CN109317166A - A kind of preparation method and application of Three-element composite photocatalyst - Google Patents
A kind of preparation method and application of Three-element composite photocatalyst Download PDFInfo
- Publication number
- CN109317166A CN109317166A CN201811324347.6A CN201811324347A CN109317166A CN 109317166 A CN109317166 A CN 109317166A CN 201811324347 A CN201811324347 A CN 201811324347A CN 109317166 A CN109317166 A CN 109317166A
- Authority
- CN
- China
- Prior art keywords
- cain
- preparation
- rgo
- composite photocatalyst
- element composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 17
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000137 annealing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000012071 phase Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000006731 degradation reaction Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 19
- 230000015556 catabolic process Effects 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 239000000356 contaminant Substances 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 229910021592 Copper(II) chloride Inorganic materials 0.000 claims description 2
- 229910002621 H2PtCl6 Inorganic materials 0.000 claims description 2
- 229910004042 HAuCl4 Inorganic materials 0.000 claims description 2
- 229910020437 K2PtCl6 Inorganic materials 0.000 claims description 2
- 229910019891 RuCl3 Inorganic materials 0.000 claims description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 2
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(II) nitrate Inorganic materials [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(III) nitrate Inorganic materials [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims 1
- 238000007146 photocatalysis Methods 0.000 abstract description 32
- 230000001699 photocatalysis Effects 0.000 abstract description 30
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 230000004913 activation Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 16
- 229960000907 methylthioninium chloride Drugs 0.000 description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 6
- 238000002441 X-ray diffraction Methods 0.000 description 5
- 239000003426 co-catalyst Substances 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 238000006722 reduction reaction Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 230000006798 recombination Effects 0.000 description 4
- 238000005215 recombination Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002082 metal nanoparticle Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- -1 calcium indium sulphur Chemical compound 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/043—Sulfides with iron group metals or platinum group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1076—Copper or zinc-based catalysts
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of preparation method and application of Three-element composite photocatalyst, preparation method is that metal M and redox graphene RGO are carried on CaIn by low temperature thermal reduction2S4In cubic phase, M-RGO-CaIn is then obtained by low temperature thermal annealing2S4Composite photo-catalyst.The collaboration of metal M and redox graphene RGO load, and the specific surface area of composite photo-catalyst not only can be improved, reduce the activation energy of light-catalyzed reaction, moreover it is possible to effectively facilitate the separation of photo-generated carrier, therefore can significantly increase cubic phase CaIn2S4Photocatalysis performance.Preparation method provided by the present invention, simple process, reaction condition is mild, and yield is high.Preparation process according to the present invention is simple, and reaction condition is mild, and yield is high, macroscopical can prepare, and is a kind of environmental-friendly preparation method, M-RGO-CaIn obtained2S4Composite photo-catalyst shows good photocatalysis performance under visible light, is a kind of NEW TYPE OF COMPOSITE catalysis material system with potential using value.
Description
Technical field
The invention belongs to the preparation method of photocatalysis technology field more particularly to a kind of Three-element composite photocatalyst and answer
With.
Background technique
Since Fujishima and Honda in 1972 has found the photodissociation of water on n-type semiconductor TiO2 Single Crystalline Electrodes
Since phenomenon, light-catalyzed reaction has obtained universal concern in terms of environmental improvement and energy development.It can be by low-density
Solar energy is converted into highdensity chemical energy, electric energy, while can directly utilize the decomposing water with solar energy hydrogen manufacturing of low-density, degradation
With the various organic pollutants or even reducing heavy metal ion in mineralising water and air.The technology have at room temperature reaction, can
Directly using solar energy, it is without secondary pollution the advantages that, for fundamentally solving the problems, such as that environmental pollution and energy shortage have not
Appreciable meaning.
In numerous semiconductor light-catalysts, TiO2 With its chemical stability is good, photocatalytic activity is high, nontoxic, cost
Low advantage and the favor by people are current most popular catalysis materials.But TiO2 Band structure determine
In extension process there is limitations for photocatalysis technology.TiO2Greater band gap (such as anatase structured 3.2 eV), spectrum
Response range is relatively narrow, can only using the ultraviolet light in solar energy less than 5%, and cannot absorb accounted in solar energy 43% visible light.
Therefore it needs to TiO2 Research is modified to widen its light abstraction width, or finds novel visible light catalyst.
Sulfide can be regarded as the result that the oxygen atom in lattice is replaced by sulphur atom.The 3p orbital energy level ratio O of S
2p orbital energy level it is high, sulfide should have relatively narrow forbidden bandwidth than corresponding oxide, can be absorbed more
Sunlight, therefore be expected to show stronger photocatalytic activity.In our previous works, reported for the first time with cubic phase knot
The calcium indium sulphur CaIn of structure2S4Photochemical catalyst (International Journal of Hydrogen Energy, 2013,38,
13153) visible light (1.68 ~ 1.84 eV), can not only be fully absorbed, and it is living to show good photocatalysis under visible light
Property and stability.But for one-component CaIn2S4For, photocatalytic activity under visible light is lower, and reason is light
According to the photo-generated carrier recombination probability with higher of lower generation.It is vertical to improve therefore, it is necessary to be designed by further structure
Square phase CaIn2S4Photocatalysis performance.
Summary of the invention
Object of the present invention is to be directed to cubic phase CaIn2S4The low problem of photocatalysis performance provides a kind of based on cubic phase
CaIn2S4Three-element composite photocatalyst preparation method and its application in photocatalysis field.The Three-element composite photocatalyst
The advantages of interfacial structure between component can be given full play to, effectively realizes the separation of photo-generated carrier, thus efficiently enhancing cube
Phase CaIn2S4Photocatalysis performance, including hydrogen production by water decomposition, liquid phase degradating organic dye and gas phase degrade volatility organic contamination
Object.
The present invention is achieved by the following technical solutions:
Metal M and redox graphene RGO are carried on cube by a kind of Three-element composite photocatalyst by low temperature thermal reduction
Phase CaIn2S4In, M-RGO-CaIn is then obtained by low temperature thermal annealing2S4Composite photo-catalyst, and be applied to decompose water system
Hydrogen, liquid phase degradating organic dye and gas phase degradation volatile organic contaminant；
Wherein metal M is IB, IIB and group VIII metal in the periodic table of elements.
The preparation method of the Three-element composite photocatalyst the following steps are included:
(1) cubic phase CaIn is prepared using hydro-thermal method first2S4, and graphene oxide is prepared using Hummers method, then by one
Quantitative CaIn2S4Powder, GO powder and metal M presoma are mixed with deionized water, and stirring forms uniform suspension；
(2) suspension for obtaining step 1 is placed in stirring in water bath heater, is stirred to react at a certain temperature, mistake
Filter, washing, drying, obtain powder body material；
(3) powder body material for obtaining step 2 is placed in tube furnace, and low-temperature annealing is carried out under conditions of being passed through inert gas,
Finally obtain M-RGO-CaIn2S4Tri compound catalysis material.
Metal M is IB, IIB and VIII group element in the periodic table of elements in the step 1.
Preferably, any one of metal M in Au, Ag, Pt, Pd, Cu, Rh in the step 1.
Metal M presoma includes chloride, nitrate and other water soluble salts in the step 1.
Preferably, metal M presoma is selected from HAuCl in the step 14、H2PtCl6、K2PtCl6、CuCl2、RuCl3、Fe
(NO3)3、Ni(NO3)2、AgNO3、Pd(NO3)2、Cu(CH3COO)2。
It is 0.5-10 wt% that the load capacity of metal M, which is the load capacity of 0.1-10 wt%, GO or RGO, in the step 1.
Reaction temperature is 60-200 DEG C in the step 2, and the reaction time is 0.5-10 hours.
Annealing temperature is 100-400 DEG C in the step 3, and annealing time is 0.5-6 hours.
Preferably, inert gas is nitrogen or argon gas in the step 3.
The present invention also provides described in above-mentioned technical proposal metal M and redox graphene RGO load cubic phase altogether
CaIn2S4Application of the Three-element composite photocatalyst in photocatalysis field, including hydrogen production by water decomposition, liquid phase degradating organic dye
With gas phase degradation volatile organic contaminant.
The principle of the present invention are as follows:
The present invention provides one kind to load cubic phase CaIn by metal M and redox graphene RGO altogether2S4Tri compound light
Catalyst M-RGO-CaIn2S4, by metal M, redox graphene RGO and CaIn2S4It constitutes, wherein RGO and CaIn2S4It is mixed
It closes, metal M is carried on RGO or CaIn2S4Surface, for M-RGO-CaIn2S4Composite photocatalyst material, the load of RGO can be with
The absorption to photocatalysis target product can be enhanced in the specific surface area for significantly improving composite photo-catalyst, and provides more light
Catalysis reaction adsorption potential and active sites；The load of metal M can reduce the activation energy of light-catalyzed reaction, especially photo catalytic reduction
The activation energy of reaction improves the rate of light-catalyzed reaction；The collaboration of metal M and RGO load, and can further promote photoproduction current-carrying
Son is from CaIn2S4It migrates to metal M or RGO, improves the service life of photo-generated carrier, reduce the recombination probability of photo-generated carrier.Cause
This, the load of metal M and RGO can substantially enhance cubic phase CaIn2S4Photocatalysis performance under visible light, including decompose water
Hydrogen manufacturing, liquid phase degradating organic dye and gas phase degradation volatile organic contaminant, to effectively make up single cubic phase CaIn2S4
The relatively low deficiency of photochemical catalyst photocatalysis performance.
The invention has the advantages that
1, preparation method provided by the present invention is very simple, passes through thermal reduction first for graphene oxide GO and metal front
Body is reduced into redox graphene RGO and metal M nano particles, then carries out after annealing at a lower temperature, reacted
Acid, alkalinity, toxicity or corrosive chemical reagent are not used in journey, operation is simple, and reaction condition is mild, and yield is high,
It macroscopical can prepare, be a kind of environmental-friendly preparation method.
2, the present invention is by being reduced into metal nano for metal precursor using thermal reduction method at a lower temperature
Grain, can effectively prevent the undue growth and reunion of metal nanoparticle, the metal nanoparticle of low dimensional can provide more
Big specific surface area and more surface reaction activity positions, therefore be conducive to the enhancing of photocatalysis performance.
3, the present invention is by loading to cubic phase CaIn for metal M and redox graphene RGO collaboration2S4In, Ke Yiyou
Effect ground reduces the recombination probability of photo-generated carrier, therefore can significantly increase cubic phase CaIn2S4Photocatalysis performance, including decompose
Water hydrogen manufacturing, liquid phase degradating organic dye and gas phase degradation volatile organic contaminant, and there is good photocatalysis stability, it is
One kind has the NEW TYPE OF COMPOSITE catalysis material system of potential using value.
Detailed description of the invention
Fig. 1 show the CaIn of the preparation of embodiment 12S4、Ag-CaIn2S4、RGO-CaIn2S4And Ag-RGO-CaIn2S4X
X ray diffraction spectrogram.
Fig. 2 show the CaIn of the preparation of embodiment 12S4、RGO-CaIn2S4、Ag-CaIn2S4And Ag-RGO-CaIn2S4Can
The Activity Results figure of light-exposed lower photocatalytic degradation methylene blue.
Fig. 3 show the Au-RGO-CaIn of the preparation of embodiment 22S4Transmission electron microscope picture.
Fig. 4 show the CaIn of the preparation of embodiment 22S4、RGO-CaIn2S4、Au-CaIn2S4And Au-RGO-CaIn2S4Can
The Activity Results of light-exposed lower photocatalysis hydrogen production.
Fig. 5 show the CaIn of the preparation of embodiment 32S4、RGO-CaIn2S4、Cu-CaIn2S4And Cu-RGO-CaIn2S4Can
The Activity Results figure of light-exposed lower Photocatalytic Degradation of Toluene.
Specific embodiment
Below in conjunction with specific example, technical scheme is described further:
Embodiment 1
The GO powder for weighing 0.05 gram is added in the beaker containing 100 ml deionized waters, and ultrasound 1 hour makes GO powder equal
It is even, be steadily scattered in deionized water.
1 gram of CaIn is added into above-mentioned suspension2S4Powder and 800 microlitres of silver nitrate AgNO3Aqueous solution (concentration 40
Grams per liter), it then places the beaker in 70 degree of stirring in water bath device, stirs 6 hours.After reaction, it is filtered, washed, dries.
Powder after above-mentioned drying is placed in 200 DEG C of nitrogen tube furnace and is annealed 2 hours, to obtain Ag-RGO-
CaIn2S4Composite photo-catalyst, wherein the content of Ag is 2 wt%, and the content of RGO is 5 wt%.
To Ag-RGO-CaIn2S4Crystal structure carry out X-ray diffraction test, and combine CaIn2S4、RGO-CaIn2S4With
Ag-CaIn2S4It compares, structure is as shown in Figure 1.In Fig. 1, A is cubic phase CaIn2S4X-ray diffraction spectrogram, B is
RGO-CaIn2S4X-ray diffraction spectrogram, C Ag-CaIn2S4X-ray diffraction spectrogram, D Ag-RGO-CaIn2S4X penetrate
Line diffraction spectrogram.For spectrogram A, synthesized cubic phase CaIn2S4It is completely the same with standard card #310272.For spectrum
For scheming B, C and D, there is no change cubic phase CaIn for the load of metal Ag and/or redox graphene RGO2S4Structure,
The diffraction maximum of metal Ag and/or redox graphene RGO are not observed simultaneously yet.
The performance of above-mentioned photochemical catalyst liquid phase degradating organic dye is assessed with photocatalytic degradation methylene blue.Light source is
(Beijing Bo Feilai Science and Technology Ltd., PLS-SXE300 type, real output are 47 watts to 300 watts of xenon lamps, it is seen that light output function
Rate is 19.6 watts), by external semi-transparent semi-reflecting lens and long pass filter (wavelength >=420 nanometer), to guarantee light-catalyzed reaction
Exciting light be visible light.
Specific photocatalysis experimental procedure is as follows: (1) weighing 100 milligrams of photocatalyst powder, be added to containing 100 millis
(initial concentration of methylene blue is 20 μm of ol/L) is risen in aqueous solution of methylene blue photo catalysis reactor, in the condition of no light
Lower stirring 30 minutes guarantees that methylene blue reaches saturation absorption in catalyst surface；(2) start light-catalyzed reaction, and open anti-
The recirculation water on the outside of device is answered, the temperature of solution is room temperature during guarantee light-catalyzed reaction；(3) it takes at regular intervals primary
Sample calculates methylene blue according to langbobier law then using the absorption intensity at 665 nm of spectrophotometer measurement
Concentration, result as shown in Fig. 2, wherein A indicate no light have absorption of the catalyst to methylene blue under conditions of photochemical catalyst,
B indicates the light degradation of methylene blue under conditions of no photochemical catalyst has illumination, and C indicates one-component CaIn2S4To methylene blue
Degradation, D indicate Ag-CaIn2S4Degradation to methylene blue, E indicate RGO-CaIn2S4Degradation to methylene blue, F indicate Ag-
RGO-CaIn2S4Degradation to methylene blue.It can be seen from the figure that photochemical catalyst is very weak to the adsorption effect of methylene blue,
The only about concentration decline less than 5% in 90 minutes.Under conditions of having illumination without catalyst, there are direct light for methylene blue
Degradation effect has 32% concentration decline as curveb after 90 minutes.Under conditions of thering is illumination to have catalyst, methylene
Blue degradation rate is obviously improved.For CaIn2S4、Ag-CaIn2S4、RGO-CaIn2S4And Ag-RGO-CaIn2S4For, 90 points
The degradation rate of clock is respectively 63.8%, 75.8%, 84.5% and 99%.The result shows that promoter metal Ag or oxygen reduction fossil
Cubic phase CaIn can be improved in the load of black alkene RGO2S4The performance of degradation of methylene blue under visible light, and metal Ag and reduction
The collaboration load of graphite oxide RGO can further limit enhancing cubic phase CaIn2S4Photocatalysis performance.
Embodiment 2
The GO powder for weighing 0.01 gram is added in the beaker containing 120 ml deionized waters, and ultrasound 45 minutes allows GO powder
Uniformly, it is steadily scattered in deionized water.
1 gram of CaIn is added into above-mentioned suspension2S4Powder and 216 microlitres of gold chloride HAuCl4Aqueous solution (concentration 40
Grams per liter), it then places the beaker in 80 degree of stirring in water bath device, stirs 5 hours.After reaction, it is filtered, washed, dries.
Powder after above-mentioned drying is placed in 150 DEG C of argon gas tube furnace and is annealed 3 hours, to obtain Au-RGO-
CaIn2S4Composite photo-catalyst, wherein the content of Au is 0.5 wt%, and the content of RGO is 1 wt%.
To obtained Au-RGO-CaIn2S4The micro-structure of composite photo-catalyst carries out transmission electron microscope analysis, result such as Fig. 3
It is shown.Cubic phase CaIn2S4Structure in the form of sheets, redox graphene RGO are in two-dimensional layered structure, cubic phase CaIn2S4With also
Former graphene oxide RGO is coated togather mutually；Metal Au is in Nanoparticulate structure, and average grain diameter is 4-5 nanometers, is carried on
Cubic phase CaIn2S4Or the surface redox graphene RGO.Metal Au, RGO and CaIn2S4Between interface can effectively promote
Into light induced electron from CaIn2S4Conduction band migrate the surface to Au or RGO, thus the recombination probability for photo-generated carrier of degrading, enhancing
The performance of photochemical catalyst.
The performance of above-mentioned photochemical catalyst is assessed with photocatalytic hydrogen production by water decomposition.Light source is that 300 watts of xenon lamps (moor luxuriant and rich with fragrance Lay in Beijing
Science and Technology Ltd., PLS-SXE300 type, real output are 47 watts, it is seen that optical output power is 19.6 watts), by external
Semi-transparent semi-reflecting lens and long pass filter (wavelength >=420 nanometer), to guarantee that the exciting light of light-catalyzed reaction is visible light.
Specific photocatalysis experimental procedure is as follows: (1) weighing 10 milligrams of photocatalyst powder, be added to containing 100 millis
In the photo catalysis reactor for rising deionized water, 3.15 grams of sodium sulfite Na are added2SO3With 6 grams of vulcanized sodium Na2S·9H2O is stirred
It mixes uniformly；(2) photo catalysis reactor is sealed, argon gas is passed through, to drain remaining air in photo catalysis reactor, then starts light
Catalyzing manufacturing of hydrogen reaction；(3) a sample is taken every a hour, (GC 1690C knows in section, molecular sieve filled using gas chromatograph
Column, argon gas are carrier gas) detection hydrogen output, and the average hydrogen-producing speed of calculating 8 hours, result are as shown in Figure 4.
Fig. 4 is CaIn2S4、Au-CaIn2S4、RGO-CaIn2S4And Au-RGO-CaIn2S4In visible light photocatalysis hydrogen manufacturing
Activity Results figure.Firstly, for cubic phase CaIn2S4For, hydrogen-producing speed under visible light is 19.6 μm of ol/h.For
Au-CaIn2S4、RGO-CaIn2S4And Au-RGO-CaIn2S4For, it is seen that the hydrogen-producing speed under light is respectively 61.4,39.4 and
461.2 μmol/h.The result shows that cubic phase CaIn can be enhanced in the load of single co-catalyst Au or RGO2S4Photocatalysis hydrogen production
Performance, and the collaboration of double co-catalyst Au and RGO load can greatly improve cubic phase CaIn2S4The performance of photocatalysis hydrogen production.
For Au-RGO-CaIn2S4For, hydrogen-producing speed is CaIn respectively2S4、Au-CaIn2S4And RGO-CaIn2S423.5,7.5
With 11.7 times.
Embodiment 3
The GO powder for weighing 0.05 gram is added in the beaker containing 80 ml deionized waters, and ultrasound 30 minutes makes GO powder equal
It is even, be steadily scattered in deionized water.
0.5 gram of CaIn is added into above-mentioned suspension2S4Powder and 1.84 milliliters of copper nitrate Cu (NO3)2Aqueous solution is (dense
Degree is 40 grams per liters), it then places the beaker in 100 degree of stirring in water bath device, stirs 4 hours.After reaction, it filters, wash
It washs, dry.
Powder after above-mentioned drying is placed in 250 DEG C of helium tube furnace and is annealed 1.5 hours, to obtain Cu-RGO-
CaIn2S4Composite photo-catalyst, wherein the content of Cu is 5 wt%, and the content of RGO is 10 wt%.
The performance of above-mentioned photochemical catalyst photocatalysis degradation organic contaminant is assessed with Photocatalytic Degradation of Toluene.Light source is
(Beijing Bo Feilai Science and Technology Ltd., PLS-SXE300 type, real output are 47 watts to 300 watts of xenon lamps, it is seen that light output function
Rate is 19.6 watts), by external semi-transparent semi-reflecting lens and long pass filter (wavelength >=420 nanometer), to guarantee light-catalyzed reaction
Exciting light be visible light.
Specific photocatalysis experimental procedure is as follows: (1) 150 milligrams of photocatalyst powder is weighed, under the action of ultrasound
It is evenly dispersed in the culture dish containing 3 grams of dehydrated alcohol (5 centimetres of diameter), is then baked at 60 DEG C again；
(2) above-mentioned culture dish is placed in photo catalysis reactor, seals reactor at normal temperatures and pressures.Before reaction, with 60 ml/mins
The high pure air purge of clock flow, to exclude the CO in reactor and gas path pipe2, the gases such as toluene.Sealing acquisition
Window, holding system pressure are normal pressure, and wherein oxygen content is 22%, relative humidity 70%；(3) hand injection certain volume
Toluene gas in reactor, wait 30 minutes, mix with air toluene gas in reactor uniformly, reach one stablize it is dense
After degree, toluene at this time is measured by gas chromatograph (GC 1690C knows in section, and capillary column, nitrogen is carrier gas, fid detector)
Initial concentration is 400 ppmV；(4) start light-catalyzed reaction, and start timing.After 5 hours, certain body is acquired out of reactor
Long-pending gas, by gas chromatograph, (GC 1690C, capillary column know in section, and nitrogen is carrier gas, fid detector, methane conversion
Furnace) on-line analysis is carried out, analyze the content of toluene during light-catalyzed reaction.
Fig. 5 is CaIn2S4、Cu-CaIn2S4、RGO-CaIn2S4And Cu-RGO-CaIn2S4In Photocatalytic Activity for Degradation first
The Activity Results figure of benzene.Firstly, for cubic phase CaIn2S4For, the degradation rate of the 5 hours toluene to 400 ppmV is 19%.
For Au-CaIn2S4、RGO-CaIn2S4And Au-RGO-CaIn2S4For, it is seen that light is respectively 34% to the degradation rate of toluene,
64% and 97%.Consistent with embodiment 1 and embodiment 2, cubic phase can be enhanced in the load of single co-catalyst Cu or RGO
CaIn2S4The performance of Photocatalytic Degradation of Toluene, and the collaboration of double co-catalyst Cu and RGO load can greatly improve cubic phase
CaIn2S4The performance of Photocatalytic Degradation of Toluene.Embodiment 1 and embodiment 3 is different with embodiment 2 is single co-catalyst
The load of RGO is more advantageous to cubic phase CaIn2S4Photocatalysis degradation organic contaminant (including liquid phase degradation of dye and gas phase degradation
Volatile organic contaminant), and single promoter metal M is more advantageous to cubic phase CaIn2S4The performance of photocatalysis hydrogen production.
Claims (10)
1. a kind of Three-element composite photocatalyst, which is characterized in that by low temperature thermal reduction by metal M and redox graphene
RGO is carried on cubic phase CaIn2S4In, M-RGO-CaIn is then obtained by low temperature thermal annealing2S4Composite photo-catalyst, and answer
For hydrogen production by water decomposition, liquid phase degradating organic dye and gas phase degradation volatile organic contaminant；
Wherein metal M is IB, IIB and group VIII metal in the periodic table of elements.
2. Three-element composite photocatalyst according to claim 1, which is characterized in that the preparation method packet of the photochemical catalyst
Include following steps:
(1) cubic phase CaIn is prepared using hydro-thermal method first2S4, and graphene oxide is prepared using Hummers method, then by one
Quantitative CaIn2S4Powder, GO powder and metal M presoma are mixed with deionized water, and stirring forms uniform suspension；
(2) suspension for obtaining step 1 is placed in stirring in water bath heater, is stirred to react at a certain temperature, mistake
Filter, washing, drying, obtain powder body material；
(3) powder body material for obtaining step 2 is placed in tube furnace, and low-temperature annealing is carried out under conditions of being passed through inert gas,
Finally obtain M-RGO-CaIn2S4Tri compound catalysis material.
3. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that golden in the step 1
Belonging to M is IB, IIB and VIII group element in the periodic table of elements.
4. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that golden in the step 1
Belong to any one of M in Au, Ag, Pt, Pd, Cu, Rh.
5. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that golden in the step 1
Belonging to M presoma includes chloride, nitrate and other water soluble salts.
6. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that golden in the step 1
Belong to M presoma and is selected from HAuCl4、H2PtCl6、K2PtCl6、CuCl2、RuCl3、Fe(NO3)3、Ni(NO3)2、AgNO3、Pd(NO3)2、
Cu(CH3COO)2。
7. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that golden in the step 1
The load capacity of category M is that the load capacity of 0.1-10 wt%, GO or RGO are 0.5-10 wt%.
8. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that anti-in the step 2
Answering temperature is 60-200 DEG C, and the reaction time is 0.5-10 hours.
9. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that moved back in the step 3
Fiery temperature is 100-400 DEG C, and annealing time is 0.5-6 hours.
10. the preparation method of Three-element composite photocatalyst according to claim 2, which is characterized in that lazy in the step 3
Property gas be nitrogen or argon gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324347.6A CN109317166B (en) | 2018-11-08 | 2018-11-08 | Preparation method and application of ternary composite photocatalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324347.6A CN109317166B (en) | 2018-11-08 | 2018-11-08 | Preparation method and application of ternary composite photocatalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109317166A true CN109317166A (en) | 2019-02-12 |
| CN109317166B CN109317166B (en) | 2022-01-11 |
Family
ID=65260658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811324347.6A Active CN109317166B (en) | 2018-11-08 | 2018-11-08 | Preparation method and application of ternary composite photocatalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109317166B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169791A (en) * | 2020-10-22 | 2021-01-05 | 西安理工大学 | Preparation method of lamellar three-phase composite photocatalytic material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888849A (en) * | 2015-04-14 | 2015-09-09 | 中国石油大学(华东) | C5/C6 normal paraffin isomerization catalyst preparation and application thereof |
| CN107175115A (en) * | 2017-06-26 | 2017-09-19 | 中国科学院合肥物质科学研究院 | A kind of preparation method and application of space charge divergence type composite photo-catalyst |
| CN107899600A (en) * | 2017-11-23 | 2018-04-13 | 江苏理工学院 | A kind of Cu2‑xS/g‑C3N4Heterojunction photocatalyst and preparation method thereof |
| CN108176408A (en) * | 2017-12-18 | 2018-06-19 | 江苏大学 | Au@CaIn2S4/ HNTs composite photo-catalysts and purposes |
-
2018
- 2018-11-08 CN CN201811324347.6A patent/CN109317166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888849A (en) * | 2015-04-14 | 2015-09-09 | 中国石油大学(华东) | C5/C6 normal paraffin isomerization catalyst preparation and application thereof |
| CN107175115A (en) * | 2017-06-26 | 2017-09-19 | 中国科学院合肥物质科学研究院 | A kind of preparation method and application of space charge divergence type composite photo-catalyst |
| CN107899600A (en) * | 2017-11-23 | 2018-04-13 | 江苏理工学院 | A kind of Cu2‑xS/g‑C3N4Heterojunction photocatalyst and preparation method thereof |
| CN108176408A (en) * | 2017-12-18 | 2018-06-19 | 江苏大学 | Au@CaIn2S4/ HNTs composite photo-catalysts and purposes |
Non-Patent Citations (2)
| Title |
|---|
| JIANJUN DING等: "Hydrothermal Synthesis of CaIn2S4‑Reduced Graphene Oxide Nanocomposites with Increased Photocatalytic Performance", 《APPLIED MATERIALS & INTERFACES》 * |
| JIE LI等: "Novel Au/CaIn2S4 nanocomposites with plasmon-enhanced photocatalytic performance under visible light irradiation", 《APPLIED SURFACE SCIENCE》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169791A (en) * | 2020-10-22 | 2021-01-05 | 西安理工大学 | Preparation method of lamellar three-phase composite photocatalytic material |
| CN112169791B (en) * | 2020-10-22 | 2022-09-02 | 西安理工大学 | Preparation method of lamellar three-phase composite photocatalytic material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109317166B (en) | 2022-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ismael | The photocatalytic performance of the ZnO/g-C3N4 composite photocatalyst toward degradation of organic pollutants and its inactivity toward hydrogen evolution: the influence of light irradiation and charge transfer | |
| Jin et al. | Two dimensional Co3O4/g-C3N4 Z-scheme heterojunction: Mechanism insight into enhanced peroxymonosulfate-mediated visible light photocatalytic performance | |
| Yang et al. | Highly efficient photocatalytic hydrogen evolution and simultaneous formaldehyde degradation over Z-scheme ZnIn2S4-NiO/BiVO4 hierarchical heterojunction under visible light irradiation | |
| Li et al. | Encapsulating CuO quantum dots in MIL-125 (Ti) coupled with g-C3N4 for efficient photocatalytic CO2 reduction | |
| Ithisuphalap et al. | Photocatalysis and photoelectrocatalysis methods of nitrogen reduction for sustainable ammonia synthesis | |
| Zhang et al. | Visible-light-induced charge transfer pathway and photocatalysis mechanism on Bi semimetal@ defective BiOBr hierarchical microspheres | |
| Li et al. | Fe-B alloy coupled with Fe clusters as an efficient cocatalyst for photocatalytic hydrogen evolution | |
| Kawawaki et al. | Controlled colloidal metal nanoparticles and nanoclusters: recent applications as cocatalysts for improving photocatalytic water-splitting activity | |
| Raza et al. | Novel Cu2ZnSnS4/Pt/g-C3N4 heterojunction photocatalyst with straddling band configuration for enhanced solar to fuel conversion | |
| Wang et al. | Fabrication of 1D/2D BiPO4/g-C3N4 heterostructured photocatalyst with enhanced photocatalytic efficiency for NO removal | |
| Mansingh et al. | Enhanced photocatalytic activity of nanostructured Fe doped CeO2 for hydrogen production under visible light irradiation | |
| Lu et al. | Enhanced photocatalytic activity under visible light by the synergistic effects of plasmonics and Ti3+-doping at the Ag/TiO2-x heterojunction | |
| Ge et al. | In situ synthesis of cobalt–phosphate (Co–Pi) modified g-C3N4 photocatalysts with enhanced photocatalytic activities | |
| Liu et al. | Synthesis of direct Z-Scheme Bi3NbO7/BiOCl photocatalysts with enhanced activity for CIP degradation and Cr (VI) reduction under visible light irradiation | |
| Chen et al. | Bromo-and iodo-bridged building units in metal-organic frameworks for enhanced carrier transport and CO2 photoreduction by water vapor | |
| Nguyen et al. | Highly efficient nanostructured metal-decorated hybrid semiconductors for solar conversion of CO2 with almost complete CO selectivity | |
| Wang et al. | Preparation of CdS-P25/ZIF-67 composite material and its photocatalytic CO2 reduction performance | |
| Devi et al. | Visible light induced selective photocatalytic reduction of CO2 to CH4 on In2O3-rGO nanocomposites | |
| CN108404934A (en) | A kind of preparation and application of the hydridization titanium dioxide optical catalyst of Z-type structure | |
| Yang et al. | Pyramidal CdS Polyhedron Modified with NiAl LDH to Form S‐scheme Heterojunction for Efficient Photocatalytic Hydrogen Evolution | |
| Hara et al. | Photocatalytic hydrogen and oxygen formation over SiO2-supported RuS2 in the presence of sacrificial donor and acceptor | |
| CN109225309A (en) | A kind of preparation method and application of the composite photo-catalyst based on graphite phase carbon nitride | |
| Duan et al. | Interface engineering of ZnO/In2O3 Z-scheme heterojunction with yolk-shell structure for efficient photocatalytic hydrogen evolution | |
| Zhou et al. | Efficient NO removal and photocatalysis mechanism over Bi-metal@ Bi2O2 [BO2 (OH)] with oxygen vacancies | |
| Bu et al. | Fabrication of novel Z-scheme LaCoO3/activated biochar/Ag3PO4 heterojunctions for intensifying visible-light-catalytic degradation of bisphenol A |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |