CN109046400A - A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified - Google Patents
A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified Download PDFInfo
- Publication number
- CN109046400A CN109046400A CN201810813532.5A CN201810813532A CN109046400A CN 109046400 A CN109046400 A CN 109046400A CN 201810813532 A CN201810813532 A CN 201810813532A CN 109046400 A CN109046400 A CN 109046400A
- Authority
- CN
- China
- Prior art keywords
- bioi
- microballoon
- solution
- preparation process
- reeded
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000010970 precious metal Substances 0.000 title claims abstract description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000000463 material Substances 0.000 claims abstract description 40
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 11
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 10
- 235000019445 benzyl alcohol Nutrition 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000003708 ampul Substances 0.000 claims abstract description 8
- 239000010453 quartz Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 238000001338 self-assembly Methods 0.000 claims abstract description 7
- 239000002243 precursor Substances 0.000 claims abstract description 6
- CBACFHTXHGHTMH-UHFFFAOYSA-N 2-piperidin-1-ylethyl 2-phenyl-2-piperidin-1-ylacetate;dihydrochloride Chemical compound Cl.Cl.C1CCCCN1C(C=1C=CC=CC=1)C(=O)OCCN1CCCCC1 CBACFHTXHGHTMH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000002045 lasting effect Effects 0.000 claims abstract description 5
- 239000000975 dye Substances 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 3
- 238000006731 degradation reaction Methods 0.000 claims description 17
- 230000001699 photocatalysis Effects 0.000 claims description 17
- 230000015556 catabolic process Effects 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- UOZDOLIXBYLRAC-UHFFFAOYSA-L [2-hydroxy-3-(trimethylazaniumyl)propyl]-trimethylazanium;diiodide Chemical compound [I-].[I-].C[N+](C)(C)CC(O)C[N+](C)(C)C UOZDOLIXBYLRAC-UHFFFAOYSA-L 0.000 claims description 12
- 229910052797 bismuth Inorganic materials 0.000 claims description 12
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 12
- 238000007146 photocatalysis Methods 0.000 claims description 11
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 7
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 5
- 229920003081 Povidone K 30 Polymers 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 229960004756 ethanol Drugs 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 2
- 229910000014 Bismuth subcarbonate Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- FOSZYDNAURUMOT-UHFFFAOYSA-J azane;platinum(4+);tetrachloride Chemical compound N.N.N.N.[Cl-].[Cl-].[Cl-].[Cl-].[Pt+4] FOSZYDNAURUMOT-UHFFFAOYSA-J 0.000 claims description 2
- 229910000380 bismuth sulfate Inorganic materials 0.000 claims description 2
- BEQZMQXCOWIHRY-UHFFFAOYSA-H dibismuth;trisulfate Chemical compound [Bi+3].[Bi+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BEQZMQXCOWIHRY-UHFFFAOYSA-H 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- LGPJVNLAZILZGQ-UHFFFAOYSA-M hexadecyl(trimethyl)azanium;iodide Chemical compound [I-].CCCCCCCCCCCCCCCC[N+](C)(C)C LGPJVNLAZILZGQ-UHFFFAOYSA-M 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 235000009518 sodium iodide Nutrition 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 25
- 239000011259 mixed solution Substances 0.000 abstract description 4
- 238000013032 photocatalytic reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 8
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 229940043267 rhodamine b Drugs 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000006552 photochemical reaction Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- XREPTGNZZKNFQZ-UHFFFAOYSA-M 1-butyl-3-methylimidazolium iodide Chemical compound [I-].CCCCN1C=C[N+](C)=C1 XREPTGNZZKNFQZ-UHFFFAOYSA-M 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
- 241000446313 Lamella Species 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-M iodate Chemical compound [O-]I(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-M 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
- 229940012189 methyl orange Drugs 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000002256 photodeposition Methods 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010189 synthetic method Methods 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
- B01J27/06—Halogens; Compounds thereof
- B01J27/128—Halogens; Compounds thereof with iron group metals or platinum group metals
- B01J27/13—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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
- C07C45/38—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a primary hydroxyl group
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of modified BiOI photochemical catalysts of precious metals pt, the BiOI is that the center being self-assembly of by two-dimensional nano piece has the bismuth oxyiodide microballoon of groove-like, the Pt is deposited on surface and the inside grooves of reeded BiOI microballoon, and the content of the Pt is 0.5~5wt%.Preparation are as follows: at 26~28 DEG C, will have reeded BiOI microballoon catalysis material and be placed in quartz ampoule, organic solution is added and is made into suspension, is passed through 10~60min of gas to remove the dissolved oxygen in solution；It is dark, be vigorously stirred and lower platinum precursor solution be added dropwise in suspension；Under lasting stirring, mixed solution is placed in 1~6h of irradiation under mercury lamp；The solid was filtered product carries out after sufficiently washing in 50~90 DEG C product, dry 8~for 24 hours.Pt/BiOI heterojunction structure catalysis material of the invention has porosity height, large specific surface area, and the feature high to sun light utilization ratio, can be used as selective oxidation reaction of the catalyst applied to organic dyestuff Visible Light Induced Photocatalytic reaction and benzyl alcohol.
Description
Technical field
The invention belongs to the modified BiOI photochemical catalysts in visible-light photocatalysis material field more particularly to a kind of precious metals pt
And its preparation and application.
Background technique
BiOI indirect band-gap semiconductor has unique internal electric field and suitable forbidden bandwidth (1.7~1.92eV),
There is good response to the light of 690nm, be a kind of emerging visible-light photocatalysis material.Research shows that the partial size of BiOI, shape
Looks and structure have significant impact to its photocatalysis performance, therefore the preparation method and application research of BiOI causes domestic foreign object
The great interest of reason, chemistry and material science worker.Researchers are made every effort to by the synthetic method of improvement BiOI in pattern knot
Structure, doping vario-property and many aspects such as compound inquire into the method and mechanism of enhancing BiOI photocatalytic activity.Currently, synthesis BiOI
Method it is very much.Chang etc. is with NaBiO3For bismuth source, HI is the BiOI that propiodal has synthesized sheet, under light illumination Pyrogentisinic Acid have compared with
High light degradation activity.Xia etc. uses solvent-thermal method, with ionic liquid ([Bmim] I) for propiodal, is propiodal, has synthesized nanometer
The BiOI hollow microsphere of piece self assembly, the light degradation for methyl orange are reacted.The Schottky that metal and heterojunction semiconductor generate
Potential barrier is conducive to the separation of photo-generate electron-hole pair, can restrain the compound of photo-generated carrier.Liu et al. discovery, with BiOCl nanometers
Piece is Pt/BiOCl made from carrier, not only has higher degradation rate to organic dyestuff, it was found that it can selectivity in water phase
Oxybenzene methyl alcohol generates benzaldehyde.Zhang etc. is prepared for petal-like Pt/BiOI heterojunction structure, the catalysis using photoreduction met hod
Agent is under visible light to showing higher activity in the degradation reaction of rhodamine B and phenol.
It can be the conductor photocatalysis material of excited by visible light narrow band gap that BiOI, which is a kind of, high to the utilization rate of sunlight,
But single BiOI semiconductor forbidden bandwidth is relatively narrow, and photo-generate electron-hole is easily compound, causes its photocatalytic activity lower, therefore grind
Studying carefully a kind of efficient BiOI base optic catalytic material is the emphasis studied at present.
Summary of the invention
The purpose of the present invention is to provide a kind of modified BiOI photochemical catalyst of precious metals pt and its preparation and application, with solution
Problem certainly of the existing technology.
To solve the above problems, the BiOI photochemical catalyst modified the present invention provides a kind of precious metals pt.
A kind of BiOI photochemical catalyst that precious metals pt is modified, the BiOI are self-assembly of by two-dimentional (2D) nanometer sheet
Center has the bismuth oxyiodide microballoon of groove-like, and the Pt is deposited on surface and the inside grooves of reeded BiOI microballoon, institute
The content for stating Pt is 0.5~5wt%.Effect is preferable when wherein Pt deposition is 3wt%.
A kind of BiOI photochemical catalyst preparation process that precious metals pt is modified, mainly comprises the steps that
(1) at 26~28 DEG C, will have reeded BiOI microballoon catalysis material and be placed in quartz ampoule, and be added organic
Solution is made into suspension, is passed through 10~60min of gas to remove the dissolved oxygen in solution；
(2) lower platinum precursor solution is added dropwise in suspension being protected from light, be vigorously stirred；
(3) under lasting stirring, mixed material is placed in 1~6h of irradiation under mercury lamp；
(4) the solid was filtered product, to product carry out after sufficiently washing in 50~90 DEG C dry 8~for 24 hours.
The selection of temperature and time can generate large effect to the formation of material.
Further, the preparation of the reeded BiOI microballoon catalysis material of tool mainly comprises the steps that
(S1) under conditions of 26~28 DEG C, structure directing agent PVP-K30 and bismuth source are dissolved in a solvent；Acutely stirring
Lower addition propiodal is mixed, 10~60min of stirring is continued；Mixing speed is 350~600r/min.
(S2) clear solution obtained by step (S1) is transferred in 250mL stainless steel autoclave, solvent adjusts amount of fill
It is 40%~60%, 160~180 DEG C, carries out crystallization 12~for 24 hours；
(S3) it is cooled to room temperature, the solid was filtered product, product is carried out after sufficiently washing in 50~90 DEG C, dry 8~
24h.Washing is first to be washed for several times with dehydrated alcohol, then be washed with deionized for several times.
Using the stainless steel autoclave of 250mL, the molar ratio for controlling bismuth source and propiodal is 1:1, structure directing agent
The molar ratio in PVP-K30 and bismuth source is 0.001~0.0015:1, with solvent modulation amount of fill to 40%~60%, control temperature
At 160~180 DEG C, the reaction time is 12~for 24 hours, the available reeded BiOI microballoon of tool.
Further, the platinum precursor solution is one of platinum acid chloride solution, ammonium chloroplatinite, tetraammineplatinum chloride
Or it is a variety of.
Further, the organic solution is one of methanol, ethyl alcohol, propyl alcohol or a variety of；The gas is nitrogen, argon
One of gas, helium are a variety of.
Further, the light source used in step (3) is 500W or 300W mercury lamp.
Further, step (4) washing is first to be washed for several times with dehydrated alcohol, then be washed with deionized for several times.
Further, the bismuth source include five nitric hydrate bismuths, bismuthyl carbonate, bismuth sulfate kind one or more；Institute
Stating solvent includes one or more of ethylene glycol, glycol monoethyl ether, glycerine；The propiodal includes potassium iodide, iodate
One or more of sodium, cetyl trimethyl ammonium iodide.
Further, the molar ratio of the bismuth source and propiodal is 1:1.
A kind of application of the modified BiOI photochemical catalyst of precious metals pt, the photochemical catalyst of the degradation as organic dyestuff or
Benzyl alcohol photocatalysis to selectively aoxidizes the catalyst of producing benzaldehyde reaction.
Compared with prior art, the present invention uses the center being self-assembly of by two-dimentional (2D) nanometer sheet to have groove-like
Bismuth oxyiodide microballoon is carrier, and precious metals pt is uniformly deposited on BiOI catalysis material surface by Photodeposition, is prepared
The metal-semiconductor heterojunction structure catalysis material of porosity with higher, biggish specific surface area out.Pt/BiOI is compound
Reaction substrate adsorbance can be improved in type catalysis material, provides more active sites for reaction, while can promote light induced electron-
The separation in hole, reduces the recombination probability of photo-generated carrier, to improve photocatalytic activity.The Pt/BiOI that the present invention prepares
Compound catalysis material also can be applicable in the selective oxidation formaldehyde reaction of benzyl alcohol, show that higher photocatalysis is living
Property.The present invention obtains two-dimentional (2D) nanometer sheet also using the KI of relative low price and bismuth salt as raw material, using solvent structure
The center being self-assembly of has the bismuth oxyiodide microballoon of groove-like.
Detailed description of the invention
Fig. 1 is Examples 1 and 2 fluted BiOI microballoon catalysis material, the compound photocatalysis of Pt/BiOI obtained respectively
Material X-ray powder diffraction figure；
Fig. 2 is the FE-SEM figure that fluted BiOI microballoon catalysis material is made in embodiment 1；
Fig. 3 is the FE-SEM figure that the compound catalysis material of Pt/BiOI is made in embodiment 2；
Fig. 4 is Examples 1 and 2 fluted BiOI microballoon catalysis material, the compound photocatalysis of Pt/BiOI obtained respectively
The UV-Vis DRS spectrogram of material；
Fig. 5 is Examples 1 and 2 fluted BiOI microballoon catalysis material, the compound photocatalysis of Pt/BiOI obtained respectively
The activity rating of material；
The FE-SEM that Fig. 6 is general spherical shape BiOI schemes；
Fig. 7 is that the FE-SEM of 2wt%Pt modifying common spherical shape BiOI catalysis material schemes.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment 1
A kind of preparation method of reeded BiOI catalysis material, mainly comprises the steps that (1) in 26~28 DEG C
Under the conditions of, structure directing agent PVP-K30 and bismuth source are dissolved in organic solvent；Propiodal is added with vigorous stirring, continues to stir
Mix 10~60min；Wherein bismuth source, propiodal molar ratio be 1:1；The molar ratio in PVP-K30 and bismuth source is 0.001~0.0015,
Mixing speed is 600r/min；(2) clear solution obtained by step (1) is transferred to liner is polytetrafluoroethylene (PTFE), and capacity is 250mL's
In stainless steel autoclave, it is 40~60%, 160~180 DEG C that organic solvent, which adjusts amount of fill, progress crystallization 12~
24h；(3) it is cooled to room temperature, the solid was filtered product, product progress is first washed for several times with dehydrated alcohol, then use deionized water
Washing for several times, sufficiently after washing in 50~90 DEG C dry 8~for 24 hours.Has the XRD diagram 1 of reeded BiOI microballoon catalysis material
Show the BiOI crystallinity of synthesis compared with high, partial size is big, no stray crystal exists.From the reeded BiOI microballoon catalysis material of tool
In FE-SEM Fig. 2 as can be seen that the BiOI of synthesis be self-assembly of by two-dimentional (2D) nanometer sheet, center there is groove-like
Microballoon, nanometer sheet thickness are about 10nm, have biggish specific surface area and porosity.
Embodiment 2
A kind of preparation method of the compound catalysis material of Pt/BiOI, mainly comprises the steps that
(1) at 26~28 DEG C, 0.30g is had into reeded BiOI microballoon catalysis material and is placed in quartz ampoule, first is added
Alcohol is made into suspension, is passed through 10~60min of gas to remove the dissolved oxygen in solution；
(2) in the case where being protected from light, being vigorously stirred, platinum precursor solution is added dropwise in suspension；
(3) under Hg lamp irradiation, mixed material persistently stirs 1~6h；
(4) the solid was filtered product, to product carry out after sufficiently washing in 50~90 DEG C dry 8~for 24 hours.It is prepared
The XRD spectra of BiOI and Pt/BiOI catalysis material is as shown in Figure 1,2 θ are 10.34 °, 29.4 °, 31.4 °, 45.1 ° and 55.0 °
Diffraction maximum respectively correspond (001) of BiOI, (102), (110), (104), (212) crystal face, peak shape is sharp and diffracted intensity is high,
Show purity is high, the better crystallinity degree of synthesized BiOI；It is respectively belonging to Pt's in 2 θ for the diffraction maximum at 40.2 °, 46.8 °
(111) and the characteristic peak of (200) crystal face, show that Pt is successfully loaded on BiOI microballoon.From Pt/BiOI catalysis material FE-SEM
As can be seen that the pattern of BiOI microballoon is there is no substantially changeing, but material surface is roughening, lamella after light deposition Pt in Fig. 3
Thickness is increased；In addition, SEM spectrogram shows that Pt is deposited in the surface and groove of microballoon.From Pt/BiOI catalysis material
UV-Vis DRS Fig. 4 in as can be seen that the load of Pt makes the absorbing wavelength of BiOI that red shift occur, the light for effectively widening BiOI is loud
Answer range.
Catalyst activity evaluation experimental carries out in Ocrs-V photochemical reaction work station.It disperses 10mg catalyst in
Lamp source (500W xenon lamp), which is opened, in the rhodamine B solution of 50mL 10mg/L, after dark reaction 2h carries out light degradation reaction.It reacted
Cheng Zhong, interval sampling (1mL) measure sample absorbance and calculate the degradation rate of rhodamine B.Fig. 5 is Pt/BiOI (embodiment 2)
Light degradation rhodamine B degradation rate, it is 1.44 times of 1 degradation rate of embodiment that degradation rate, which reaches 96.80%, after 6h
Embodiment 3
It weighs the reeded BiOI of 0.30g to be added in 50mL quartz ampoule, and a certain amount of ethyl alcohol is added to be made into 30mL outstanding
Supernatant liquid is passed through helium 30min to remove the dissolved oxygen in solution.It is dark, be vigorously stirred lower liquid-transfering gun and pipette ammonium chloroplatinite
Solution is added dropwise in suspension.The lasting lower mixed solution of stirring, which is placed under 300W mercury lamp, irradiates 6h.The solid was filtered product,
It is respectively washed 3 times with dehydrated alcohol and deionized water respectively, gained catalyst is placed in 80 DEG C of baking ovens, dry 12h.Resulting materials
XRD spectra is similar to Pt/BiOI in Fig. 1, and pattern is similar to Fig. 3.
Embodiment 4
It weighs the reeded BiOI of 0.30g to be added in 50mL quartz ampoule, and a certain amount of propyl alcohol is added to be made into 30mL outstanding
Supernatant liquid is passed through argon gas 30min to remove the dissolved oxygen in solution.It is dark, be vigorously stirred lower liquid-transfering gun and pipette four ammino of dichloro
Platinum solution is added dropwise in suspension.The lasting lower mixed solution of stirring, which is placed under 300W mercury lamp, irradiates 1h.The solid was filtered produces
Object is respectively washed 3 times with dehydrated alcohol and deionized water respectively, and gained catalyst is placed in 80 DEG C of baking ovens, dry 12h.Gained
Material XRD spectra is similar to Pt/BiOI in Fig. 1, and pattern is similar to Fig. 3.
Embodiment 5
With comparing for general spherical shape BiOI (not having groove), BiOI reeded in embodiment 2 is changed into common
Spherical BiOI, other conditions are constant, prepare the modification BiOI of different Pt load capacity.Fig. 6 is the FE-SEM of common spherical BiOI
Figure.Fig. 7 is the FE-SEM figure of 2%Pt modifying common spherical shape BiOI, comparison diagram 7 and Fig. 3 it can be concluded that, compared to spherical BiOI
(embodiment 5), embodiment 2 can be made Pt and disperse more uniform Pt/BiOI catalysis material.It is dropped using rhodamine B solution light
Solution reaction is as probe test evaluation activity, as the result is shown: Pt load capacity is the general spherical shape BiOI light degradation rhodamine of 2wt%
The degradation rate 6h of B reaches 77.01%, is 1.17 times of unmodified general spherical shape BiOI；And Pt load capacity is having for 2wt%
The degradation rate 6h of the BiOI microballoon light degradation rhodamine B of groove reaches 95.4%.It has thus been shown that having when Pt deposition is identical
The BiOI microballoon of groove shows higher photocatalytic activity.And when to have the upper Pt deposition of reeded BiOI be 0,0.5%,
1%, 2%, 3% when, degradation rate is respectively 67.31%, 76.27%, 85.6%, 95.4%, 96.8%.It has thus been shown that your gold
The increase for belonging to Pt deposition facilitates the raising of photocatalytic activity.
Embodiment 6
It weighs the reeded BiOI microballoon of 0.30g tool to be placed in 50mL quartz ampoule, and a certain amount of methanol is added and is made into
30mL suspension is passed through nitrogen 30min to remove the dissolved oxygen in solution.In the case where being protected from light, being vigorously stirred, pipetted with liquid-transfering gun
0.40,0.80,1.59,2.39,3.98mL concentration is the platinum acid chloride solution of 10g/L, is separately added into numbered quartz ampoule
(number is Pt1, Pt2, Pt3, Pt4 and Pt5 respectively).Under 500W Hg lamp irradiation, persistently it is stirred solution and sets 2h.It filters
Solid product is respectively washed 3 times with dehydrated alcohol and deionized water respectively, obtained solid sample is placed in 80 DEG C of baking ovens dry
The Pt/BiOI catalyst that mass percent is respectively 0.5,1,2,3 and 5% is made after 12h.
Be oxidized to probe reaction with photocatalysis to selectively of the benzyl alcohol in acetonitrile, probe into the reeded BiOI microballoon of tool and
The catalytic activity of Pt/BiOI photochemical catalyst.Experimental program is as follows: measuring the benzyl alcohol of 25mmol, 10mL acetonitrile is placed in 50mL stone
Ying Guanzhong, magnetic agitation 30min.100mg catalyst, the H of 3mL is added2O2(30%) into mixed solution, in magnetic agitation item
Dark reaction 30min under part, to reach adsorption/desorption balance.The photochemical reaction then carried out under the xenon lamp irradiation of 500W.Table 1
Give the yield of phenmethylol conversion ratio and benzaldehyde after photochemical reaction 4h.Activity evaluation shows blank test, and (nothing is urged
Agent) in, the conversion ratio of benzyl alcohol is only 4.35%；When using BiOI as catalyst, the conversion ratio of benzyl alcohol is 9.78%.Your gold
The load for belonging to Pt can significantly improve the photocatalytic activity of BiOI, the conversion ratio of benzyl alcohol on the Pt3 catalyst that Pt load capacity is 3%
Up to 78.8%, the load capacity of precious metals pt is continued growing, the activity nothing of catalyst obviously increases.
The conversion ratio of benzyl alcohol and the yield of benzaldehyde on 1 BiOI and Pt/BiOI catalyst of table
Claims (10)
1. a kind of modified BiOI photochemical catalyst of precious metals pt, which is characterized in that the BiOI is by two-dimensional nano piece self assembly
The center of formation has the bismuth oxyiodide microballoon of groove-like, and the Pt is deposited in the surface and groove of reeded BiOI microballoon
Portion, the content of the Pt are 0.5~5wt%.
2. the modified BiOI photochemical catalyst preparation process of precious metals pt according to claim 1, which is characterized in that mainly include
Following steps:
(1) at 26~28 DEG C, will have reeded BiOI microballoon catalysis material and be placed in quartz ampoule, and organic solution is added
It is made into suspension, is passed through 10~60min of gas to remove the dissolved oxygen in solution；
(2) lower platinum precursor solution is added dropwise in suspension being protected from light, be vigorously stirred；
(3) under lasting stirring, mixed material is placed in 1~6h of irradiation under mercury lamp；
(4) the solid was filtered product, to product carry out after sufficiently washing in 50~90 DEG C dry 8~for 24 hours.
3. preparation process according to claim 2, which is characterized in that the reeded BiOI microballoon catalysis material of tool
Preparation mainly comprises the steps that
(S1) under conditions of 26~28 DEG C, structure directing agent PVP-K30 and bismuth source are dissolved in a solvent；With vigorous stirring
Propiodal is added, continues 10~60min of stirring；
(S2) clear solution obtained by step (S1) is transferred in 250mL stainless steel autoclave, solvent adjustment amount of fill is
40%~60%, 160~180 DEG C, progress crystallization 12~for 24 hours；
(S3) it is cooled to room temperature, the solid was filtered product, product is carried out after sufficiently washing in 50~90 DEG C, dry 8~for 24 hours.
4. preparation process according to claim 2, which is characterized in that the platinum precursor solution is platinum acid chloride solution, chlorine Asia
One of platinic acid ammonium, tetraammineplatinum chloride are a variety of.
5. preparation process according to claim 2, which is characterized in that the organic solution is methanol, ethyl alcohol, one in propyl alcohol
Kind is a variety of；The gas is one of nitrogen, argon gas, helium or a variety of.
6. preparation process according to claim 2, which is characterized in that the light source used in step (3) is 500W or 300W mercury
Lamp.
7. preparation process according to claim 2, which is characterized in that step (4) washing is first to be washed with dehydrated alcohol
For several times, it then is washed with deionized for several times.
8. preparation process according to claim 3, which is characterized in that the bismuth source include five nitric hydrate bismuths, bismuthyl carbonate,
The one or more of bismuth sulfate kind；The solvent includes one of ethylene glycol, glycol monoethyl ether, glycerine or more
Kind；The propiodal includes one or more of potassium iodide, sodium iodide, cetyl trimethyl ammonium iodide.
9. preparation process according to claim 3, which is characterized in that the molar ratio of the bismuth source and propiodal is 1:1.
10. the application of the modified BiOI photochemical catalyst of precious metals pt according to claim 1, which is characterized in that as organic
The catalyst of photochemical catalyst or benzyl alcohol photocatalysis to selectively the oxidation producing benzaldehyde reaction of the degradation of dyestuff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813532.5A CN109046400A (en) | 2018-07-23 | 2018-07-23 | A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813532.5A CN109046400A (en) | 2018-07-23 | 2018-07-23 | A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109046400A true CN109046400A (en) | 2018-12-21 |
Family
ID=64835104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810813532.5A Pending CN109046400A (en) | 2018-07-23 | 2018-07-23 | A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109046400A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152662A (en) * | 2019-06-18 | 2019-08-23 | 陕西科技大学 | A kind of Ag-Bi2SiO5/Bi12SiO20The preparation method of double heterogeneous visible-light photocatalysts |
| CN112675836A (en) * | 2020-12-24 | 2021-04-20 | 石家庄铁道大学 | Platinum nanoparticle/carbon nitride/bismuth oxybromide composite material, sensitization photoelectrochemical sensor and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009029539A1 (en) * | 2007-08-24 | 2009-03-05 | Monsanto Technology Llc | Mixtures and catalyst systems including transition metal-containing catalysts and noble metal-containing catalysts, processes for their preparation, and processes for their use in oxidation reactions |
| CN101850263A (en) * | 2010-06-17 | 2010-10-06 | 江西理工大学 | Ag doped BiOBr catalytic material and preparation method and application thereof |
| CN102631936A (en) * | 2012-04-11 | 2012-08-15 | 中山大学 | BiOI composite material and preparation method and application of BiOI composite material |
| CN104014291A (en) * | 2014-06-16 | 2014-09-03 | 上海师范大学 | Fluorescent rotary plate reactor utilizing Ag/BiOBr visible light catalytic film |
| CN107790159A (en) * | 2017-09-28 | 2018-03-13 | 浙江理工大学 | Photochemical catalyst and its preparation and application of a kind of high selectivity catalysis oxidation alcohol into aldehyde |
| CN107952455A (en) * | 2017-12-04 | 2018-04-24 | 汕头大学 | It is a kind of with the three-dimensional sheet BiOI catalysis materials of macroscopic frame and its preparation and application |
-
2018
- 2018-07-23 CN CN201810813532.5A patent/CN109046400A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009029539A1 (en) * | 2007-08-24 | 2009-03-05 | Monsanto Technology Llc | Mixtures and catalyst systems including transition metal-containing catalysts and noble metal-containing catalysts, processes for their preparation, and processes for their use in oxidation reactions |
| CN101850263A (en) * | 2010-06-17 | 2010-10-06 | 江西理工大学 | Ag doped BiOBr catalytic material and preparation method and application thereof |
| CN102631936A (en) * | 2012-04-11 | 2012-08-15 | 中山大学 | BiOI composite material and preparation method and application of BiOI composite material |
| CN104014291A (en) * | 2014-06-16 | 2014-09-03 | 上海师范大学 | Fluorescent rotary plate reactor utilizing Ag/BiOBr visible light catalytic film |
| CN107790159A (en) * | 2017-09-28 | 2018-03-13 | 浙江理工大学 | Photochemical catalyst and its preparation and application of a kind of high selectivity catalysis oxidation alcohol into aldehyde |
| CN107952455A (en) * | 2017-12-04 | 2018-04-24 | 汕头大学 | It is a kind of with the three-dimensional sheet BiOI catalysis materials of macroscopic frame and its preparation and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152662A (en) * | 2019-06-18 | 2019-08-23 | 陕西科技大学 | A kind of Ag-Bi2SiO5/Bi12SiO20The preparation method of double heterogeneous visible-light photocatalysts |
| CN112675836A (en) * | 2020-12-24 | 2021-04-20 | 石家庄铁道大学 | Platinum nanoparticle/carbon nitride/bismuth oxybromide composite material, sensitization photoelectrochemical sensor and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhu et al. | Engineering on the edge of Pd nanosheet cocatalysts for enhanced photocatalytic reduction of CO 2 to fuels | |
| Feng et al. | Long-term production of H2 over Pt/CdS nanoplates under sunlight illumination | |
| CN108654648B (en) | Preparation method and application of photocatalyst for efficiently preparing hydrogen peroxide by photolyzing water | |
| CN108686680A (en) | Monatomic catalyst and preparation method thereof and the application in photodissociation aquatic products hydrogen | |
| CN111013608A (en) | Metallic nickel modified sulfur indium zinc photocatalyst and preparation method and application thereof | |
| CN104707658A (en) | Pd/metal-organic framework compound catalyst as well as preparation method and application thereof | |
| CN112191246A (en) | Supported palladium monatomic catalyst and application thereof in selective hydrogenation of cinnamaldehyde | |
| CN109225222B (en) | Composite photocatalyst and application thereof | |
| CN107376944A (en) | Transient metal sulfide loads application of the Mn Cd S solid solution in terms of Photocatalyzed Hydrogen Production | |
| CN112023934B (en) | Preparation method of copper-indium bimetallic monatomic catalyst | |
| CN110813356A (en) | CdIn2S4-C3N4Composite photocatalyst and preparation method and application thereof | |
| CN107983373A (en) | Method for rapidly preparing carbon-supported BiOBr visible-light-driven photocatalyst in situ by microwave | |
| CN109046400A (en) | A kind of BiOI photochemical catalyst and its preparation and application that precious metals pt is modified | |
| Yan et al. | Preparation, characterization and photocatalytic activity of TiO 2 formed from a mesoporous precursor | |
| CN114471658A (en) | Temperature-controlled bifunctional atomic-level dispersed metal g-C3N4Method for preparing photocatalyst | |
| CN114471624A (en) | NiSe2/Mn0.3Cd0.7S heterojunction photocatalyst and in-situ synthesis method and application thereof | |
| Yuan et al. | Ce-MOF modified Ceria-based photocatalyst for enhancing the photocatalytic performance | |
| CN108940325A (en) | A kind of binary composite semiconductor light-catalyst materials A g2CrO4/ BiOI and its preparation and application | |
| CN107413361B (en) | Method for preparing non-noble metal tungsten carbide photocatalyst by hydrothermal method | |
| CN114425392B (en) | Carbon-nitrogen based composite material, preparation method and application thereof | |
| Sun et al. | Enhanced photocatalytic activity of Bi 2 WO 6 for the degradation of TC by synergistic effects between amorphous Ti and Ni as hole–electron cocatalysts | |
| CN110433858A (en) | Ag/PANI/ graphene composite photocatalyst and preparation method and application | |
| CN111793218B (en) | Preparation method and application of Schiff base dicarboxylic acid ligand Zn and Cu metal organic framework material | |
| CN114471735A (en) | Nickel complex/TiO2Composite material and preparation method and application thereof | |
| CN114870899A (en) | Photocatalytic CO 2 Composite photocatalyst for preparing synthesis gas by decomposition and preparation method thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
|
| RJ01 | Rejection of invention patent application after publication |