CN106391056A - ZnxCdl-xS/TiO2 nanometer photocatalytic material and preparation thereof - Google Patents
ZnxCdl-xS/TiO2 nanometer photocatalytic material and preparation thereof Download PDFInfo
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 230000001699 photocatalysis Effects 0.000 title abstract description 22
- 238000001556 precipitation Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 53
- 239000011941 photocatalyst Substances 0.000 claims description 19
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 16
- 239000002121 nanofiber Substances 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 12
- 239000012498 ultrapure water Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- 239000001509 sodium citrate Substances 0.000 claims description 8
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 8
- YKYOUMDCQGMQQO-UHFFFAOYSA-L Cadmium chloride Inorganic materials Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000011534 incubation Methods 0.000 claims description 6
- 238000001291 vacuum drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000012901 Milli-Q water Substances 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 4
- 239000011686 zinc sulphate Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- 239000000835 fiber Substances 0.000 description 10
- 238000007146 photocatalysis Methods 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012046 mixed solvent Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001523 electrospinning Methods 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 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 3
- 229940012189 methyl orange Drugs 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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Abstract
The invention relates to a nanometer photocatalytic material preparation method, in particular relates to a ZnxCdl-xS/TiO2 heterogeneous-structure nanometer photocatalytic material and a hydrothermal precipitation preparation method thereof and belongs to the technical field of composite material preparation. According to the ZnxCdl-xS/TiO2 nanometer photocatalytic material and the hydrothermal precipitation preparation method thereof, the ZnxCdl-xS/TiO2 nanometer photocatalytic material is synthesized through the hydrothermal method; thus, the ZnxCdl-xS/TiO2 nanometer photocatalytic material is simple in preparation technology, good in controllability and high in photocatalytic activity in visual light and ultraviolet light; the catalytic efficiency of the ZnxCdl-xS/TiO2 nanometer photocatalytic material is obviously higher than that of a single ZnxCdl-xS photocatalytic material or a single TiO2 photocatalytic material; meanwhile, the ZnxCdl-xS/TiO2 nanometer photocatalytic material also shows high stability.
Description
Technical field
The invention belongs to technical field of composite preparation is and in particular to a kind of ZnxCd1-xS/TiO2Nano-photocatalyst material
And its preparation.
Background technology
Environmental pollution is currently to affect one of significant problem of human survival and development.Photocatalysis technology is urged by force because it has
Change the features such as activity, high stable performance, low price, environmental friendliness, having extensive market in field of environment pollution control should
Use prospect.High-efficiency photocatalysis material utilizes the performance requirement of solar spectrum very high catalyst, by making full use of solar spectrum
The luminous energy of scope is so as to be absorbed by catalyst as much as possible.Light causes electric charge to efficiently separate, can be quick by detached electric charge
Be delivered to catalyst surface and and pollutant reaction, thus degradation of contaminant concentration.
Semiconductor nano heterojunction photocatalysis material successfully achieves efficiently separating of quantity of photogenerated charge, conventional TiO2Light
Catalyst is a kind of multifunctional semiconductor material, it have stable chemical nature, low cost, nontoxic the features such as.Therefore, with TiO2
Composite for substrate has been widely used in the aspects such as catalyzing oxidizing degrading and the Optical Electro-Chemistry conversion of organic pollution.So
And, TiO2Forbidden band is wider, and the excitation wavelength of its response is 387.5nm, belongs to UV light region, has that to be unable to effectively utilizes visible
The shortcoming of light.Meanwhile, TiO2The probability of recombination in photochemical catalyst light induced electron and hole is high, and quantum efficiency is low.And hetero-junctions is interior
Build electric field and can suppress quantity of photogenerated charge load, improve quantum efficiency, if TiO2Constitute hetero-junctions with narrow-band semiconductor, arrowband half
The sensibilization of conductor can expand TiO2Response spectrum scope.
Therefore, for improving TiO2Utilization rate to sunshine, can pass through the methods such as semiconductors coupling modified to it.CdS has
There is very high photocatalytic activity, photocatalysis Decomposition or degradable organic pollutant can be carried out by excited by visible light, and its structure
Simply, easily prepare.But under ultraviolet-visible light irradiation, CdS easily produces serious photetching phenomenon, affects photocatalytic
Energy.ZnS has good activity because its conduction band positions is high, but is because greater band gap, only has response under ultraviolet light.
However, CdS and ZnS can form ZnxCd1-xS solid solution, the shortcoming that it can solve CdS and ZnS to a certain extent simultaneously.And
And, ZnxCd1-xThe band gap of S solid solution and visible light-responded ability can be with element ratios（X value）Change and change.So
By preparing ZnxCd1-xS/TiO2Heterojunction structure nano-photocatalyst material, can substantially overcome TiO2In photocatalysis and application
In shortcoming, simultaneously solve CdS and ZnS self performance defect, improve TiO2The photocatalysis efficiency of catalysis material.
Zhang Lei etc. discloses a kind of ZnxCd1-xS/TiO2The preparation of hetero-junctions composite fibre and its photocatalysis performance（Chemical industry enters
Exhibition, the 4th phase of volume 32 in 2013）, Zn is successfully prepared by electrostatic spinning and hydro-thermal method combinationxCd1-xS/TiO2Nanofiber；
With pure TiO2Nanofiber is compared, ZnxCd1-xS/TiO2The visible light catalysis activity of nanofiber significantly improves.But its hydro-thermal
Temperature is 200 DEG C, and the hydro-thermal time is 6-36h, and its shortcoming is：Hydrothermal temperature is too high, and energy consumption is larger, operation more inconvenience.
Content of the invention
It is an object of the invention to provide a kind of ZnxCd1-xS/TiO2Nano-photocatalyst material and its preparation.By adjusting hydro-thermal
Temperature can be with effective control ZnxCd1-xS surface topography and x value, when hydrothermal temperature is 90 DEG C, photocatalytic activity is higher.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of ZnxCd1-xS/TiO2The preparation method of nano-photocatalyst material, comprises the following steps：
1）By CdCl2Solution, sodium citrate solution, ZnSO4·7H2O and TiO2Nanofiber is dissolved in ultra-pure water, then will
The ultrasonic 2h of solution makes it be completely dissolved, obtained solution A；
2）Thiourea solution and polyethylene glycol are dissolved in ultra-pure water, ultrasonic disperse to being completely dissolved, obtained solution B；
3）Solution A is heated under 90 DEG C of incubation water heatings, stirs, and be thoroughly mixed with solution B, obtained solution C；
4）Add Ammonia in solution C, adjust pH value of solution to 12, and continuously stirred 3h under 90 DEG C of incubation water heatings
Obtain D liquid；
5）D liquid is centrifuged, precipitation and separation, with milli-Q water 3 ~ 4 times to noresidue impurity, is subsequently placed in vacuum drying chamber
Middle drying, grinds to obtain ZnxCd1-xS/TiO2Nano-photocatalyst material.
Step 1）Middle CdCl2The concentration of solution is 0.02mol/L, and the concentration of sodium citrate solution is 0.5mol/L；CdCl2
Solution, sodium citrate solution, ZnSO4·7H2O、TiO2The amount ratio of nanofiber and ultra-pure water is：15 ml-25 ml:10 ml
-15 ml:0.75 g-1.2 g: 0.1 g -0.15 g:25-40 ml.
Step 2）In, the concentration of thiourea solution is 0.05 mol/L；The amount ratio of thiourea solution, polyethylene glycol and ultra-pure water
For：10 ml-15 ml:1 g-1.5 g:25 ml-40 ml.
Step 4）The concentration of middle Ammonia is 0.4 mol/L.
Step 5）Temperature in middle vacuum drying chamber is 50 DEG C.
The Zn that a kind of preparation method as above is obtainedxCd1-xS/TiO2Nano-photocatalyst material.
TiO used by the present invention2The preparation method of nanofiber is：
（1）Butyl titanate is dissolved in methyl alcohol and alcohol mixed solvent, magnetic agitation is completely molten to butyl titanate at normal temperatures
Solution；Then PVP is added in solution, and continue stirring a period of time, obtain electrospinning precursor solution；Methyl alcohol and alcohol mixed solvent
In, methyl alcohol is 37 with the mass ratio of ethanol:3；
（2）By step（1）The solution being configured is added in the syringe of electric spinning equipment, and metal electrode is deep into front end capillary
Interior, voltage is 12KV, and the speed adjusting syringe pump is 1ml/h；Solution will produce substantial amounts of multiple in the presence of high-voltage electrostatic field
Condensating fiber, and collect composite fibre with aluminium foil；Composite fibre after collection is put in thermostatic drying chamber, 24h is dried under normal temperature.So
Afterwards, take out drying solid and put into the interior calcining 3h, prepared TiO at 510 DEG C of Muffle furnace2Nanofiber, and grind to form fine particle.
The beneficial effects of the present invention is：
The present invention adopts hydro-thermal method to synthesize ZnxCd1-xS/TiO2Nano-photocatalyst material, hydrothermal temperature is only 90 DEG C, condition temperature
With, preparation process is simple, controllability is good, and its photocatalytic activity under visible ray-ultraviolet light is high, and catalytic efficiency is apparently higher than single
ZnxCd1-xS or TiO2Catalysis material, also show very high stability simultaneously.
Specific embodiment
For disclosing further rather than limiting the present invention, below in conjunction with example, the present invention is described in further detail.
Embodiment 1
A kind of ZnxCd1-xS/TiO2The preparation method of nano-photocatalyst material, concretely comprises the following steps：
Step 1）2.0g butyl titanate is taken to be dissolved in 25ml methyl alcohol and alcohol mixed solvent（Mass fraction is than for 37:3）, normal
The lower magnetic agitation of temperature is completely dissolved to butyl titanate.Then 1.5gPVP is added in solution, and continue to stir 30 min, obtain
Electrospinning precursor solution；
Step 2）By step 1）The solution being configured is added in the syringe of electric spinning equipment, and metal electrode is deep into front end capillary
In pipe, voltage is 12KV, and the speed adjusting syringe pump is 1ml/h；Solution will produce substantial amounts of in the presence of high-voltage electrostatic field
Composite fibre, and collect composite fibre with aluminium foil；Composite fibre after collection is put in thermostatic drying chamber, 18h is dried under normal temperature；
Then, take out drying solid and put into the interior calcining 2.5h at 500 DEG C of Muffle furnace；Prepared TiO2Nanofiber, and grind to form tiny
Particle；
Step 3）Take the CdCl that 15ml concentration is 0.02mol/L2Solution, 10ml concentration be 0.5mol/L sodium citrate,
0.75gZnSO4·7H2O and step 2）The tiny TiO of prepared 0.1g2Nanofiber is dissolved in 25ml ultra-pure water；Then, will be molten
Liquid is placed in 2h under ultrasonic wave makes it be completely dispersed dissolving, obtained solution A；
Step 4）By 10ml concentration be 0.05mol/L thiocarbamide and 1gPEG is dissolved in 25ml ultra-pure water, is placed under ultrasonic wave completely
Dispersing and dissolving, and mix, obtained solution B；
Step 5）Solution A is heated under 90 DEG C of incubation water heatings, stirs, and be thoroughly mixed with solution B, obtained solution C；
Step 6）Concentration is added to be 0.4mol/L Ammonia in solution C, regulation pH value of solution to 12, and in 90 DEG C of constant temperature
D liquid is obtained after continuously stirred 3h under hydro-thermal；
Step 7）After reaction terminates, solution D centrifugation is precipitated, with milli-Q water 3 times to noresidue impurity, be subsequently placed in
It is dried in 50 DEG C of vacuum drying chambers, grind to obtain ZnxCd1-xS/TiO2Nano-photocatalyst material；Wherein x value is 0.6.
It is 98% to the clearance of methyl orange organic solution in 6 minutes.Can be used repeatedly.
Embodiment 2
A kind of ZnxCd1-xS/TiO2The preparation method of nano-photocatalyst material, concretely comprises the following steps：
Step 1）2.5g butyl titanate is taken to be dissolved in 30ml methyl alcohol and alcohol mixed solvent（Mass fraction is than for 37:3）, normal
The lower magnetic agitation of temperature is completely dissolved to butyl titanate；Then 2.0gPVP is added in solution, and continue stirring a period of time, obtain
To electrospinning precursor solution；
Step 2）By step 1）The solution being configured is added in the syringe of electric spinning equipment, and metal electrode is deep into front end capillary
In pipe, voltage is 12KV, and the speed adjusting syringe pump is 1ml/h；Solution will produce substantial amounts of in the presence of high-voltage electrostatic field
Composite fibre, and collect composite fibre with aluminium foil；Composite fibre after collection is put in thermostatic drying chamber, 24h is dried under normal temperature；
Then, take out drying solid and put into the interior calcining 3h at 500 DEG C of Muffle furnace.Prepared TiO2Nanofiber, and grind to form tiny
Grain；
Step 3）Take the CdCl that 25ml concentration is 0.02mol/L2Solution, 15ml concentration be 0.5mol/L sodium citrate,
1.2gZnSO4·7H2The tiny TiO of 0.15g that O and step 2 are obtained2Nanofiber is dissolved in 40ml ultra-pure water；Then, will be molten
Liquid is placed in 2h under ultrasonic wave makes it be completely dispersed dissolving, obtained solution A；
Step 4）By 15ml concentration be 0.05mol/L thiocarbamide and 1.5gPEG is dissolved in 40ml ultra-pure water, is placed in complete under ultrasonic wave
Full dispersing and dissolving, and mix, obtained solution B；
Step 5）Solution A is heated under 90 DEG C of incubation water heatings, stirs, and be thoroughly mixed with solution B, obtained solution C；
Step 6）Concentration is added to be 0.4mol/L Ammonia in solution C, regulation pH value of solution to 12, and in 90 DEG C of constant temperature
D liquid is obtained after continuously stirred 3h under hydro-thermal；
Step 7）After reaction terminates, solution D centrifugation is precipitated, with milli-Q water 4 times to noresidue impurity, be subsequently placed in
It is dried in 50 DEG C of vacuum drying chambers, grind to obtain ZnxCd1-xS/TiO2Nano-photocatalyst material；X value is 0.5.
It is 88% to the clearance of methyl orange organic solution in 6 minutes, the clearance to methyl orange organic solution in 9 minutes
For 97%.Can be used repeatedly.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (6)
1. a kind of ZnxCd1-xS/TiO2The preparation method of nano-photocatalyst material it is characterised in that：Comprise the following steps：
1）By CdCl2Solution, sodium citrate solution, ZnSO4·7H2O and TiO2Nanofiber is dissolved in ultra-pure water, then will be molten
The ultrasonic 2h of liquid makes it be completely dissolved, obtained solution A；
2）Thiourea solution and polyethylene glycol are dissolved in ultra-pure water, ultrasonic disperse to being completely dissolved, obtained solution B；
3）Solution A is heated under 90 DEG C of incubation water heatings, stirs, and be thoroughly mixed with solution B, obtained solution C；
4）Add Ammonia in solution C, adjust pH value of solution to 12, and continuously stirred 3h under 90 DEG C of incubation water heatings
Obtain D liquid；
5）D liquid is centrifuged, precipitation and separation, with milli-Q water 3 ~ 4 times to noresidue impurity, is subsequently placed in vacuum drying chamber
Middle drying, grinds to obtain ZnxCd1-xS/TiO2Nano-photocatalyst material.
2. Zn according to claim 1xCd1-xS/TiO2The preparation method of nano-photocatalyst material it is characterised in that：Step
1）Middle CdCl2The concentration of solution is 0.02mol/L, and the concentration of sodium citrate solution is 0.5mol/L；CdCl2Solution, sodium citrate
Solution, ZnSO4·7H2O、TiO2The amount ratio of nanofiber and ultra-pure water is：15 ml-25 ml:10 ml -15 ml:0.75
g-1.2 g: 0.1 g -0.15 g:25-40 ml.
3. Zn according to claim 1xCd1-xS/TiO2The preparation method of nano-photocatalyst material it is characterised in that：Step
2）In, the concentration of thiourea solution is 0.05 mol/L；The amount ratio of thiourea solution, polyethylene glycol and ultra-pure water is：10 ml-15
ml:1 g-1.5 g:25 ml-40 ml.
4. Zn according to claim 1xCd1-xS/TiO2The preparation method of nano-photocatalyst material it is characterised in that：Step
4）The concentration of middle Ammonia is 0.4 mol/L.
5. Zn according to claim 1xCd1-xS/TiO2The preparation method of nano-photocatalyst material it is characterised in that：Step
5）Temperature in middle vacuum drying chamber is 50 DEG C.
6. the Zn that the preparation method as described in a kind of any one as claim 1-5 is obtainedxCd1-xS/TiO2Nano-photocatalyst material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622015A (en) * | 2018-12-14 | 2019-04-16 | 哈尔滨理工大学 | A kind of preparation method of cadmium doped zinc sulphide/carbonitride |
| CN110064346A (en) * | 2019-05-21 | 2019-07-30 | 华南理工大学 | A kind of titanium dioxide/zinc-cadmium sulfide graphene aerogel and the preparation method and application thereof |
| CN111111695A (en) * | 2019-12-12 | 2020-05-08 | 电子科技大学 | Three-dimensional flower-shaped zinc-sulfur-cadmium photocatalytic material and preparation method and application thereof |
| CN112973732A (en) * | 2021-02-25 | 2021-06-18 | 西安交通大学 | In2O3/Zn0.8Cd0.2Preparation method of S photocatalytic nano reactor |
| CN113385193A (en) * | 2021-04-28 | 2021-09-14 | 宁波工程学院 | CdZnS ultrafine nanoparticle loaded In2O3Spindle-shaped nanorod composite material and preparation method and application thereof |
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| CN104028285A (en) * | 2014-05-17 | 2014-09-10 | 北京工业大学 | Preparation method of Cu2ZnSnS4/La2Ti2O7 heterojunction photocatalytic composite material |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622015A (en) * | 2018-12-14 | 2019-04-16 | 哈尔滨理工大学 | A kind of preparation method of cadmium doped zinc sulphide/carbonitride |
| CN110064346A (en) * | 2019-05-21 | 2019-07-30 | 华南理工大学 | A kind of titanium dioxide/zinc-cadmium sulfide graphene aerogel and the preparation method and application thereof |
| CN111111695A (en) * | 2019-12-12 | 2020-05-08 | 电子科技大学 | Three-dimensional flower-shaped zinc-sulfur-cadmium photocatalytic material and preparation method and application thereof |
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