CN107572877A - One kind is based on BiOI/MoS2Building coating of/CdS composite photo-catalysts and preparation method thereof - Google Patents
One kind is based on BiOI/MoS2Building coating of/CdS composite photo-catalysts and preparation method thereof Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 82
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 61
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- 238000000576 coating method Methods 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 96
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 96
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 36
- 239000008367 deionised water Substances 0.000 claims abstract description 24
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 24
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 23
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 22
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 229910001868 water Inorganic materials 0.000 claims abstract description 18
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 235000013336 milk Nutrition 0.000 claims abstract description 14
- 239000008267 milk Substances 0.000 claims abstract description 14
- 210000004080 milk Anatomy 0.000 claims abstract description 14
- 239000000052 vinegar Substances 0.000 claims abstract description 14
- 235000021419 vinegar Nutrition 0.000 claims abstract description 14
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000013530 defoamer Substances 0.000 claims abstract description 12
- 239000002562 thickening agent Substances 0.000 claims abstract description 12
- 239000000243 solution Substances 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 239000011684 sodium molybdate Substances 0.000 claims abstract description 10
- 235000015393 sodium molybdate Nutrition 0.000 claims abstract description 10
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000498 ball milling Methods 0.000 claims abstract description 9
- 239000011259 mixed solution Substances 0.000 claims abstract description 9
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 9
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003054 catalyst Substances 0.000 claims description 28
- 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 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 229910052708 sodium Inorganic materials 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 7
- 235000009566 rice Nutrition 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- 241000209094 Oryza Species 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000007146 photocatalysis Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229940067573 brown iron oxide Drugs 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007822 coupling agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003301 hydrolyzing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000005476 size effect Effects 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-M dodecanoate Chemical compound CCCCCCCCCCCC([O-])=O POULHZVOKOAJMA-UHFFFAOYSA-M 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229940070765 laurate Drugs 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- CYRPECJLOQEQDX-UHFFFAOYSA-N oxo(sulfanylidene)molybdenum Chemical compound O=[Mo]=S CYRPECJLOQEQDX-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The present invention provides one kind and is based on BiOI/MoS2Building coating of/CdS composite photo-catalysts and preparation method thereof, specific preparation method are：Sodium molybdate and thioacetamide are added into ultrasonic disperse in deionized water, successively add thioacetamide and BiOI, is well mixed, is obtained mixed solution, through hydro-thermal reaction, BiOI/MoS is prepared2Micron ball, by BiOI/MoS2Micron ball ultrasonic disperse adds caddy and sodium sulfide solution stirs, hydro-thermal reaction, is prepared BiOI/MoS again in deionized water2/ CdS composite photo-catalysts；Titanium dioxide, talcum powder and water are mixed in proportion, dispersant and defoamer ball milling is added, adds BiOI/MoS2/ CdS composite photo-catalysts, tertiary vinegar milk liquid, coalescents and thickener, stir, and obtain being based on BiOI/MoS2The building coating of/CdS composite photo-catalysts.
Description
Technical field
The invention belongs to catalyst ink technical field, and in particular to one kind is based on BiOI/MoS2/ CdS composite photocatalysts
Building coating of agent and preparation method thereof.
Background technology
As the improvement of people's living standards, the room as caused by the indoor life of interior decoration, furniture material and people
Environment pollution problem increasingly causes the extensive attention and concern of people, and indoor pollution is increasingly becoming social hotspots.
Photocatalytic activity coating is that nano-particle phase and coating composition is compound and obtain, utilizes the small size effect of nano material
Should, skin effect, quantum size effect etc., be different from conventional optics, electricity, magnetic performance and photocatalysis so as to assign coating
Activity, enable ultraviolet light of the photocatalytic activity coating directly using the various approach including sunshine, at room temperature to various
Organic or inorganic pollutant is decomposed or aoxidized, and makes H2O and CO2 etc., reaches the effect for removing these pollutants.This
Method energy consumption is low, it is easy to operate, except cleanliness is high, especially the pollutant special to some has very prominent removal effect, and without secondary
Pollution, but also the mechanical properties such as the intensity of coating, hardness, wearability, scoring resistance can be improved.
Disclosed environmental protection coating materials with visible light catalytic function of Chinese patent CN 103756376B and preparation method thereof,
The environmental protection coating material can be by modified Nano brown iron oxide, silicate, land plaster, titanium dioxide, the powder of photocatalytic activity including having
Anticaking agent, solidification conditioner, inorganic pigment and pigment, wherein with can be by the modified Nano brown iron oxide of photocatalytic activity by
What iron oxide was compounded to form with zinc oxide, tin oxide, strontium titanates or reduced graphene, or mixed by Trace Silicon, titanium or tin
The modified Nano brown iron oxide that miscellaneous iron oxide is formed, or applied in iron oxide surface covered with magnesia, silica or aluminum oxide
The modified Nano brown iron oxide of layer, or supported nano-gold, silver, platinum, ruthenium, rhodium, the modified Nano brown iron oxide of iridium or palladium,
Environmental protection coating material prepared by this method not only has the characteristics of light absorpting ability is strong, and raw material is easy to get, and cost is cheap, is suitable as
Building coating uses.A kind of nano photo catalyzed polyurethane paint and preparation method thereof disclosed in the C of Chinese patent CN 1189528,
The nano photo catalyzed polyurethane paint is made up of titania modified Hydroxylated acrylic resin and Isocyanates curing agent, its
Middle titanium dioxide can through silica, alundum (Al2O3), zirconium dioxide, zinc oxide, tin ash it is one or more inorganic
Surface treatment, can also enter stearic acid, oleic acid, laurate or their metallic salt, dimethicone, silicone coupling agents,
Organic surface treatment such as titanate coupling agent.From above-mentioned prior art, by by the nano-particle catalyst of different cultivars
Add in coating, make the coating of preparation there is photocatalysis performance, therefore in order to improve the photocatalysis performance of coating, improve nanoparticle
The catalytic performance of son seems very necessary.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind to be based on BiOI/MoS2The building of/CdS composite photo-catalysts applies
Material and preparation method thereof, with sodium molybdate and thioacetamide and BiOI hydro-thermal reactions generation BiOI/MoS2Micron ball, then with chlorination
Cadmium and vulcanized sodium are raw material, and hydro-thermal reaction obtains BiOI/MoS2/ CdS composite photo-catalysts, add titanium dioxide, talcum powder, divide
Powder, defoamer, tertiary vinegar milk liquid, coalescents and thickener form green building coating, the building coating have it is excellent can
See photocatalysis hydrolytic hydrogen production performance.
In order to solve the above technical problems, the technical scheme is that：
One kind is based on BiOI/MoS2The building coating of/CdS composite photo-catalysts, it is described to be based on BiOI/MoS2/ CdS is compound
The building coating of photochemical catalyst includes BiOI/MoS2/ CdS composite photo-catalysts, titanium dioxide, talcum powder, dispersant, defoamer,
Tertiary vinegar milk liquid, coalescents and thickener, the BiOI/MoS2/ CdS composite photo-catalysts are by BiOI/MoS2Micron ball surface is sunk
Product CdS is obtained.
The present invention also provides one kind and is based on BiOI/MoS2The preparation method of the building coating of/CdS composite photo-catalysts, bag
Include following steps：
(1) sodium molybdate and thioacetamide are added in deionized water, ultrasonic disperse, adds thioacetamide and be stirred
1-3h is handled, adds BiOI, is well mixed, is obtained mixed solution, be transferred in hydrothermal reaction kettle and carry out hydro-thermal reaction, is prepared
Obtain BiOI/MoS2Micron ball；
(2) BiOI/MoS for preparing step (1)2Micron ball ultrasonic disperse adds caddy and sulphur in deionized water
Change sodium water solution, stir, be again transferred in hydrothermal reaction kettle and carry out hydro-thermal reaction, BiOI/MoS is prepared2/CdS
Composite photo-catalyst；
(3) titanium dioxide, talcum powder and water are mixed in proportion, adds dispersant and defoamer ball milling, add step
Suddenly the BiOI/MoS that prepared by (2)2/ CdS composite photo-catalysts, tertiary vinegar milk liquid, coalescents and thickener, stir, obtain
Based on BiOI/MoS2The building coating of/CdS composite photo-catalysts.
As the preferred of above-mentioned technical proposal, in the step (1), the temperature of hydro-thermal reaction is 150-200 DEG C, during reaction
Between be 15-30h.
As the preferred of above-mentioned technical proposal, in the step (1), BiOI/MoS2BiOI contents are 1- in micron ball
10wt%, the size of micron ball is 0.5-2 μm.
As the preferred of above-mentioned technical proposal, in the step (2), the concentration of caddy and sodium sulfide solution is
0.01-0.05moL/L。
As the preferred of above-mentioned technical proposal, in the step (2), the temperature of hydro-thermal reaction is 80-150 DEG C, during reaction
Between be 1-6h.
As the preferred of above-mentioned technical proposal, in the step (2), BiOI/MoS2BiOI/ in/CdS composite catalysts
MoS2Content be 0.5-5wt%.
As the preferred of above-mentioned technical proposal, in the step (3), based on BiOI/MoS2/ CdS composite catalysts are built
Build BiOI/MoS in coating2The content of/CdS composite photo-catalysts is 0.5-3.5wt%.
As the preferred of above-mentioned technical proposal, in the step (3), the mass ratio of titanium dioxide, talcum powder and water is 3:2:
4。
As the preferred of above-mentioned technical proposal, in the step (3), based on BiOI/MoS2/ CdS composite catalysts are built
Building the dosage of tertiary vinegar milk liquid in coating makes twice of titanium dioxide.
Compared with prior art, the invention has the advantages that：
(1) CdS be it is a kind of can be by the n-type intrinsic semiconductor of excited by visible light, it for width be 2.4eV that it, which is prohibited, and energy can be inhaled
Receive wavelength little Yu 520nm ultraviolet light and can be by light, and molar absorption coefficient is larger, by CdS and MoS2It is compound with BiOI, BiOI
It is a kind of indirect p-type semiconductor, MoS2It is a kind of p-type semiconductor, there is typical layer structure, energy gap is narrow, by CdS
With MoS2It is compound with BiOI, the photocatalysis hydrolytic hydrogen production activity of composite catalyst can be effectively improved, 0.5-2um's of the invention
BiOI/MoS2Micron ball is to control to obtain at 150-200 DEG C, and temperature Thailand enlightening will not produce target product, and temperature is too high then
The material of sulphur molybdenum oxygen is produced, then with caddy and vulcanized sodium is respectively cadmium source and sulphur source, BiOI/MoS is prepared2/ CdS is compound
Photochemical catalyst.
(2) BiOI/MoS prepared by the present invention2CdS is as graininess major catalyst, BiOI/ in/CdS composite photo-catalysts
MoS2Mass fraction control in 0.5-5wt%, the temperature for controlling hydro-thermal is 80-150 DEG C, and temperature is too low to be unable to productive target production
Thing, crystallinity is bad, and temperature is too high, and microscopic appearance can change, and influences the energy gap of composite photo-catalyst, influences to urge
Change performance, the final photocatalysis performance for influenceing coating.
(3) BiOI/MoS prepared by the present invention2Under radiation of visible light laser, hydrogen generation efficiency reaches/CdS composite photo-catalysts
Hydrogen generation efficiency is appointed so highly stable after 14000umol/g/h, circulation production hydrogen 10h, is not substantially decayed, with BiOI/MoS2/CdS
Composite photo-catalyst has good removal effect for the building coating of catalyst preparation to special pollutant.
Embodiment
The present invention is described in detail below in conjunction with specific embodiment, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 1000 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 1h, add BiOI, is well mixed, obtains mixed solution, be transferred to water
In thermal response kettle, hydro-thermal reaction 15h is carried out at 150 DEG C, the BiOI/MoS that particle diameter is 0.5 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 1wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.01moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 1h is carried out at 80 DEG C, is prepared
BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
0.5wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.1wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.3wt% coalescents and 0.1wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 0.5wt%.
Embodiment 2：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 3000 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 3h, add BiOI, is well mixed, obtains mixed solution, be transferred to water
In thermal response kettle, hydro-thermal reaction 30h is carried out at 200 DEG C, the BiOI/MoS that particle diameter is 2 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 10wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.05moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 6h is carried out at 150 DEG C, is prepared into
To BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
5wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.5wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.8wt% coalescents and 0.3wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 3.5wt%.
Embodiment 3：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 2000 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 2h, add BiOI, is well mixed, obtains mixed solution, be transferred to water
In thermal response kettle, hydro-thermal reaction 20h is carried out at 180 DEG C, the BiOI/MoS that particle diameter is 1 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 5wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.04moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 5h is carried out at 100 DEG C, is prepared into
To BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
1wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.2wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.5wt% coalescents and 0.2wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 2.5wt%.
Embodiment 4：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 1500 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 1.5h, add BiOI, is well mixed, obtains mixed solution, be transferred to
In hydrothermal reaction kettle, hydro-thermal reaction 25h is carried out at 190 DEG C, the BiOI/MoS that particle diameter is 0.9 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 6wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.04moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 3h is carried out at 80-150 DEG C, prepares
Obtain BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
3wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.4wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.7wt% coalescents and 0.2wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 1.7wt%.
Embodiment 5：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 2500 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 2.5h, add BiOI, is well mixed, obtains mixed solution, be transferred to
In hydrothermal reaction kettle, hydro-thermal reaction 18h is carried out at 190 DEG C, the BiOI/MoS that particle diameter is 1.2 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 4wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.04moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 5h is carried out at 100 DEG C, is prepared into
To BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
4wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.2wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.5wt% coalescents and 0.2wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 3.2wt%.
Embodiment 6：
(1) by weight, 9 parts of sodium molybdate and 18 parts of thioacetamides are added in 2600 parts of deionized water, surpassed
Sound disperses, and adds thioacetamide and is stirred 2h, add BiOI, is well mixed, obtains mixed solution, be transferred to water
In thermal response kettle, hydro-thermal reaction 18h is carried out at 190 DEG C, the BiOI/MoS that particle diameter is 0.9 μm is prepared2Micron ball, wherein
BiOI/MoS2BiOI contents are 8wt% in micron ball.
(2) according to BiOI/MoS2The molal volume of micron ball and deionized water ratio (mol/L) is 3:8, by BiOI/MoS2It is micro-
Rice ball ultrasonic disperse is in deionized water, the concentration of the caddy and sodium sulfide solution, wherein caddy and vulcanized sodium of addition
It is 0.04moL/L, stirs, be again transferred in hydrothermal reaction kettle, hydro-thermal reaction 4.5h is carried out at 100 DEG C, prepares
Obtain BiOI/MoS2/ CdS composite photo-catalysts, wherein BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be
2.5wt%.
(3) it is 3 in mass ratio by titanium dioxide, talcum powder and water:2:4 is well mixed, add 0.6wt% dispersants and
0.1wt% defoamer ball millings, add BiOI/MoS2The tertiary vinegar milk liquid of/CdS composite photo-catalysts, titanium dioxide dosage double,
0.8wt% coalescents and 0.1wt% thickeners, stir, and obtain being based on BiOI/MoS2/ CdS composite photo-catalysts are built
Coating is built, wherein based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/ CdS composite photo-catalysts
Content is 3.5wt%.
After testing, the BiOI/MoS that prepared by embodiment 1-62/ CdS composite photo-catalysts are in the case where that can excite the irradiation of light
It is catalyzed H2-producing capacity and stable circulation performance and based on BiOI/MoS2The PARA FORMALDEHYDE PRILLS(91,95) of the building coating of/CdS composite catalysts
The result of photodegradation rate is as follows：
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. one kind is based on BiOI/MoS2The building coating of/CdS composite photo-catalysts, it is characterised in that：It is described to be based on BiOI/
MoS2The building coating of/CdS composite photo-catalysts includes BiOI/MoS2It is/CdS composite photo-catalysts, titanium dioxide, talcum powder, scattered
Agent, defoamer, tertiary vinegar milk liquid, coalescents and thickener, the BiOI/MoS2/ CdS composite photo-catalysts are by BiOI/MoS2It is micro-
Rice ball surface deposition CdS is obtained.
2. one kind is based on BiOI/MoS2The preparation method of the building coating of/CdS composite photo-catalysts, it is characterised in that including with
Lower step：
(1) sodium molybdate and thioacetamide are added in deionized water, ultrasonic disperse, adds thioacetamide and be stirred
1-3h, BiOI is added, be well mixed, obtain mixed solution, be transferred in hydrothermal reaction kettle and carry out hydro-thermal reaction, be prepared
BiOI/MoS2Micron ball；
(2) BiOI/MoS for preparing step (1)2Micron ball ultrasonic disperse adds caddy and vulcanized sodium water in deionized water
Solution, stir, be again transferred in hydrothermal reaction kettle and carry out hydro-thermal reaction, BiOI/MoS is prepared2/ CdS complex lights
Catalyst；
(3) titanium dioxide, talcum powder and water are mixed in proportion, adds dispersant and defoamer ball milling, add step (2)
The BiOI/MoS of preparation2/ CdS composite photo-catalysts, tertiary vinegar milk liquid, coalescents and thickener, stir, are based on
BiOI/MoS2The building coating of/CdS composite photo-catalysts.
3. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (1), the temperature of hydro-thermal reaction is 150-200 DEG C, reaction time 15-30h.
4. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (1), BiOI/MoS2BiOI contents are 1-10wt% in micron ball, the size of micron ball
For 0.5-2 μm.
5. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (2), the concentration of caddy and sodium sulfide solution is 0.01-0.05moL/L.
6. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (2), the temperature of hydro-thermal reaction is 80-150 DEG C, reaction time 1-6h.
7. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (2), BiOI/MoS2BiOI/MoS in/CdS composite catalysts2Content be 0.5-
5wt%.
8. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (3), based on BiOI/MoS2BiOI/MoS in the building coating of/CdS composite catalysts2/
The content of CdS composite catalysts is 0.5-3.5wt%.
9. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (3), the mass ratio of titanium dioxide, talcum powder and water is 3:2:4.
10. one kind according to claim 2 is based on BiOI/MoS2The preparation side of the building coating of/CdS composite photo-catalysts
Method, it is characterised in that：In the step (3), based on BiOI/MoS2Tertiary vinegar milk liquid in the building coating of/CdS composite catalysts
Dosage makes twice of titanium dioxide.
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Cited By (1)
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| CN110408316A (en) * | 2019-08-26 | 2019-11-05 | 青岛理工大学 | Preparation method of photocatalytic super-hydrophobic coating |
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| CN110408316A (en) * | 2019-08-26 | 2019-11-05 | 青岛理工大学 | Preparation method of photocatalytic super-hydrophobic coating |
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