CN105772030A - Preparation method of efficient composite photocatalytic material - Google Patents
Preparation method of efficient composite photocatalytic material Download PDFInfo
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- CN105772030A CN105772030A CN201610176518.XA CN201610176518A CN105772030A CN 105772030 A CN105772030 A CN 105772030A CN 201610176518 A CN201610176518 A CN 201610176518A CN 105772030 A CN105772030 A CN 105772030A
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- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 230000001699 photocatalysis Effects 0.000 title abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000243 solution Substances 0.000 claims abstract description 44
- 238000003756 stirring Methods 0.000 claims abstract description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920002415 Pluronic P-123 Polymers 0.000 claims abstract description 14
- APQHKWPGGHMYKJ-UHFFFAOYSA-N Tributyltin oxide Chemical compound CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC APQHKWPGGHMYKJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 229920000428 triblock copolymer Polymers 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 24
- 229910052980 cadmium sulfide Inorganic materials 0.000 claims description 15
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 12
- 238000006555 catalytic reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000004408 titanium dioxide Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000006227 byproduct Substances 0.000 claims description 6
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Chemical compound [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 238000009415 formwork Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003916 acid precipitation Methods 0.000 abstract description 2
- 230000008033 biological extinction Effects 0.000 abstract description 2
- 238000004162 soil erosion Methods 0.000 abstract description 2
- 238000003911 water pollution Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000003980 solgel method Methods 0.000 abstract 1
- 238000009210 therapy by ultrasound Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 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 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 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
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910021649 silver-doped titanium dioxide Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- B01J35/39—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
- B01J37/036—Precipitation; Co-precipitation to form a gel or a cogel
Abstract
The invention discloses a preparation method of an efficient composite photocatalytic material. The preparation method comprises the following steps: weighing 1.0g of triblock copolymer pluronic P123, dissolving into 15ml of absolute ethyl alcohol, stirring for 0.5h at room temperature, performing ultrasonic treatment for 10min, at the meantime dropwise adding 3.2ml of concentrated hydrochloric acid into 4.g of tetra-n-butyl titanate (TBOT) solution and adding xgCd (NO3)2.4H2O, enabling mass ratio of obtained CdO and TiO2 to be 1%, 2%, 4% and 8% respectively, stirring P123 and EtOH mixed solution for 0.5h and mixing with the above solution, and vigorously stirring at room temperature for at least 3h. According to the preparation method, a sol-gel method is adopted to dope CdS and Ag step by step to improve activity of TiO2 so as to solve the problems of environmental pollution and ecological damage, such as water pollution, atmospheric pollution, urban waste pollution, acid rain, ozone depletion, water loss and soil erosion, species extinction and sharp decline in biodiversity.
Description
Technical field
The preparation method that the present invention relates to a kind of inorganic catalysis material, the preparation method particularly relating to a kind of high efficiency composition catalysis material.
Background technology
The advantages such as TiO2 is because of all organic substances to human body or bad environmental of decomposable asymmetric choice net and photochemical stability is good, nontoxic and good with human compatibility, and photocatalytic activity is high, oxidability is strong, inexpensive and paid attention to most.In improving quasiconductor catalysis activity, the photocatalyst of metal or metal-oxide and semiconductors coupling composition develops very fast, the present invention is by adding cadmium sulfide and silver in titanium dioxide, make this composite have excellent photocatalysis performance, prepare the catalysis material that combination property is superior.
Summary of the invention
The preparation method that it is an object of the invention to provide a kind of high efficiency composition catalysis material, the present invention is by adding cadmium sulfide and silver in titanium dioxide, making this composite have excellent photocatalysis performance, prepare the catalysis material that combination property is superior.This composite photocatalyst material has that the unrivaled speed of biodegradation institute is fast, non-selectivity, the degraded advantage such as completely, again inexpensive, nontoxic, traditional chemical oxidation method can be substantially better than in life-time service etc., have broad application prospects in environmental pollution improvement, and can effectively be easily separated recovery and regeneration cycle use.
The present invention is through the following steps that realize:
1, weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min, meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds xgCd (NO3)2·4H2O, makes the CdO/TiO prepared2Mass ratio respectively 1%, 2%, 4%, 8%, P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
2, being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
3, become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
4, grinding afterwards, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 90 DEG C 100 DEG C, and pH regulator, 11 12, refluxes complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
5, gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
6, a certain amount of Na is used2S·9H2O is made into 100mlNa2S solution, described a certain amount of Na2S·9H2O is made into 100mlNa2S solution is that molal quantity is determined according to Cd (NO3) the 2 4H2O amount added, and weighs the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared2, it is dispersed in 100mlNa2In S solution, stirring 6h under room temperature energetically, last sucking filtration, by gained powder at 80 DEG C of dry 12h；
7,0.3g above-mentioned made CdS/TiO2,0.0094gAgNO are weighed3It is added in there-necked flask, described 0.0094gAgNO3For making Ag/CdO/TiO2Mass ratio be 2%, be simultaneously introduced 45mlH2O and 5mlCH3OH, by above-mentioned solution high-purity Ar or N2O is gone out in purification2, after purifying 30min, open UV, visible light light source and irradiate 1h, be then centrifuged for and will be deposited in 80 DEG C of dry 12h and obtain silver-colored/cadmium sulfide/titanic oxide composite photochemical catalyst material.
The solution have the advantages that: the energy gap of TiO2 is 3.2eV, need the energy ultraviolet light (wavelength is less than 380nm) more than 3.2eV that it just can be made to excite generation light induced electron one hole pair, therefore the response of visible ray is low, causing solar energy utilization ratio low (only utilizing the ultraviolet portion of about 3-5%), the quick compound of light induced electron and photohole greatly reduces TiO simultaneously2Light-catalysed quantum efficiency, directly influences TiO2The catalysis activity of photocatalyst, therefore, the quantum efficiency and the photocatalytic activity that improve photocatalyst become the core content that photocatalysis is studied, the present invention improves the activity of TiO2 by adulterate CdS, Ag of sol-gal process substep, thus solving environmental pollution and ecological disruption, such as the problem that water pollution, atmospheric pollution, urban refuse pollution, acid rain, depletion of the ozone layer, soil erosion, species extinction and bio-diversity fall sharply.
Accompanying drawing explanation
Fig. 1 is the design sketch of light degradation property of the present invention test.
In the drawings, C0: represent the initial concentration of methyl orange solution；Ct: represent the concentration of the methyl orange solution in a certain moment.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing embodiment to be had the advantage that, it is intended to help reader to be more fully understood that the essence of the present invention, but the enforcement of the present invention and protection domain can not be constituted any restriction.
Embodiment 1
(1) weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min.Meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds 0.0254gCd (NO3)2·4H2O (makes the CdO/TiO prepared2Mass ratio be 1%).P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
(2) being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
(3) become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
(4) grinding after, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 125 DEG C, and pH regulator is 11 12.Refluxing complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
(5) last, gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
(6) the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared is weighed2, it is dispersed in 100ml (claiming 0.0175g to be made into 100ml solution) Na2S·9H2In O solution, under room temperature, stir 6h energetically.Last sucking filtration, by gained powder at 80 DEG C of dry 12h, makes 1%CdS/TiO2.
Embodiment 2
(1) weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min.Meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds 0.0451gCd (NO3)2·4H2O (makes the CdO/TiO prepared2Mass ratio be 2%).P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
(2) being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
(3) become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
(4) grinding after, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 125 DEG C, and pH regulator is 11 12.Refluxing complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
(5) last, gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
(6) the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared is weighed2, it is dispersed in 100ml (claiming 0.0351g to be made into 100ml solution) Na2S·9H2In O solution, under room temperature, stir 6h energetically.Last sucking filtration, by gained powder at 80 DEG C of dry 12h, makes 2%CdS/TiO2.
Embodiment 3
(1) weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min.Meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds 0.0901gCd (NO3)2·4H2O (makes the CdO/TiO prepared2Mass ratio be 4%).P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
(2) being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
(3) become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
(4) grinding after, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 125 DEG C, and pH regulator, 11 12, refluxes complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
(5) last, gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
(6) the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared is weighed2, it is dispersed in 100ml (claiming 0.0702g to be made into 100ml solution) Na2S·9H2In O solution, under room temperature, stir 6h energetically.Last sucking filtration, by gained powder at 80 DEG C of dry 12h, makes 4%CdS/TiO2.
Embodiment 4
(1) weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min.Meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds 0.1803gCd (NO3)2·4H2O (makes the CdO/TiO prepared2Mass ratio be 8%).P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
(2) being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
(3) become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
(4) grinding after, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 125 DEG C, and pH regulator is 11 12.Refluxing complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
(5) last, gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
(6) the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared is weighed2, it is dispersed in 100ml (claiming 0.1404g to be made into 100ml solution) Na2S·9H2In O solution, under room temperature, stir 6h energetically.Last sucking filtration, by gained powder at 80 DEG C of dry 12h, makes 8%CdS/TiO2.
Because the effect of 2%CdS/TiO2 is best in four percentage ratios.So weighing 0.3g2%CdS/TiO2 and 0.0094gAgNO again3(make Ag/TiO2Mass ratio be 2%) be added in there-necked flask, be simultaneously introduced 45mlH2O and 5mlCH3OH.By above-mentioned solution high-purity Ar or N2O is gone out in purification2, after purifying 30min, open UV, visible light light source and irradiate 1h.It is then centrifuged for and will be deposited in 80 DEG C of dried overnight and obtain silver-colored/cadmium sulfide/titanic oxide composite photochemical catalyst material.
Taking the 2%Ag/2%CdS/TiO2 prepared by 50mg to join and do light degradation property test in the methyl orange solution of 50ml10ppm, design sketch is with reference to accompanying drawing 1.
Embodiment described above is only that the preferred embodiment of the present invention is described; not the scope of the present invention is defined; under the premise designing spirit without departing from the present invention; various deformation that technical scheme is made by those of ordinary skill in the art and improvement, all should fall in the protection domain that claims of the present invention is determined.
Claims (1)
1. the preparation method of a high efficiency composition catalysis material, it is characterised in that realized by following steps:
(1) weigh the triblock copolymer pluronic P123 of 1.0g, be dissolved in 15ml dehydrated alcohol, under room temperature, stir 0.5h, then supersound process 10min, meanwhile, the concentrated hydrochloric acid of 3.2ml is added dropwise in the tetra-n-butyl titanate TBOT solution of 4.0g, and adds xgCd (NO3)2·4H2O, makes the CdO/TiO prepared2Mass ratio respectively 1%, 2%, 4%, 8%, P123/EtOH mixed solution mixes with above-mentioned solution after stirring 0.5h, stirs at least 3h under room temperature energetically；
(2) being poured into by the sol solution of synthesis in a unlimited culture dish, keeping ambient humidity, light and temperature was 50% 60%, in left at room temperature 12 days；
(3) become after wet powder until it, at 200 DEG C, calcine 4h carry out rock-steady structure；
(4) grinding after, make powder reflux in ethylenediamine solution 48h, temperature is maintained at 90 DEG C 100 DEG C, and pH regulator, 11 12, refluxes complete, sucking filtration with deionized water wash, by product at 60 DEG C of dry 12h；
(5) gained powder is first ground, then N at 350 DEG C2Middle calcining 3h makes meso-hole structure stable, calcines 2h subsequently and remove organic formwork and improve degree of crystallinity at 500 DEG C in air；
(6) a certain amount of Na is used2S·9H2O is made into 100mlNa2S solution, described a certain amount of Na2S·9H2O is made into 100mlNa2S solution is that molal quantity is determined according to Cd (NO3) the 2 4H2O amount added, and weighs the 0.6g Aska-Rid ./titanium dioxide CdO/TiO prepared2, it is dispersed in 100mlNa2In S solution, stirring 6h under room temperature energetically, last sucking filtration, by gained powder at 80 DEG C of dry 12h；
(7) 0.3g above-mentioned made CdS/TiO2,0.0094gAgNO are weighed3It is added in there-necked flask, described 0.0094gAgNO3For making Ag/CdO/TiO2Mass ratio be 2%, be simultaneously introduced 45mlH2O and 5mlCH3OH, by above-mentioned solution high-purity Ar or N2O is gone out in purification2, after purifying 30min, open UV, visible light light source and irradiate 1h, be then centrifuged for and will be deposited in 80 DEG C of dry 12h and obtain silver-colored/cadmium sulfide/titanic oxide composite photochemical catalyst material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552676A (en) * | 2016-11-24 | 2017-04-05 | 安徽瑞研新材料技术研究院有限公司 | A kind of preparation method of titanium dioxide optical catalytic environment purification material |
| CN109174123A (en) * | 2018-07-27 | 2019-01-11 | 广东工业大学 | A kind of Z-type CdS-Ag-TiO2Composite photocatalyst material and its preparation method and application |
| CN110302805A (en) * | 2019-07-16 | 2019-10-08 | 福建师范大学福清分校 | A kind of single layer composite visible light catalytic material and preparation method thereof |
| CN110420645A (en) * | 2019-07-29 | 2019-11-08 | 西安工程大学 | A kind of photochemical catalyst preparation method with adsorptivity and photocatalysis performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107489A (en) * | 2015-08-25 | 2015-12-02 | 南昌航空大学 | Method for preparing CdS/TiO2 mesoporous composite photocatalytic material |
| CN105363477A (en) * | 2015-10-23 | 2016-03-02 | 南昌航空大学 | Method for preparing silver/cadmium sulfide/titanium dioxide composite photocatalytic material |
-
2016
- 2016-03-25 CN CN201610176518.XA patent/CN105772030A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107489A (en) * | 2015-08-25 | 2015-12-02 | 南昌航空大学 | Method for preparing CdS/TiO2 mesoporous composite photocatalytic material |
| CN105363477A (en) * | 2015-10-23 | 2016-03-02 | 南昌航空大学 | Method for preparing silver/cadmium sulfide/titanium dioxide composite photocatalytic material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106552676A (en) * | 2016-11-24 | 2017-04-05 | 安徽瑞研新材料技术研究院有限公司 | A kind of preparation method of titanium dioxide optical catalytic environment purification material |
| CN109174123A (en) * | 2018-07-27 | 2019-01-11 | 广东工业大学 | A kind of Z-type CdS-Ag-TiO2Composite photocatalyst material and its preparation method and application |
| CN110302805A (en) * | 2019-07-16 | 2019-10-08 | 福建师范大学福清分校 | A kind of single layer composite visible light catalytic material and preparation method thereof |
| CN110302805B (en) * | 2019-07-16 | 2022-06-07 | 福建技术师范学院 | Single-layer composite visible light catalytic material and preparation method thereof |
| CN110420645A (en) * | 2019-07-29 | 2019-11-08 | 西安工程大学 | A kind of photochemical catalyst preparation method with adsorptivity and photocatalysis performance |
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