CN107519899A - A kind of selenizing cobalt catalyst and its preparation method and application - Google Patents
A kind of selenizing cobalt catalyst and its preparation method and application Download PDFInfo
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- CN107519899A CN107519899A CN201710942312.8A CN201710942312A CN107519899A CN 107519899 A CN107519899 A CN 107519899A CN 201710942312 A CN201710942312 A CN 201710942312A CN 107519899 A CN107519899 A CN 107519899A
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- cobalt
- selenizing
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- cobalt catalyst
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910017052 cobalt Inorganic materials 0.000 title claims description 47
- 239000010941 cobalt Substances 0.000 title claims description 47
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims description 47
- 239000003054 catalyst Substances 0.000 title claims description 26
- 238000006722 reduction reaction Methods 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000001699 photocatalysis Effects 0.000 claims abstract description 18
- 238000007146 photocatalysis Methods 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000011669 selenium Substances 0.000 claims description 38
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 21
- 229910052711 selenium Inorganic materials 0.000 claims description 21
- 229940091258 selenium supplement Drugs 0.000 claims description 21
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 12
- 229910001868 water Inorganic materials 0.000 claims description 12
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical class NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 230000001235 sensitizing effect Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- PMYDPQQPEAYXKD-UHFFFAOYSA-N 3-hydroxy-n-naphthalen-2-ylnaphthalene-2-carboxamide Chemical compound C1=CC=CC2=CC(NC(=O)C3=CC4=CC=CC=C4C=C3O)=CC=C21 PMYDPQQPEAYXKD-UHFFFAOYSA-N 0.000 claims description 3
- 239000012327 Ruthenium complex Substances 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 229940011182 cobalt acetate Drugs 0.000 claims description 3
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 3
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 3
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 3
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 claims description 3
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 239000003504 photosensitizing agent Substances 0.000 claims description 3
- YAZJAPBTUDGMKO-UHFFFAOYSA-L potassium selenate Chemical compound [K+].[K+].[O-][Se]([O-])(=O)=O YAZJAPBTUDGMKO-UHFFFAOYSA-L 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 229960001881 sodium selenate Drugs 0.000 claims description 3
- 239000011655 sodium selenate Substances 0.000 claims description 3
- 235000018716 sodium selenate Nutrition 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000003426 co-catalyst Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000004927 fusion Effects 0.000 abstract 1
- 229910001428 transition metal ion Inorganic materials 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 22
- 239000000243 solution Substances 0.000 description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- -1 cobaltous selenide Chemical class 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 229910003424 Na2SeO3 Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011781 sodium selenite Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
- B01J27/057—Selenium or tellurium; Compounds thereof
- B01J27/0573—Selenium; Compounds thereof
-
- B01J35/23—
-
- B01J35/30—
-
- B01J35/39—
-
- 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
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- 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
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Abstract
The invention provides a kind of co-catalyst Co0.85Se and its preparation method and application, belong to photocatalysis field.The co-catalyst of the present invention is nano lamellar material by solvent structure, material fusion transition metal ions to the bigger serface of the transmission performance of electronics and two-dimensional material, high activity exposure than the advantages that, can efficiently promote photocatalysis CO2The performance of reduction reaction.Its preparation method is simple and easy, reaction system mild condition, and CO is being realized using solar energy2Fixation and conversion etc. have broad application prospects.
Description
Technical field
The invention belongs to new material to prepare the technical field with photocatalysis carbon dioxide reduction, and in particular to a kind of selenizing
Cobalt catalyst and its preparation method and application.
Background technology
With the getting worse of the environmental problems such as energy crisis and greenhouse effects, the Faced In Sustainable Development of human society is huge
How big challenge, effectively utilize solar energy to realize the fixation of carbon dioxide and convert oneself and cause the extensive pass of countries in the world
Note.
Using photocatalysis technology, by CO2More valuable industrial chemicals is converted into, such as CO, CH4、CH3OH, HCHO and
HCOOH etc., it can not only realize to CO2Fixation, alleviate greenhouse effects to a certain extent, can also be provided for the mankind important
Industrial chemicals.Therefore, realized by photocatalysis technology to CO2Conversion be a great attractability and challenge problem.
But current photocatalysis CO2Reduction reaction efficiency is low, greatly constrains its practical application, and it is considered as that one kind carries to introduce co-catalyst
High photocatalysis CO2The effective means of reduction efficiency, thus the successful exploitation design of new and effective co-catalyst is to utilize solar energy
Realize CO2One of fixed and conversion key technology.
The content of the invention
It is an object of the invention to provide a kind of co-catalyst Co0.85Se and its preparation method and application, preparation method letter
It is single easy, gentle using the cheap simplicity of equipment, synthesis condition, suitable for industrialization development, be advantageous to promote;Applied to visible ray
It is catalyzed CO2Reduction, can efficiently promote CO2The performance of photo catalytic reduction reaction.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of preparation method of selenizing cobalt catalyst, it is characterised in that comprise the following steps that:
Step(One)Cobalt source compound is dissolved in solvent and obtains cobalt source solution, selenium source compound is dissolved in solvent selenium source is made
Solution;
Step(Two)Selenium source solution is added dropwise while stirring in the cobalt source solution, continues stirring after dripping 30 ~ 180 minutes,
Move into again in autoclave, constant temperature 12 ~ 24 hours at a temperature of 90 ~ 240 DEG C, gained sediment water and ethanol centrifugation are washed
Wash to total ion concentration<10ppm, then dried 6 ~ 24 hours at 40 ~ 120 DEG C, grinding, obtain selenizing cobalt catalyst powder.
The step(One)In cobalt source compound using cobalt chloride, cobalt acetate, cobalt nitrate, one kind in cobaltous sulfate.
The step(One)In selenium source compound using sodium selenate, one kind in potassium selenate.
The step(One)In solvent using deionized water, one or both of diethylenetriamines.
The cobalt source solution concentration is 0.1 ~ 1 mol/L, and selenium source solution concentration is 0.1 ~ 1 mol/L;The cobalt source solution
It is 1 ~ 3: 1 with the mol ratio of selenium source and cobalt source in selenium source solution.
The chemical formula of selenizing cobalt catalyst is Co made from preparation method as mentioned0.85Se。
Selenizing cobalt catalyst made from preparation method is in visible light catalytic CO as mentioned2Application in reduction system.
In visible light catalytic CO2In reduction system, described system is the batch (-type) photocatalysis CO2 reduction reactions under normal pressure
System, with bipyridyl ruthenium complex [Ru (bpy)3]Cl2•6H2O is used as electronics sacrifice as visible light photosensitizer using triethanolamine
Agent, solvent is used as using the mixed solution of acetonitrile or acetonitrile and water.
Described Co0.85Se dosage is the 1 ~ 15% of sensitising agent quality.
Described photocatalysis CO2The reaction temperature of reduction system is 10 ~ 60 DEG C, and the reaction time is 15 ~ 180min.
Compared with prior art, beneficial effects of the present invention:
(1)The present invention is applied to photocatalysis field using cobaltous selenide as co-catalyst first, can effectively improve photocatalysis CO2Also
Former reaction efficiency;
(2)The co-catalyst cobaltous selenide preparation method of the present invention is simple and easy, it is not necessary to equipment, the synthesis condition temperature of complex and expensive
Be advantageous to promote on a large scale;
(3)The reaction system of the present invention is simple and easy, and auxiliary dosage is few, and green pollution is few, economizes on resources and reaction condition
Gently, be advantageous in CO2Popularization and application in technique for fixing.
Brief description of the drawings
Fig. 1 is Co in the embodiment of the present invention 10.85Se X-ray diffractogram;
Fig. 2 is Co in the embodiment of the present invention 10.85Se scanning electron microscope (SEM) photograph;
Fig. 3 is Co in the embodiment of the present invention 10.85Photocatalysis COs of the Se as co-catalyst2Reducing activity figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The present invention provides a kind of preparation method of selenizing cobalt catalyst, and concrete scheme is as follows:
Step(One)Cobalt source compound is dissolved in solvent and obtains cobalt source solution, selenium source compound is dissolved in solvent selenium source is made
Solution;
Step(Two)Selenium source solution is added dropwise while stirring in the cobalt source solution, continues stirring after dripping 30 ~ 180 minutes,
Move into again in autoclave, constant temperature 12 ~ 24 hours at a temperature of 90 ~ 240 DEG C, gained sediment water and ethanol centrifugation are washed
Wash to total ion concentration<10ppm, then dried 6 ~ 24 hours at 40 ~ 120 DEG C, grinding, obtain selenizing cobalt catalyst powder.
The step(One)In cobalt source compound using cobalt chloride, cobalt acetate, cobalt nitrate, one kind in cobaltous sulfate.
The step(One)In selenium source compound using sodium selenate, one kind in potassium selenate.
The step(One)In solvent using deionized water, one or both of diethylenetriamines.
The cobalt source solution concentration is 0.1 ~ 1 mol/L, and selenium source solution concentration is 0.1 ~ 1 mol/L;The cobalt source solution
It is 1 ~ 3: 1 with the mol ratio of selenium source and cobalt source in selenium source solution.
A kind of selenizing cobalt catalyst, the chemical formula of selenizing cobalt catalyst is Co0.85Se。
A kind of application of selenizing cobalt catalyst, selenizing cobalt catalyst is in visible light catalytic CO2Answering in reduction system
With.
In visible light catalytic CO2In reduction system, described system is the batch (-type) photocatalysis CO under normal pressure2Reduction reaction
System, with bipyridyl ruthenium complex [Ru (bpy)3]Cl2•6H2O is used as electronics sacrifice as visible light photosensitizer using triethanolamine
Agent, solvent is used as using the mixed solution of acetonitrile or acetonitrile and water.
Described Co0.85Se dosage is the 1 ~ 15% of sensitising agent quality.
Described photocatalysis CO2The reaction temperature of reduction system is 10 ~ 60 DEG C, and the reaction time is 15 ~ 180min.
Embodiment 1
Weigh 0.249 g Co (Ac)2·H2O and 0.173 g Na2SeO340 mL diethylenetriamines are dissolved in respectively(DETA)With
Deionized water(H2O)Mixed solution (VH2O:VDETA=2:1) in, by Na2SeO3Solution is slowly dropped into Co (Ac)2·H2O solution
In, continue to stir 30 min, be transferred to 180 DEG C of h of hydro-thermal 16 in 100 mL autoclaves, be cooled to room temperature, centrifuge washing,
80 DEG C of 12 h of vacuum drying, obtain Co0.85Se;
Fig. 1 is the X-ray diffractogram that the present embodiment prepares material, from figure 1 it appears that the sample prepared is hexagonal crystal phase
Co0.85Se(JCPDS:52-1008).
Fig. 2 is that embodiment 1 prepares Co0.85The scanning electron microscope (SEM) photograph of Se samples, as can be seen from Figure 2 sample present nano lamellar
Pattern.
By obtained Co0.85Se materials are used for photo catalytic reduction CO as co-catalyst2, reaction is homemade normal at one
Carried out in pressure intermittent reaction device, using 300W xenon lamps as light source(Add 420 nm optical filter), reaction system passes through
Circulating condensing water management temperature weighs 0.1 mg Co at 20 DEG C0.85Se co-catalysts and 8 mg bipyridyl ruthenium complexs([Ru
(bpy)3]Cl2·6H2O)Then sensitising agent adds 3 mL water, 2 mL acetonitriles, 1 mL triethanolamines in reactor, stirring is equal
It is even.System is vacuumized with mechanical pump, is then charged with high-purity CO2Gas, reaction of turning on light after the min of adsorption equilibrium 30.Reaction generation
Gas-phase product analyzed by gas chromatographic detection.
Fig. 3 is that embodiment 1 prepares sample for photo catalytic reduction CO2Photocatalysis CO in system2The activity figure of reduction,
Under the system, main reduzate is CO and H2, by illumination in 2 hours, CO and H2Yield respectively reaches 36.0 μm of ol and 9.4 μ
mol。
Table 1 is Co in the embodiment of the present invention 10.85Photocatalysis COs of the Se as co-catalyst2Reduction reaction blank control is tested
As a result.
Reaction condition | CO/μmol | H2/μmol | CO+H2/μmol |
Normal reaction | 36.0 | 9.4 | 45.4 |
No light | -- | -- | -- |
Without [Ru(bpy)3]Cl2·6H2O | -- | -- | -- |
Without Co0.85Se | 1.6 | 1.8 | 3.4 |
N2Instead of CO2 | -- | 1.2 | 1.2 |
From table 1 it follows that the reaction system is the CO of visible optical drive2Reduction system, co-catalyst Co0.85Se's
Introducing substantially increases CO2The efficiency of reduction reaction.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of preparation method of selenizing cobalt catalyst, it is characterised in that comprise the following steps that:
Step(One)Cobalt source compound is dissolved in solvent and obtains cobalt source solution, selenium source compound is dissolved in solvent selenium source is made
Solution;
Step(Two)Selenium source solution is added dropwise while stirring in the cobalt source solution, continues stirring after dripping 30 ~ 180 minutes,
Move into again in autoclave, constant temperature 12 ~ 24 hours at a temperature of 90 ~ 240 DEG C, gained sediment water and ethanol centrifugation are washed
Wash to total ion concentration<10ppm, then dried 6 ~ 24 hours at 40 ~ 120 DEG C, grinding, obtain selenizing cobalt catalyst powder.
2. the preparation method of selenizing cobalt catalyst according to claim 1, it is characterised in that:
The step(One)In cobalt source compound using cobalt chloride, cobalt acetate, cobalt nitrate, one kind in cobaltous sulfate.
3. the preparation method of selenizing cobalt catalyst according to claim 1 or 2, it is characterised in that:
The step(One)In selenium source compound using sodium selenate, one kind in potassium selenate.
4. the preparation method of selenizing cobalt catalyst according to claim 3, it is characterised in that:
The step(One)In solvent using deionized water, one or both of diethylenetriamines.
5. the preparation method of selenizing cobalt catalyst according to claim 4, it is characterised in that:
The cobalt source solution concentration is 0.1 ~ 1 mol/L, and selenium source solution concentration is 0.1 ~ 1 mol/L;The cobalt source solution and selenium
The mol ratio of selenium source and cobalt source is 1 ~ 3: 1 in the solution of source.
A kind of 6. selenizing cobalt catalyst, it is characterised in that:Preparation method as described in any one in claim 1-5 is made
The chemical formula of selenizing cobalt catalyst be Co0.85Se。
A kind of 7. application of selenizing cobalt catalyst, it is characterised in that:Preparation side as described in any one in claim 1-5
Selenizing cobalt catalyst is in visible light catalytic CO made from method2Application in reduction system.
8. the application of selenizing cobalt catalyst according to claim 7, it is characterised in that:In visible light catalytic CO2Reduction Body
In system, described system is the batch (-type) photocatalysis CO2 reduction reaction systems under normal pressure, with bipyridyl ruthenium complex [Ru
(bpy)3]Cl2•6H2O is as visible light photosensitizer, using triethanolamine as electronics sacrifice agent, with the mixed of acetonitrile or acetonitrile and water
Solution is closed as solvent.
9. the application of selenizing cobalt catalyst according to claim 8, it is characterised in that:Described Co0.85Se dosage is
The 1 ~ 15% of sensitising agent quality.
10. the application of selenizing cobalt catalyst according to claim 8 or claim 9, it is characterised in that:Described photocatalysis CO2Also
The reaction temperature of substance system is 10 ~ 60 DEG C, and the reaction time is 15 ~ 180min.
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CN107999094A (en) * | 2017-12-29 | 2018-05-08 | 郑州大学 | A kind of metal phase tungsten selenide nanometer sheet/carbon nano-tube hybridization structure elctro-catalyst and preparation method thereof |
CN107999093A (en) * | 2017-12-29 | 2018-05-08 | 郑州大学 | A kind of cobalt doped two dimension tungsten selenide elctro-catalyst and preparation method thereof |
CN109400898A (en) * | 2018-10-25 | 2019-03-01 | 陕西科技大学 | A kind of manganese coordination polymer and its preparation method and application |
CN109569659A (en) * | 2019-01-07 | 2019-04-05 | 福州大学 | A kind of photocatalysis auxiliary agent and preparation method thereof restoring carbon dioxide |
CN111905771A (en) * | 2020-08-12 | 2020-11-10 | 西安理工大学 | Preparation method of catalyst for modifying cuprous oxide with different crystal faces by selenium |
CN113145138A (en) * | 2021-03-11 | 2021-07-23 | 福州大学 | Thermal response type composite photocatalyst and preparation method and application thereof |
CN113593918A (en) * | 2021-07-27 | 2021-11-02 | 陕西君普新航科技有限公司 | Lamellar CoxSelf-assembly preparation method of Se nanosheet array solar cell electrode |
CN115624980A (en) * | 2022-12-26 | 2023-01-20 | 四川大学 | Metal selenium-based biocatalysis material and preparation method and application thereof |
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Cited By (10)
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CN107999094A (en) * | 2017-12-29 | 2018-05-08 | 郑州大学 | A kind of metal phase tungsten selenide nanometer sheet/carbon nano-tube hybridization structure elctro-catalyst and preparation method thereof |
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CN115624980A (en) * | 2022-12-26 | 2023-01-20 | 四川大学 | Metal selenium-based biocatalysis material and preparation method and application thereof |
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