CN101254467A - Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst - Google Patents
Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst Download PDFInfo
- Publication number
- CN101254467A CN101254467A CNA2008100603785A CN200810060378A CN101254467A CN 101254467 A CN101254467 A CN 101254467A CN A2008100603785 A CNA2008100603785 A CN A2008100603785A CN 200810060378 A CN200810060378 A CN 200810060378A CN 101254467 A CN101254467 A CN 101254467A
- Authority
- CN
- China
- Prior art keywords
- nano
- high visible
- powder
- nitrate
- visible light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000003197 catalytic effect Effects 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000011941 photocatalyst Substances 0.000 title abstract description 5
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 26
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims abstract description 15
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims abstract description 14
- 239000006104 solid solution Substances 0.000 claims abstract description 12
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000011259 mixed solution Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000001291 vacuum drying Methods 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000011701 zinc Substances 0.000 claims description 28
- 239000011858 nanopowder Substances 0.000 claims description 21
- 239000003054 catalyst Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 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 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 206010013786 Dry skin Diseases 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- 230000001699 photocatalysis Effects 0.000 abstract description 13
- 239000002105 nanoparticle Substances 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 239000002243 precursor Substances 0.000 abstract 2
- 239000000047 product Substances 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000007146 photocatalysis Methods 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000005083 Zinc sulfide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 1
- 229940012189 methyl orange Drugs 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000985 reflectance spectrum Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical group [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a deposition-hydrothermal method for preparing a nano-sized CdxZn<1-x>S photocatalyst with high visible-light photocatalytic activity. The method includes the following steps: 1) adding dropwise a mixed solution of cadmium nitrate and zinc nitrate into a sodium sulfide solution, stirring at a medium rate for 0.5-3 hours, maintaining the temperature at 10-40 DEG C to obtain a nano-sized powdery precursor precipitate; 2) placing the nano-sized powdery precursor precipitate in a reaction vessel, raising the temperate at a rate of 1-5 DEG C/min up to 150-240 DEG C, maintaining the temperature, allowing hydrothermal reactions for 12-24 hours, stopping the hydrothermal reactions, naturally cooling down to room temperature, taking out the reaction products, washing with the deionized water and the anhydrous alcohol for 3-4 times, drying at 50-80 DEG C in a vacuum drying oven to obtain a solid solution of nano-sized CdxZn<1-x>S photocatalyst. The production method is carried out in water phase with easy operation and low cost. The product has uniform distribution of particle size, the forbidden band width and optical properties thereof are controlled by changing components, and the product has high visible-light photocatalytic activity and good prospects in industrial application.
Description
Technical field
The present invention relates to a kind of nanometer Cd that forms solid solution
xZn
1-xPrecipitation-the hydrothermal preparing process of S photochemical catalyst, this powder possesses high visible light catalytic activity.
Background technology
In recent decades, because environmental pollution and energy crisis are on the rise, people have carried out extensive studies for the environmental protection treatment technology of exploring novel practical.The conductor photocatalysis technology provides opportunity for the solution of this problem, and wherein studying many is titanium dioxide.Because TiO
2Energy gap big (Eg ≈ 3.0-3.2ev), its absorption spectrum be in the black light district (λ<400nm), low to the utilization rate of sunshine, be necessary the photochemical catalyst of development of new.
Semi-conductor nano particles causes that recently the binary sulphur of people's very big concern, especially second family is the research of metallic compound.Mainly be because it has nonlinear optics and fluorescent effect, quantum size effect and some other important physics and chemical property.
Ternary compound Cd
xZn
1-xS is by changing its chemical composition, and it absorbs band edge can be extended to green glow from ultraviolet light, therefore can obtain continuously adjustable optical property.Cd
xZn
1-xS as the catalyst of photocatalysis Decomposition aquatic products hydrogen under a kind of visible light, also can be applied to highdensity optical recording and short-wave laser diode, Cd
xZn
1-xThe S film is obtaining application widely as the broad-band gap window material aspect heterojunction solar battery and the photoconductive device.Because Cd
xZn
1-xThe S energy gap can be regulated and control along with chemical composition, will be a kind of potentiality material that has higher catalytic activity under visible light.
Current C d
xZn
1-xThe method that adopts for preparing that S is nanocrystalline has: sintering process, hydro-thermal method, microemulsion method, organic solvent high-temperature synthesis.Obviously, the system dispersing uniformity poor, need starvation, high temperature crystallization, poisonous reagent or complicated shortcomings such as synthesis device to make Cd by these methods preparations
xZn
1-xThe S photochemical catalyst has unstable properties, production technology is difficult to shortcomings such as control and cost height, has limited it to promote the use of, therefore must the new preparation technology of exploitation.
Summary of the invention
The object of the invention provide a kind of easy, have a high visible light catalytic activity nano Cd reliably, cheaply
xZn
1-xPrecipitation-the hydrothermal preparing process of S photochemical catalyst.
Comprise the steps:
1) nano-powder forerunner precipitated liquid preparation:
The mixed solution that will contain cadmium nitrate, zinc nitrate dropwise adds in the sodium sulfide solution, and middling speed stirs 0.5~3h, and mixeding liquid temperature is 10 ℃~40 ℃, obtains nano-powder pioneer precipitated liquid;
2) preparation of nano-powder under the hydrothermal condition:
Above-mentioned nano-powder pioneer precipitated liquid is put into reactor, be warming up to 150~240 ℃ of insulations with the speed of 1~5 ℃/min and carry out hydro-thermal reaction, after 12~24h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 3~4 times, put into vacuum drying chamber in 50~80 ℃ of dryings, obtain forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.
Zinc nitrate in the described step 1): the mol ratio of cadmium nitrate is 1: (0.1~3), cadmium nitrate+zinc nitrate: the mol ratio of vulcanized sodium is 1: (1~1.2), the concentration of cadmium nitrate are 10
-5~10
-1Every liter of mole.
The beneficial effect that the present invention has:
1, the nanometer Cd that under precipitation-hydrothermal condition, synthesizes
xZn
1-xThe S homogeneous grain diameter forms the solid solution structure, and cadmium ion enters into the ZnS lattice;
2, by selecting suitable composition and preparation condition, can control the composition ratio and the grain size of solid solution, obtain energy gap and optical property according to the adjustable Cd of composition
xZn
1-xThe nano-powder of S;
3, nanometer Cd
xZn
1-xThe preparation technology of S is simple, and cost is low;
4, have high visible light catalytic activity, greatly improved the solar energy utilization ratio, the organic pollution of certain kind of effectively degrading.
Description of drawings
Fig. 1 is nano-photocatalyst Cd among the embodiment 1
0.15Zn
0.85The SEM picture of S;
Fig. 2 is nano-photocatalyst Cd
xZn
1-xThe diffuse reflectance spectra of S (a → f:x=0,0.15,0.25,0.5,0.75,1).
The specific embodiment
Elaborate below in conjunction with embodiment:
Has high visible light catalytic activity nano Cd
xZn
1-xPrecipitation-the hydrothermal preparing process of S photochemical catalyst is to utilize first post precipitation hydrothermal condition to prepare the method for nano-powder, use inorganic salts such as cadmium nitrate, zinc nitrate, vulcanized sodium to be raw material, obtained being uniformly dispersed, energy gap and optical property with composition adjustable and have a high visible light catalytic activity nano Cd
xZn
1-xThe S powder.
The mixed solution that will contain 0.0075mol cadmium nitrate and 0.0425mol zinc nitrate splashes in the solution that contains 0.06mol vulcanized sodium gradually, overall solution volume is remained on about 80ml, mixeding liquid temperature is 10 ℃, behind the stirring 1.5h, obtains nano-powder pioneer precipitation;
Above-mentioned nano-powder pioneer precipitation is put into reactor, be warming up to 180 ℃ of insulations with the speed of 1 ℃/min and carry out hydro-thermal reaction, after the 24h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 3 times, put into vacuum drying chamber in 80 ℃ of dryings, obtained forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.
This nanometer Cd
xZn
1-xThe S photochemical catalyst is to consist of Cd
0.15Zn
0.85The solid solution of S.We are set at the catalytic organism object with the methyl orange solution of the 20mg/L of 10ml, are catalyst with the powder 20mg of above-mentioned preparation, are light source with the German Ou Silang HQI-BT 400W/D of company metal halide lamp, have carried out the photocatalysis experiment.
X-ray diffraction analysis (XRD) shows: gained Cd
xZn
1-xThe S nano-powder is a zincblende lattce structure; At visible light according to (after carrying out the photocatalytic degradation experiment of 60min under the λ>400nm), finding nanometer Cd
xZn
1-xThe S powder can reach 96% to the degradation rate of methyl orange.Illustrated that the cadmium doping reduces the energy gap of zinc sulphide, makes its absorption spectrum red shift to visible region, thereby can degrade to organic matter under visible light.
Embodiment 2
The mixed solution that will contain 0.005mol cadmium nitrate and 0.045mol zinc nitrate splashes in the solution that contains 0.06mol vulcanized sodium gradually, and overall solution volume is remained on about 80ml, and mixeding liquid temperature is 40 ℃, behind the stirring 2.5h, obtains nano-powder pioneer precipitation;
Above-mentioned nano-powder pioneer precipitation is put into reactor, be warming up to 200 ℃ of insulations with the speed of 5 ℃/min and carry out hydro-thermal reaction, after the 20h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 3 times, put into vacuum drying chamber in 80 ℃ of dryings, obtained forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.Get off to test its photocatalysis performance with experiment condition identical among the embodiment 1.
Compare with P25 (Degussa), obtained the photocatalysis effect similar to embodiment 1.
Embodiment 3
The mixed solution that will contain 0.00625mol cadmium nitrate and 0.01875mol zinc nitrate splashes in the solution that contains 0.025mol vulcanized sodium gradually, overall solution volume is remained on about 80ml, mixeding liquid temperature is 15 ℃, behind the stirring 3h, obtains nano-powder pioneer precipitation;
Above-mentioned nano-powder pioneer precipitation is put into reactor, be warming up to 240 ℃ of insulations with the speed of 2 ℃/min and carry out hydro-thermal reaction, after the 12h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 3 times, put into vacuum drying chamber in 50 ℃ of dryings, obtained forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.Get off to test its photocatalysis performance with experiment condition identical among the embodiment 1.
Compare with P25 (Degussa), obtained the photocatalysis effect similar to embodiment 1.
Embodiment 4
The mixed solution that will contain 0.00625mol cadmium nitrate and 0.01875mol zinc nitrate splashes in the solution that contains 0.03mol vulcanized sodium gradually, overall solution volume is remained on about 80ml, mixeding liquid temperature is 25 ℃, behind the stirring 0.5h, obtains nano-powder pioneer precipitation;
Above-mentioned nano-powder pioneer precipitation is put into reactor, be warming up to 200 ℃ of insulations with the speed of 2 ℃/min and carry out hydro-thermal reaction, after the 18h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 4 times, put into vacuum drying chamber in 60 ℃ of dryings, obtained forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.Get off to test its photocatalysis performance with experiment condition identical among the embodiment 1.
Compare with P25 (Degussa), obtained the photocatalysis effect similar to embodiment 1.
Embodiment 5
The mixed solution that will contain 0.01875mol cadmium nitrate and 0.00625mol zinc nitrate splashes in the solution that contains 0.0285mol vulcanized sodium gradually, overall solution volume is remained on about 80ml, mixeding liquid temperature is 15 ℃, behind the stirring 2.5h, obtains nano-powder pioneer precipitation;
Above-mentioned nano-powder pioneer precipitation is put into reactor, be warming up to 150 ℃ of insulations with the speed of 5 ℃/min and carry out hydro-thermal reaction, after the 22h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 4 times, put into vacuum drying chamber in 60 ℃ of dryings, obtained forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.Get off to test its photocatalysis performance with experiment condition identical among the embodiment 1.
Compare with P25 (Degussa), obtained the photocatalysis effect similar to embodiment 1.
Claims (2)
1. one kind has high visible light catalytic activity nano Cd
xZn
1-xPrecipitation-the hydrothermal preparing process of S photochemical catalyst is characterized in that comprising the steps:
1) nano-powder forerunner precipitated liquid preparation:
The mixed solution that will contain cadmium nitrate, zinc nitrate dropwise adds in the sodium sulfide solution, and middling speed stirs 0.5~3h, and mixeding liquid temperature is 10 ℃~40 ℃, obtains nano-powder pioneer precipitated liquid;
2) preparation of nano-powder under the hydrothermal condition:
Above-mentioned nano-powder pioneer precipitated liquid is put into reactor, be warming up to 150~240 ℃ of insulations with the speed of 1~5 ℃/min and carry out hydro-thermal reaction, after 12~24h reaction, stop heating, the question response still takes out after being as cold as room temperature naturally, with deionized water and absolute ethanol washing 3~4 times, put into vacuum drying chamber in 50~80 ℃ of dryings, obtain forming the nanometer Cd of solid solution
xZn
1-xThe S photochemical catalyst.
2. a kind of high visible light catalytic activity nano Cd that has according to claim 1
xZn
1-xPrecipitation-the hydrothermal preparing process of S photochemical catalyst is characterized in that the zinc nitrate in the described step 1): the mol ratio of cadmium nitrate is 1: (0.1~3), cadmium nitrate+zinc nitrate: the mol ratio of vulcanized sodium is 1: (1~1.2), the concentration of cadmium nitrate are 10
-5~10
-1Every liter of mole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2008100603785A CN101254467A (en) | 2008-04-11 | 2008-04-11 | Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2008100603785A CN101254467A (en) | 2008-04-11 | 2008-04-11 | Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101254467A true CN101254467A (en) | 2008-09-03 |
Family
ID=39889773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2008100603785A Pending CN101254467A (en) | 2008-04-11 | 2008-04-11 | Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101254467A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101502793B (en) * | 2009-02-18 | 2010-12-29 | 吉林大学 | Method for preparing ZnO and CdO heterogeneous nanostructured oxide material |
CN101982240A (en) * | 2010-09-21 | 2011-03-02 | 淮北师范大学 | Design and preparation of high-activity narrow-band gap photocatalyst capable of selectively oxidizing alcohols and reducing nitro-compounds |
CN102068979A (en) * | 2011-01-07 | 2011-05-25 | 大连海事大学 | Method for degrading methyl orange dye wastewater with ZnIn2S4 visible light catalyst |
CN102218333A (en) * | 2011-01-07 | 2011-10-19 | 大连海事大学 | Method for preparing ZnIn2S4 visible-light activated photocatalyst at low temperature |
CN102285682A (en) * | 2011-06-07 | 2011-12-21 | 哈尔滨工业大学 | Synthesis method and use of nano cadmium zinc sulfide with visible light catalytic activity |
CN103111310A (en) * | 2013-03-12 | 2013-05-22 | 曲阜师范大学 | Method for preparing cadmium-doped nano zinc sulfide |
CN103433061A (en) * | 2013-09-18 | 2013-12-11 | 哈尔滨工业大学 | CdxZn1-xS:La solid solution photocatalyst and preparation method thereof |
CN103464172A (en) * | 2013-09-16 | 2013-12-25 | 天津理工大学 | Compound photocatalyst for reducing carbon dioxide into organic ester and preparation method of compound photocatalyst |
CN104941666A (en) * | 2015-06-19 | 2015-09-30 | 哈尔滨工业大学 | Method for preparing CdxZn1-xS solid solution photocatalyst provided with cubic sphalerite structure and corresponding to visible light |
CN106975521A (en) * | 2017-04-19 | 2017-07-25 | 淮北师范大学 | A kind of preparation method of visible light-responded zinc cadmium sulphur solid solution catalysis material |
CN107555470A (en) * | 2017-09-22 | 2018-01-09 | 陕西科技大学 | A kind of method of two-step method synthesis zinc cadmium sulphur solid-solution material |
CN107697944A (en) * | 2017-09-22 | 2018-02-16 | 陕西科技大学 | A kind of preparation method of the spherical zinc cadmium sulphur solid-solution material of particles self assemble |
CN107876094A (en) * | 2017-11-07 | 2018-04-06 | 常州大学 | Three dish alkene polymer NTP/ zinc-cadmium sulfides Cd of one kind0.5Zn0.5The preparation method of S composite photo-catalysts |
CN108855186A (en) * | 2018-06-21 | 2018-11-23 | 常州大学 | A kind of tubular type carbonitride (C3N4)/zinc-cadmium sulfide Cd0.5Zn0.5The preparation method of S composite photo-catalyst |
CN111905761A (en) * | 2020-07-29 | 2020-11-10 | 广西科技师范学院 | Mn (manganese)1Cd3S4Method for preparing photocatalyst |
CN112158878A (en) * | 2020-09-29 | 2021-01-01 | 陕西科技大学 | Preparation method of hexagonal pyramid-like CdS and application of hexagonal pyramid-like CdS in field of photocatalytic hydrogen production |
CN113318755A (en) * | 2021-06-23 | 2021-08-31 | 淮北师范大学 | Organic-inorganic hybrid MnxCd1-xPreparation method of S solid solution photocatalyst |
CN113680356A (en) * | 2021-09-26 | 2021-11-23 | 广东轻工职业技术学院 | Zn for photocatalytic decomposition of pure water1-xCdxS/D-ZnS(en)0.5/Pi/NiaPreparation method of Pi type catalyst |
-
2008
- 2008-04-11 CN CNA2008100603785A patent/CN101254467A/en active Pending
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101502793B (en) * | 2009-02-18 | 2010-12-29 | 吉林大学 | Method for preparing ZnO and CdO heterogeneous nanostructured oxide material |
CN101982240A (en) * | 2010-09-21 | 2011-03-02 | 淮北师范大学 | Design and preparation of high-activity narrow-band gap photocatalyst capable of selectively oxidizing alcohols and reducing nitro-compounds |
CN102068979A (en) * | 2011-01-07 | 2011-05-25 | 大连海事大学 | Method for degrading methyl orange dye wastewater with ZnIn2S4 visible light catalyst |
CN102218333A (en) * | 2011-01-07 | 2011-10-19 | 大连海事大学 | Method for preparing ZnIn2S4 visible-light activated photocatalyst at low temperature |
CN102285682A (en) * | 2011-06-07 | 2011-12-21 | 哈尔滨工业大学 | Synthesis method and use of nano cadmium zinc sulfide with visible light catalytic activity |
CN102285682B (en) * | 2011-06-07 | 2012-12-19 | 哈尔滨工业大学 | Synthesis method of nano cadmium zinc sulfide with visible light catalytic activity |
CN103111310A (en) * | 2013-03-12 | 2013-05-22 | 曲阜师范大学 | Method for preparing cadmium-doped nano zinc sulfide |
CN103111310B (en) * | 2013-03-12 | 2014-10-08 | 曲阜师范大学 | Method for preparing cadmium-doped nano zinc sulfide |
CN103464172A (en) * | 2013-09-16 | 2013-12-25 | 天津理工大学 | Compound photocatalyst for reducing carbon dioxide into organic ester and preparation method of compound photocatalyst |
CN103433061A (en) * | 2013-09-18 | 2013-12-11 | 哈尔滨工业大学 | CdxZn1-xS:La solid solution photocatalyst and preparation method thereof |
CN103433061B (en) * | 2013-09-18 | 2015-05-27 | 哈尔滨工业大学 | CdxZn1-xS:La solid solution photocatalyst and preparation method thereof |
CN104941666A (en) * | 2015-06-19 | 2015-09-30 | 哈尔滨工业大学 | Method for preparing CdxZn1-xS solid solution photocatalyst provided with cubic sphalerite structure and corresponding to visible light |
CN104941666B (en) * | 2015-06-19 | 2017-10-03 | 哈尔滨工业大学 | A kind of Cd of visible light-responded cubic sphalerite structurexZn1‑xThe preparation method of S mischcrystal photocatalysts |
CN106975521A (en) * | 2017-04-19 | 2017-07-25 | 淮北师范大学 | A kind of preparation method of visible light-responded zinc cadmium sulphur solid solution catalysis material |
CN107555470A (en) * | 2017-09-22 | 2018-01-09 | 陕西科技大学 | A kind of method of two-step method synthesis zinc cadmium sulphur solid-solution material |
CN107697944A (en) * | 2017-09-22 | 2018-02-16 | 陕西科技大学 | A kind of preparation method of the spherical zinc cadmium sulphur solid-solution material of particles self assemble |
CN107555470B (en) * | 2017-09-22 | 2019-03-22 | 陕西科技大学 | A kind of method of two-step method synthesis zinc cadmium sulphur solid-solution material |
CN107697944B (en) * | 2017-09-22 | 2019-07-12 | 陕西科技大学 | A kind of preparation method of the spherical zinc cadmium sulphur solid-solution material of particles self assemble |
CN107876094A (en) * | 2017-11-07 | 2018-04-06 | 常州大学 | Three dish alkene polymer NTP/ zinc-cadmium sulfides Cd of one kind0.5Zn0.5The preparation method of S composite photo-catalysts |
CN108855186A (en) * | 2018-06-21 | 2018-11-23 | 常州大学 | A kind of tubular type carbonitride (C3N4)/zinc-cadmium sulfide Cd0.5Zn0.5The preparation method of S composite photo-catalyst |
CN111905761A (en) * | 2020-07-29 | 2020-11-10 | 广西科技师范学院 | Mn (manganese)1Cd3S4Method for preparing photocatalyst |
CN112158878A (en) * | 2020-09-29 | 2021-01-01 | 陕西科技大学 | Preparation method of hexagonal pyramid-like CdS and application of hexagonal pyramid-like CdS in field of photocatalytic hydrogen production |
CN112158878B (en) * | 2020-09-29 | 2022-08-30 | 陕西科技大学 | Preparation method of hexagonal pyramid-like CdS and application of hexagonal pyramid-like CdS in field of photocatalytic hydrogen production |
CN113318755A (en) * | 2021-06-23 | 2021-08-31 | 淮北师范大学 | Organic-inorganic hybrid MnxCd1-xPreparation method of S solid solution photocatalyst |
CN113680356A (en) * | 2021-09-26 | 2021-11-23 | 广东轻工职业技术学院 | Zn for photocatalytic decomposition of pure water1-xCdxS/D-ZnS(en)0.5/Pi/NiaPreparation method of Pi type catalyst |
CN113680356B (en) * | 2021-09-26 | 2023-05-02 | 广东轻工职业技术学院 | Zn capable of being used for photocatalytic decomposition of pure water 1-x Cd x S/D-ZnS(en) 0.5 /Pi/Ni a Pi type catalyst preparation method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101254467A (en) | Precipitating-hydrothermal preparation with high visible light catalytic activity nano CdxZn1-xS photocatalyst | |
Samadi et al. | Recent progress on doped ZnO nanostructures for visible-light photocatalysis | |
Wang et al. | Highly enhanced photocatalytic performance of TiO2 nanosheets through constructing TiO2/TiO2 quantum dots homojunction | |
Liu et al. | Facile synthesis of g-C3N4/ZnO composite with enhanced visible light photooxidation and photoreduction properties | |
Chen et al. | Preparation, characterization and activity evaluation of p–n junction photocatalyst p-ZnO/n-TiO2 | |
Qin et al. | Ultrasonic-assisted fabrication of a direct Z-scheme BiOI/Bi2O4 heterojunction with superior visible light-responsive photocatalytic performance | |
Bhirud et al. | Surfactant tunable hierarchical nanostructures of CdIn2S4 and their photohydrogen production under solar light | |
Habibi et al. | Synthesis and characterization of bi-component ZnSnO3/Zn2SnO4 (perovskite/spinel) nano-composites for photocatalytic degradation of Intracron Blue: Structural, opto-electronic and morphology study | |
Hao et al. | Synthesis of NiWO4 powder crystals of polyhedron for photocatalytic degradation of Rhodamine | |
Yi et al. | Crystal phase dependent solar driven hydrogen evolution catalysis over cobalt diselenide | |
Liu et al. | Enhancing hydrogen evolution of water splitting under solar spectra using Au/TiO2 heterojunction photocatalysts | |
CN101053839A (en) | Sulfur doped titanium dioxide photocatalyst with anatase structure water-heating preparation method | |
CN105170173A (en) | Perovskite material/organic polymer compound photocatalyst, preparation and application | |
Wang et al. | Modulating the selectivity of photocatalytic CO2 reduction in barium titanate by introducing oxygen vacancies | |
Wang et al. | Construction of 1D/2D core-shell structured K6Nb10. 8O30@ Zn2In2S5 as S-scheme photocatalysts for cocatalyst-free hydrogen production | |
Cui et al. | Heterogeneous semiconductor shells sequentially coated on upconversion nanoplates for NIR-light enhanced photocatalysis | |
Rasoulifard et al. | Photocatalytic activity of zinc stannate: Preparation and modeling | |
Yan et al. | Facile preparation of novel organic–inorganic PI/Zn0. 25Cd0. 75S composite for enhanced visible light photocatalytic performance | |
CN104923261A (en) | Method for prolonging service life of CdS nano photocatalyst | |
Xie et al. | Enhancing visible light photocatalytic activity by transformation of Co3+/Co2+ and formation of oxygen vacancies over rationally Co doped ZnO microspheres | |
Zhao et al. | WO3 quantum dots decorated GO/Mg‐doped ZnO composites for enhanced photocatalytic activity under nature sunlight | |
Chen | A promising strategy to fabricate the Cu/BiVO 4 photocatalysts and their enhanced visible-light-driven photocatalytic activities | |
WU et al. | Fabrication and photocatalytic properties of Cu2S/T-ZnOw heterostructures via simple polyol process | |
Gao et al. | Enhanced visible-light-driven photocatalytic H2-production activity of CdS-loaded TiO2 microspheres with exposed (001) facets | |
Khan et al. | One-pot synthesis of (anatase/bronze-type)-TiO2/carbon dot polymorphic structures and their photocatalytic activity for H2 generation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Open date: 20080903 |