CN108479810A - A kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof - Google Patents

A kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof Download PDF

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CN108479810A
CN108479810A CN201810242718.XA CN201810242718A CN108479810A CN 108479810 A CN108479810 A CN 108479810A CN 201810242718 A CN201810242718 A CN 201810242718A CN 108479810 A CN108479810 A CN 108479810A
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znin
visible light
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秦来顺
周佳波
陈达
黄岳祥
孙杏国
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China Jiliang University
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    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • B01J27/047Sulfides with chromium, molybdenum, tungsten or polonium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
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    • C25B1/01Products
    • C25B1/02Hydrogen or oxygen
    • C25B1/04Hydrogen or oxygen by electrolysis of water
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    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
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    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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Abstract

The invention belongs to Photocatalitic Technique of Semiconductor fields, and in particular to a kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof.The present invention provides a kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof, it is characterised in that:Co-catalyst WS2Nanometer sheet passes through hydro-thermal reaction and ZnIn2S4Particle is closely linked, and forms WS2/ZnIn2S4Composite visible light catalyst.Relative to simple ZnIn2S4For photochemical catalyst, the WS of preparation2/ZnIn2S4Composite visible light catalyst is due to foring semiconductor heterostructure, can effectively promote the separation of photogenerated charge and reducing the compound of photo-generate electron-hole pair, so as to greatly improve Photocatalyzed Hydrogen Production performance.WS provided by the invention2/ZnIn2S4Composite visible light catalyst and preparation method thereof, the visible light catalyst to design and develop new and effective provide new approaches and new way.

Description

A kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof
Technical field
The invention belongs to Photocatalitic Technique of Semiconductor fields, and in particular to a kind of WS2/ZnIn2S4Composite visible light catalyst And preparation method thereof.
Background technology
Today's society, constantly exhausted fossil energy and worsening problem of environmental pollution force the mankind urgently to look for And develop new cleaning fuel.Hydrogen Energy due to have the characteristics that high-energy, cleanliness without any pollution and as substitute conventional fossil fuel Clean energy resource.In recent years, photocatalytic hydrogen production by water decomposition technology because its can using one solar energy of regenerative resource and water come Hydrogen is obtained, the extensive concern by various countries is started.For photocatalytic hydrogen production by water decomposition technology, highly effective hydrogen yield efficiency is obtained Key is photochemical catalyst, but most common photochemical catalyst TiO at present2The purple for accounting for sunlight total amount 3%-5% can only be absorbed Outer light, solar energy utilization ratio are low, it is difficult to industrial applications.Since visible light accounts for about the 45% of sunlight total amount, exploitation Visible light-responded, high efficiency photocatalyst has become the research hotspot of recent photocatalysis research field.
Ternary metal sulfide ZnIn2S4Because having unique six sides layer structure, suitable energy gap (energy gap About 2.43eV), visible region have it is stronger absorb etc. series of advantages, cause the pole of photocatalysis field researcher in recent years Big interest.Studies have shown that ZnIn2S4Presented in terms of the photocatalytic degradation of photocatalysis hydrolytic hydrogen production and organic pollution compared with High catalytic activity, and with binary metal testing sulphide ratio, have better photochemical stability.However, single ZnIn2S4Photogenerated charge be easy compound, quantum efficiency is relatively low.Therefore, it is necessary to ZnIn2S4It is modified to improve its light Catalytic performance.
In recent years, with MoS2、WS2Etc. stratiforms disulphide be the non-platinum co-catalyst of representative because it is cheap and higher property Extensive concern can be caused in photocatalysis field.The study found that in TiO2, the semiconductor light-catalysts area load MoS such as CdS2 Or WS2After co-catalyst, its photocatalytic hydrogen production by water decomposition efficiency can be largely improved, shows MoS2Or WS2Etc. stratiforms Disulphide is a kind of novel cocatalyst materials for being expected to substitute noble metal.Therefore, the present invention proposes a kind of improvement ZnIn2S4The method of photocatalytic activity is exactly by WS2Nanometer sheet is as co-catalyst and ZnIn2S4Nano particle is combined to make It is standby to obtain WS2/ZnIn2S4Composite photo-catalyst, to largely improve ZnIn2S4Photocatalysis Decomposition aquatic products hydrogen live Property.
Invention content
The purpose of the present invention is by WS2Nanometer sheet is as co-catalyst and ZnIn2S4Photochemical catalyst is combined, and preparation obtains Obtain a kind of efficient WS2/ZnIn2S4Composite visible light catalyst.The present invention is realized by hydro-thermal method by WS2Nanometer sheet, which helps, urges Agent and ZnIn2S4Effective combination of both photochemical catalysts, largely solves ZnIn2S4Photochemical catalyst light induced electron- Hole has also properly increased ZnIn to the higher problem of recombination rate2S4The spectral absorption performance of photochemical catalyst, to improve ZnIn2S4The Photocatalyzed Hydrogen Production efficiency of photochemical catalyst.
The present invention provides a kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof, it is characterised in that be logical Cross following technical scheme realization:
(1) WS is prepared by hydro-thermal method first2Two-dimensional nano piece, detailed process are:The WCl for being 1: 10 by molar ratio6 (tungsten chloride) and CH3CSNH2(thioacetamide) dissolves together forms precursor solution in deionized water, then goes to hydro-thermal Reaction kettle, the hydro-thermal reaction 24 hours under the conditions of 265 DEG C;It is cooled to room temperature after reaction, by water after precipitated product collection WS can be prepared after 24 hours with freeze-drying process by washing2Nanometer sheet;
(2) above-mentioned WS is being obtained2Under the premise of two-dimensional nano piece, is further prepared by hydro-thermal reaction and obtain WS2/ ZnIn2S4Composite visible light catalyst, the reaction process are specially:By the WS of a certain amount of above-mentioned synthesis2According to different moles hundred Divide and be distributed in deionized water than (1%~10%), strength ultrasonic disperse 1 hour forms WS2Suspension;Then, by ZnCl2、 In(NO3)3And CH3CSNH2Stoichiometrically molar ratio is 1: 2: 4 WS for being dissolved into above-mentioned configuration successively2In suspension, at ultrasound Reason 30 minutes, prepares precursor solution;Later, precursor solution is transferred in hydrothermal reaction kettle, is reacted under 160 degree 6~12 hours;After reaction, it is cooled to room temperature, collected by suction reaction product cleans number with absolute ethyl alcohol and deionized water Secondary, vacuum drying oven can prepare different WS after being dried overnight2The WS of molar percentage (1%~10%)2/ZnIn2S4It is compound Visible light catalyst.
The invention has the advantages and positive effects that:
The present invention prepares WS using two one-step hydrothermals2/ZnIn2S4Composite visible light catalyst has preparation method phase To the advantages that simple, of low cost.Compared to other synthetic methods, substep hydrothermal synthesis process can ensure to the full extent WS2The microscopic appearance structure of nanometer sheet is not destroyed, and realizes ZnIn2S4With WS2Nanometer sheet good combination between the two, can be with Obtain better photocatalysis performance.Relative to simple ZnIn2S4For photochemical catalyst, the WS that is prepared2/ZnIn2S4It is compound Visible light catalyst is due to foring semiconductor heterostructure, can effectively promote the separation of photogenerated charge and reducing photoproduction electricity Son-hole pair it is compound, so as to greatly improve Photocatalyzed Hydrogen Production performance.WS prepared by the present invention2/ZnIn2S4Complex light In catalyst, WS2Mole percent level in the composite photocatalyst is controlled 1%~10%, works as WS2When content is 3%, WS2/ZnIn2S4Composite photo-catalyst shows best Photocatalyzed Hydrogen Production activity.
Description of the drawings
Fig. 1 is the simple ZnIn prepared by comparative example2S4Different WS prepared by photochemical catalyst and Examples 1 to 32/ ZnIn2S4The XRD spectra of composite visible light catalyst;
Fig. 2 is (A) ZnIn prepared by comparative example2S4(B) 3%WS prepared by photochemical catalyst and embodiment 22/ZnIn2S4 Scanning electron microscope (SEM) figure of composite visible light catalyst;
Fig. 3 is (A) ZnIn prepared by comparative example2S4(B) 3%WS prepared by photochemical catalyst and embodiment 22/ZnIn2S4 Transmission electron microscope (TEM) figure of composite visible light catalyst;
Fig. 4 is the simple ZnIn prepared by comparative example2S4Different WS prepared by photochemical catalyst and Examples 1 to 32/ ZnIn2S4Photocatalyzed Hydrogen Production efficiency chart of the composite visible light catalyst under visible light (λ >=420nm) irradiation;
Fig. 5 is the 3%WS prepared by embodiment 22/ZnIn2S4Composite visible light catalyst shines at visible light (λ >=420nm) Photocatalyzed Hydrogen Production stability loop test figure under penetrating;
Specific implementation mode
Below by specific embodiment, the present invention is described in further detail, and following embodiment can make this profession The present invention, but do not limit the invention in any way is more completely understood in technical staff.
Embodiment 1:
(1) WS is prepared by hydro-thermal method first2Two-dimensional nano piece, detailed process are:11.897 grams of WCl are weighed respectively6 With 22.767 grams of thioacetamide (CH3CSNH2) be dissolved in 400 ml deionized waters and stir 1 hour after formed presoma it is molten Then liquid goes to 500 milliliters of hydrothermal reaction kettles, the hydro-thermal reaction 24 hours under the conditions of 265 degree;It is cooled to room after reaction Temperature, precipitated product collect after by washing and freeze-drying process is after 24 hours can prepare WS2Nanometer sheet;
(2) by the WS of the 5mg of above-mentioned synthesis2Nanometer sheet is distributed in 50 ml deionized waters, and strength ultrasonic disperse 1 is small When, form WS2Suspension;Then, by the ZnCl of 2mmol2, the In (NO of 4mmol3)3·H2The CH of O and 8mmol3CSNH2By change It is 1: 2: 4 WS for being dissolved into above-mentioned configuration successively to learn stoichiometric mole ratio2In suspension, it is ultrasonically treated 30 minutes, before preparing Drive liquid solution;Later, precursor solution is transferred in hydrothermal reaction kettle, is reacted 8 hours under 160 degree;After reaction, cold But to room temperature, collected by suction reaction product is cleaned for several times with absolute ethyl alcohol and deionized water, after vacuum drying oven is dried overnight, most The WS containing 1% molar percentage is prepared eventually2/ZnIn2S4Composite visible light catalyst, be labeled as 1%WS2/ ZnIn2S4
Embodiment 2:
(1)WS2The preparation process of two-dimensional nano piece is the same as embodiment one;
(2) by the WS of the 15mg of above-mentioned synthesis2Nanometer sheet is distributed in 50 ml deionized waters, and strength ultrasonic disperse 1 is small When, form WS2Suspension;Then, by the ZnCl of 2mmol2, the In (NO of 4mmol3)3·H2The CH of O and 8mmol3CSNH2By change It is 1: 2: 4 WS for being dissolved into above-mentioned configuration successively to learn stoichiometric mole ratio2In suspension, it is ultrasonically treated 30 minutes, before preparing Drive liquid solution;Later, precursor solution is transferred in hydrothermal reaction kettle, is reacted 8 hours under 160 degree;After reaction, cold But to room temperature, collected by suction reaction product is cleaned for several times with absolute ethyl alcohol and deionized water, after vacuum drying oven is dried overnight, most The WS containing 3% molar percentage is prepared eventually2/ZnIn2S4Composite visible light catalyst, be labeled as 3%WS2/ ZnIn2S4
Embodiment 3:
(1)WS2The preparation process of two-dimensional nano piece is the same as embodiment one;
(2) by the WS of the 25mg of above-mentioned synthesis2Nanometer sheet is distributed in 50 ml deionized waters, and strength ultrasonic disperse 1 is small When, form WS2Suspension;Then, by the ZnCl of 2mmol2, the In (NO of 4mmol3)3·H2The CH of O and 8mmol3CSNH2By change It is 1: 2: 4 WS for being dissolved into above-mentioned configuration successively to learn stoichiometric mole ratio2In suspension, it is ultrasonically treated 30 minutes, before preparing Drive liquid solution;Later, precursor solution is transferred in hydrothermal reaction kettle, is reacted 8 hours under 160 degree;After reaction, cold But to room temperature, collected by suction reaction product is cleaned for several times with absolute ethyl alcohol and deionized water, after vacuum drying oven is dried overnight, most The WS containing 5% molar percentage is prepared eventually2/ZnIn2S4Composite visible light catalyst, be labeled as 5%WS2/ ZnIn2S4
Comparative example:
It studies as a contrast, we are prepared for simple ZnIn using hydro-thermal method2S4Photochemical catalyst, detailed process are as follows:It will The ZnC l of 2mmol2, the In (NO of 4mmol3)3·H2The CH of O and 8mmol3CSNH2Stoichiometrically molar ratio is 1: 2: 4 successively It is dissolved in 50ml deionized waters, is ultrasonically treated 30 minutes, prepares precursor solution;Later, precursor solution is shifted Into hydrothermal reaction kettle, reacted 8 hours under 160 degree;After reaction, it is cooled to room temperature, collected by suction reaction product, with nothing Water-ethanol and deionized water cleaning for several times, after vacuum drying oven is dried overnight, finally prepare ZnIn2S4Photocatalyst powder.
Simple ZnIn prepared by the present invention2S4With different WS2/ZnIn2S4The photocatalysis performance of composite visible light catalyst It is to test system using commercially available Photocatalyzed Hydrogen Production to test its photochemical catalyzing H2-producing capacity, detailed process and step are such as Under:The Na of a concentration of 0.25mol/L of 200ml is added in light-catalyzed reaction vessel2SO3With the Na of a concentration of 0.35mol/L2S's Mixed solution does sacrifice agent, adds the photochemical catalyst rear enclosed system of 0.2g preparations, vacuumizes, reach after certain vacuum degree with Xenon lamp simulated visible light carries out illumination to it, and the concentration for producing hydrogen in different periods system is detected by gas chromatograph, is obtained not With the volume of the decomposition aquatic products hydrogen of sample under visible light illumination, and then calculate its Photocatalyzed Hydrogen Production rate.
Fig. 1 is the simple ZnIn prepared by comparative example2S4Different WS prepared by photochemical catalyst and Examples 1 to 32/ ZnIn2S4The XRD spectra of composite visible light catalyst.It can be seen from the figure that the ZnIn2S4 photocatalysis prepared using hydro-thermal method The characteristic diffraction peak of agent corresponds respectively to the crystal face (JCPDS card No.01 072 0773) of hexagonal phase indium sulfide zinc, says Bright hydro-thermal method can prepare pure six sides ZnIn2S4Crystal phase structure;And introduce WS2After nanometer sheet, ZnIn2S4Characteristic diffraction peak There is no apparent variation occurs, this illustrates WS2Introducing do not interfere with ZnIn2S4Crystal phase structure;It should be noted that for WS2/ZnIn2S4For composite photo-catalyst, there is a WS for 12 ° or so in the angle of diffraction2Diffractive features peak, and with WS2The increase of content, it can be seen that WS2Diffraction peak intensity also gradually increase, this also illustrates WS2/ZnIn2S4Composite photocatalyst The successful preparation of agent.
Fig. 2 is the ZnIn prepared by comparative example2S43%WS prepared by photochemical catalyst and embodiment 22/ZnIn2S4It is compound can Scanning electron microscope (SEM) figure of light-exposed catalyst.As seen from the figure, the ZnIn prepared using hydro-thermal method2S4Photochemical catalyst is not advise Particle then, these particles are formed by numerous nanoparticle agglomerates;And WS2/ZnIn2S4Composite photo-catalyst can obviously be seen It observes in two-dimentional WS2It distributed many irregular ZnIn on nanometer sheet surface2S4Particle.
Fig. 3 is the ZnIn prepared by comparative example2S43%WS prepared by photochemical catalyst and embodiment 22/ZnIn2S4It is compound can Transmission electron microscope (TEM) figure of light-exposed catalyst.As seen from the figure, pure ZnIn2S4Sample is formed by numerous nanoparticle agglomerates Irregular particle, and WS2/ZnIn2S4Composite photo-catalyst then can obviously observe ZnIn2S4Particle is attached to WS2Nanometer On piece, the two are bound tightly together, and further demonstrate WS2/ZnIn2S4The successful preparation of composite photo-catalyst.
Fig. 4 is the simple ZnIn prepared by comparative example2S4Different WS prepared by photochemical catalyst and Examples 1 to 32/ ZnIn2S4Photocatalyzed Hydrogen Production efficiency chart of the composite visible light catalyst under visible light (λ >=420nm) irradiation.It can be seen by figure Go out and pure ZnIn2S4The hydrogen generation efficiency of photochemical catalyst is compared, WS2/ZnIn2S4There is composite visible light catalyst better light to urge Change H2-producing capacity;Work as WS2Content be 3% when, WS2/ZnIn2S4The hydrogen-producing speed of composite visible light catalyst reaches maximum, about It is pure ZnIn for 199.12 μm of ol/h/g2S46 times of photochemical catalyst hydrogen generation efficiency (33.36 μm of ol/h/g).Photocatalyzed Hydrogen Production is surveyed Test result shows by introducing suitable WS2Co-catalyst can largely improve ZnIn2S4Photocatalyzed Hydrogen Production Energy.
Fig. 5 is the 3%WS prepared by embodiment 22/ZnIn2S4Composite visible light catalyst shines at visible light (λ >=420nm) Photocatalyzed Hydrogen Production stability loop test figure under penetrating.As seen from the figure, under visible light illumination, 3%WS2/ZnIn2S4 Composite visible light catalyst sample carries out Photocatalyzed Hydrogen Production loop test (test 4 hours every time) three times, the photocatalysis production of sample Hydrogen efficiency is reduced there is no apparent, is illustrated that this material has good photocatalysis stability, is conducive to WS2/ZnIn2S4It is multiple The practical application of closing light catalyst.

Claims (5)

1. a kind of WS2/ZnIn2S4Composite visible light catalyst, it is characterised in that:Co-catalyst WS2Nanometer sheet passes through hydro-thermal reaction With ZnIn2S4Particle is closely linked, and forms WS2/ZnIn2S4Composite visible light catalyst.
2. a kind of WS2/ZnIn2S4The preparation method of composite visible light catalyst, it is characterised in that include the following steps:
(1) WCl for being 1: 10 by molar ratio6(tungsten chloride) and CH3CSNH2(thioacetamide) dissolves in deionized water together Precursor solution is formed, hydrothermal reaction kettle is transferred to and carries out hydro-thermal reaction for 24 hours at a certain temperature, it is dry through filtering, centrifugation, freezing WS is obtained after dry2Nanometer sheet sample;
(2) a certain amount of WS for obtaining above-mentioned steps 12Sample strength ultrasonic disperse in deionized water, according to certain molar ratio Example sequentially adds ZnCl2、In(NO3)3·H2O and CH3CSNH2, agitated to dissolve and be configured to after being ultrasonically treated 30 minutes suspended Liquid;
(3) suspension that step (2) is prepared is transferred in hydrothermal reaction kettle, when carrying out one section of hydro-thermal reaction at a certain temperature Between, obtain composite catalyst sample after filtering, centrifugation, drying.
3. WS according to claim 22/ZnIn2S4The preparation method of composite visible light catalyst, it is characterised in that:Step (1) presoma WCl in6Solution concentration is 0.075M, and hydrothermal temperature is 265 DEG C.
4. WS according to claim 22/ZnIn2S4The preparation method of composite visible light catalyst, it is characterised in that:Step (2) ZnCl in2、In(NO3)3·H2O and CH3CSNH2The molar ratio of addition is 1: 2: 4, WS2Addition is ZnIn in product2S4It rubs The 1%~10% of that amount, strength ultrasonic disperse time are 1 hour.
5. WS according to claim 22/ZnIn2S4The preparation method of composite visible light catalyst, it is characterised in that:Step (3) temperature of hydro-thermal reaction is 160 DEG C in, and the reaction time is 6~12 hours.
CN201810242718.XA 2018-03-21 2018-03-21 A kind of WS2/ZnIn2S4Composite visible light catalyst and preparation method thereof Pending CN108479810A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124698A (en) * 2019-04-30 2019-08-16 江苏大学 A kind of CdIn2S4Nano-particle modified few layer MoS2The preparation method of nanometer sheet composite photo-catalyst
CN110227516A (en) * 2019-06-03 2019-09-13 河北地质大学 ZnIn2S4/BiPO4Heterojunction photocatalyst, preparation method and applications
CN110368956A (en) * 2019-08-12 2019-10-25 陕西科技大学 A kind of nano flower-like VS2The preparation method of composite particles shape CdS photochemical catalyst
CN110560105A (en) * 2019-09-03 2019-12-13 西北师范大学 Preparation of nickel phosphide-loaded sulfur indium zinc nano microsphere composite material and application of composite material in photocatalytic hydrogen production
CN110624572A (en) * 2019-09-29 2019-12-31 陕西科技大学 Flaky semimetal MoTe2And flaky semi-metal MoTe2Preparation method of/RGO
CN110735151A (en) * 2019-06-20 2020-01-31 常州大学 Preparation method of titanium carbide composite indium zinc sulfide photo-anode
CN110993971A (en) * 2019-12-12 2020-04-10 电子科技大学 NiS2/ZnIn2S4Composite material and preparation method and application thereof
CN111097450A (en) * 2019-12-12 2020-05-05 电子科技大学 Preparation method of sulfur-indium-zinc-based composite electrode
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009066529A (en) * 2007-09-13 2009-04-02 Tokyo Univ Of Science Photocatalyst, its manufacturing method, and method for generating hydrogen gas
CN103071513A (en) * 2013-02-27 2013-05-01 福州大学 Hydrogen-production photocatalyst MoS2/ZnIn2S4 and preparation method thereof
CN103331175A (en) * 2013-07-10 2013-10-02 黑龙江大学 Preparation method of MoS2/ZnIn2S4 nanosheet composite material
CN104888809A (en) * 2015-05-27 2015-09-09 合肥卓元科技服务有限公司 Preparation method of photocatalyst based on multi-metal sulfide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009066529A (en) * 2007-09-13 2009-04-02 Tokyo Univ Of Science Photocatalyst, its manufacturing method, and method for generating hydrogen gas
CN103071513A (en) * 2013-02-27 2013-05-01 福州大学 Hydrogen-production photocatalyst MoS2/ZnIn2S4 and preparation method thereof
CN103331175A (en) * 2013-07-10 2013-10-02 黑龙江大学 Preparation method of MoS2/ZnIn2S4 nanosheet composite material
CN104888809A (en) * 2015-05-27 2015-09-09 合肥卓元科技服务有限公司 Preparation method of photocatalyst based on multi-metal sulfide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HAITAO ZHAO等: ""Enhanced photocatalytic activity for hydrogen evolution from water by Zn0.5Cd0.5S/WS2 heterostructure"", 《MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING》 *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124698A (en) * 2019-04-30 2019-08-16 江苏大学 A kind of CdIn2S4Nano-particle modified few layer MoS2The preparation method of nanometer sheet composite photo-catalyst
CN110124698B (en) * 2019-04-30 2022-02-15 江苏大学 CdIn2S4Nanoparticle modified few-layer MoS2Preparation method of nanosheet composite photocatalyst
CN110227516A (en) * 2019-06-03 2019-09-13 河北地质大学 ZnIn2S4/BiPO4Heterojunction photocatalyst, preparation method and applications
CN110735151A (en) * 2019-06-20 2020-01-31 常州大学 Preparation method of titanium carbide composite indium zinc sulfide photo-anode
CN110368956B (en) * 2019-08-12 2022-06-03 陕西科技大学 Nanometer flower-shaped VS2Preparation method of composite micro-particle CdS photocatalyst
CN110368956A (en) * 2019-08-12 2019-10-25 陕西科技大学 A kind of nano flower-like VS2The preparation method of composite particles shape CdS photochemical catalyst
CN110560105A (en) * 2019-09-03 2019-12-13 西北师范大学 Preparation of nickel phosphide-loaded sulfur indium zinc nano microsphere composite material and application of composite material in photocatalytic hydrogen production
CN110560105B (en) * 2019-09-03 2022-03-01 西北师范大学 Preparation of nickel phosphide-loaded sulfur indium zinc nano microsphere composite material and application of composite material in photocatalytic hydrogen production
CN110624572A (en) * 2019-09-29 2019-12-31 陕西科技大学 Flaky semimetal MoTe2And flaky semi-metal MoTe2Preparation method of/RGO
CN110993971B (en) * 2019-12-12 2022-07-29 电子科技大学 NiS 2 /ZnIn 2 S 4 Composite material and preparation method and application thereof
CN111097450A (en) * 2019-12-12 2020-05-05 电子科技大学 Preparation method of sulfur-indium-zinc-based composite electrode
CN110993971A (en) * 2019-12-12 2020-04-10 电子科技大学 NiS2/ZnIn2S4Composite material and preparation method and application thereof
CN111822004A (en) * 2020-06-23 2020-10-27 南通职业大学 Preparation method of tungsten disulfide/indium sulfide composite nano material
CN111822004B (en) * 2020-06-23 2022-11-15 南通职业大学 Preparation method of tungsten disulfide/indium sulfide composite nano material
CN111992226A (en) * 2020-07-28 2020-11-27 南京航空航天大学 Photocatalytic nano composite catalyst and preparation method thereof
CN111992226B (en) * 2020-07-28 2022-12-23 南京航空航天大学 Photocatalytic nano composite catalyst and preparation method thereof
CN113019400A (en) * 2021-03-18 2021-06-25 青岛大学 MoS2Quantum dot doped ZnIn2S4Preparation method and application of composite photocatalyst
CN113522321A (en) * 2021-07-07 2021-10-22 浙江大学 Surface/bulk junction visible-light-driven photocatalyst and preparation method thereof
CN113522321B (en) * 2021-07-07 2022-07-01 浙江大学 Surface/bulk junction visible-light-driven photocatalyst and preparation method thereof
CN113385195A (en) * 2021-07-23 2021-09-14 兰州大学 Preparation and application of tungsten disulfide/indium sulfide heterojunction photocatalytic material
CN118513058A (en) * 2024-06-12 2024-08-20 东营市艾硕机械设备有限公司 Metal sulfur-based semiconductor photocatalyst and preparation method thereof

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Application publication date: 20180904