CN105664974A - Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof - Google Patents
Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof Download PDFInfo
- Publication number
- CN105664974A CN105664974A CN201610111505.4A CN201610111505A CN105664974A CN 105664974 A CN105664974 A CN 105664974A CN 201610111505 A CN201610111505 A CN 201610111505A CN 105664974 A CN105664974 A CN 105664974A
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- belts
- dioxide nano
- photocatalyst
- preparation
- 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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 186
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 93
- 239000002127 nanobelt Substances 0.000 title claims abstract description 89
- 229910052946 acanthite Inorganic materials 0.000 title claims abstract description 63
- 229940056910 silver sulfide Drugs 0.000 title claims abstract description 63
- XUARKZBEFFVFRG-UHFFFAOYSA-N silver sulfide Chemical compound [S-2].[Ag+].[Ag+] XUARKZBEFFVFRG-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 34
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 29
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 26
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 10
- 239000011259 mixed solution Substances 0.000 claims description 53
- 239000000243 solution Substances 0.000 claims description 46
- 239000002096 quantum dot Substances 0.000 claims description 8
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 16
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 239000002244 precipitate Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000007146 photocatalysis Methods 0.000 description 9
- 239000002105 nanoparticle Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003054 catalyst Substances 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
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000010748 Photoabsorption Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 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—
-
- B01J35/60—
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The invention provides a silver sulfide/titanium dioxide nanobelt photocatalyst and a preparation method thereof. During the silver sulfide/titanium dioxide nanobelt photocatalyst preparation, firstly, a silver nitrate solution and titanium dioxide are fully dissolved into deionized water to prepare first mixed liquid; then, a sodium sulfide solution is added into the first mixed liquid; the mixture is fully stirred to prepare second mixed liquid; next, the second mixed liquid is put into a hydrothermal reaction kettle for preparing third mixed liquid; next, the third mixed liquid is filtered to obtain precipitates; finally, the precipitates obtained through separation are washed and are subjected to vacuum heat preservation to prepare the silver sulfide/titanium dioxide nanobelt photocatalyst. The prepared silver sulfide/titanium dioxide nanobelt photocatalyst has the advantages that the specific surface area is great; good sunlight full-wave band photocatalytic activity is realized; the utilization rate of light-catalyzed reaction on sunlight is improved; the utilization range of the sunlight is expanded.
Description
Technical field
The present invention relates to photocatalyst and its preparation method, it is specifically related to a kind of silver sulfide/titanium dioxide nano-belts photocatalyst and its preparation method with sunlight all wave band photocatalysis effect.
Background technology
In sunlight spectral distribution, UV-light accounts for the 5% of sunlight total energy, and wherein titanium dioxide is the most typical ultraviolet light catalyst, but its photoabsorption is only only limitted to UV-light district. In solar spectrum, it is seen that the energy of light accounts for 48%, the visible light catalyst such as bismuth tungstate, bismuth molybdate also causes day by day to be studied widely. But, in solar spectrum, account for the near infrared light of total energy 44%, do not have suitable photocatalyst existing effect in fact to be utilized all the time.
One-dimensional titanium dioxide nano belt due to surface can loaded metal and oxide compound etc., day by day become the focus of research. But the photoresponse spectral range expanding titanium dioxide nano-belts is from UV-light light district to visible ray light district, even near infrared light light district, become the problem strengthening titanium dioxide nano-belts photocatalysis effect and being faced and need solution.
Summary of the invention
Can only absorbing the problem of UV-light to solve titanium dioxide optical catalyst in prior art, the present invention provides a kind of silver sulfide/titanium dioxide nano-belts photocatalyst and its preparation method.
The preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst provided by the invention, concrete steps are as follows:
The first step: get silver nitrate solution and titanium dioxide nano-belts, wherein the mol ratio of Silver Nitrate and titanium dioxide nano-belts is 1:5～5:1, silver nitrate solution and titanium dioxide nano-belts is added in deionized water and fully dissolves preparation the first mixed solution.
2nd step: measure sodium sulfide solution, in sodium sulfide solution, in sodium sulphite and silver nitrate solution, the mol ratio of Silver Nitrate is 1:1～1:4; Then the sodium sulfide solution measured is added in the first mixed solution, fully stir preparation the 2nd mixed solution.
3rd step: be placed in hydrothermal reaction kettle by the 2nd mixed solution, reacts 9～11 hours at 89～91 DEG C, preparation the 3rd mixed solution.
4th step: filter the 3rd mixed solution and be precipitated thing, the throw out deionized water wash that will obtain, then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, the silver sulfide/titanium dioxide nano-belts photocatalyst made finally is taken out.
Preferably, in the first step, the titanium dioxide nano-belts length chosen is 40-200nm, and thickness is 30-40nm.
Preferably, in the first step, the mol ratio of described Silver Nitrate and titanium dioxide nano-belts is 1:1.
Preferably, in the 2nd step, in sodium sulfide solution, in sodium sulphite and silver nitrate solution, the mol ratio of Silver Nitrate is 1:2.
Preferably, in the 2nd step, described stirring is magnetic agitation, and churning time is 2 hours.
The present invention also provides a kind of silver sulfide/titanium dioxide nano-belts photocatalyst, described silver sulfide/titanium dioxide nano-belts photocatalyst is produced by above-mentioned preparation method, and in described silver sulfide/titanium dioxide nano-belts photocatalyst, the diameter of the silver sulfide quantum dot of liquid growth is 5～8nm.
The preparation method of above-mentioned a kind of silver sulfide/titanium dioxide nano-belts photocatalyst, operating process is simple, and production cost is low. The silver sulfide obtained by the preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst/titanium dioxide nano-belts photocatalyst, specific surface area is big, can effectively suppress the compound in light induced electron hole, and all there is excellent photocatalysis effect under UV-light, visible ray and near infrared light, possesses good sunlight all wave band photocatalytic activity, energy is photocatalysis degradation organic contaminant rapidly, greatly improving light-catalyzed reaction to the utilization ratio of sunlight, that has widened sunlight utilizes scope.
Accompanying drawing explanation
Fig. 1 is the low power transmission electron microscope picture of silver sulfide/titanium dioxide nano-belts photocatalyst obtained in embodiment 3.
Fig. 2 is the high power transmission electron microscope picture of silver sulfide/titanium dioxide nano-belts photocatalyst obtained in embodiment 3.
Fig. 3 be silver sulfide/titanium dioxide nano-belts photocatalyst obtained in embodiment 3, silver sulfide nano particle and titanium dioxide nano-belts under UV-irradiation to the photocatalytic activity of methyl orange solution and the change curve of time.
Fig. 4 is that the silver sulfide/titanium dioxide nano-belts photocatalyst, silver sulfide nano particle and the titanium dioxide nano-belts that obtain in embodiment 3 are under visible light illumination to the photocatalytic activity of methyl orange solution and the change curve of time.
Fig. 5 be silver sulfide/titanium dioxide nano-belts photocatalyst obtained in embodiment 3, silver sulfide nano particle and titanium dioxide nano-belts under near infrared light to the photocatalytic activity of methyl orange solution and the change curve of time.
Embodiment
Below in conjunction with Fig. 1 to Fig. 5, the present invention is described in detail.
The raw material adopted in following embodiment 1 to embodiment 5 is silver nitrate solution, titanium dioxide nano-belts, sodium sulfide solution and deionized water, and the equipment used has the beaker for mixing, magnetic stirring apparatus, hydrothermal reaction kettle, transmission electron microscope and CEL-SPH2N photocatalytic activity evaluation system. When producing silver sulfide/titanium dioxide nano-belts photocatalyst, first silver nitrate solution and titanium dioxide are fully dissolved in deionized water and prepare the first mixed solution, then add sodium sulfide solution to the first mixed solution and stir preparation the 2nd mixed solution; Subsequently the 2nd mixed solution is put into hydrothermal reaction kettle reaction and produces the 3rd mixed solution; Then the 3rd mixed solution is filtered and it is precipitated thing, the throw out washing also obtained silver sulfide/titanium dioxide nano-belts photocatalyst of vacuum heat-preserving being finally separated to.After taking out obtained silver sulfide/titanium dioxide nano-belts photocatalyst, also need to carry out observation analysis by transmission electron microscope and CEL-SPH2N photocatalytic activity evaluation system.
Embodiment 1
First measure the silver nitrate solution of 1 mole, take the titanium dioxide nano-belts of 5 moles, silver nitrate solution and titanium dioxide nano-belts are added in deionized water and fully dissolve preparation the first mixed solution. Then measure the sodium sulfide solution of 0.5 mole, sodium sulfide solution is added drop-wise in the first mixed solution, subsequently dripped the first mixed solution 2 hours being added with sodium sulfide solution by magnetic agitation, produce the 2nd mixed solution. Then the 2nd mixed solution is placed in hydrothermal reaction kettle, reacts 10 hours at 90 DEG C, preparation the 3rd mixed solution. And then filter the 3rd mixed solution and it is precipitated thing, the throw out deionized water wash that will obtain, again then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, finally take out the silver sulfide/titanium dioxide nano-belts photocatalyst made.
Obtained silver sulfide/titanium dioxide nano-belts the photocatalyst of above-described embodiment 1, the width of described titanium dioxide nano-belts is 40～200nm, and thickness is 30～40nm, and the diameter of the silver sulfide quantum dot of liquid growth on titanium dioxide nano-belts is 5～8nm. Compare with titanium dioxide nano-belts with the silver sulfide nano particle of single structure, tropeolin-D is all had higher photocatalysis efficiency by silver sulfide/titanium dioxide nano-belts photocatalyst under ultraviolet, visible ray, near infrared light, effectively improves the utilising efficiency to sunlight.
Embodiment 2
First measure the silver nitrate solution of 1 mole, take the titanium dioxide nano-belts of 2 moles, silver nitrate solution and titanium dioxide nano-belts are added in deionized water and fully dissolve preparation the first mixed solution. Then measure the sodium sulfide solution of 0.5 mole, sodium sulfide solution is added drop-wise in the first mixed solution, dripped the first mixed solution 2 hours being added with sodium sulfide solution afterwards by magnetic agitation, produce the 2nd mixed solution. Subsequently the 2nd mixed solution is placed in hydrothermal reaction kettle, reacts 10 hours at 90 DEG C, preparation the 3rd mixed solution. Then filter the 3rd mixed solution and it is precipitated thing, the throw out deionized water wash that will obtain, and then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, the silver sulfide/titanium dioxide nano-belts photocatalyst made finally is taken out.
Obtained silver sulfide/titanium dioxide nano-belts the photocatalyst of above-described embodiment 2, the width of described titanium dioxide nano-belts is 40～200nm, and thickness is 30～40nm, and the diameter of the silver sulfide quantum dot of liquid growth on titanium dioxide nano-belts is 5～8nm. Compare with titanium dioxide nano-belts with the silver sulfide nano particle of single structure, tropeolin-D is all had higher photocatalysis efficiency by silver sulfide/titanium dioxide nano-belts photocatalyst under ultraviolet, visible ray, near infrared light, effectively improves the utilising efficiency to sunlight.
Embodiment 3
First measure the silver nitrate solution of 1 mole, take the titanium dioxide nano-belts of 1 mole, silver nitrate solution and titanium dioxide nano-belts are added in deionized water and fully dissolve preparation the first mixed solution. Then measure the sodium sulfide solution of 0.5 mole, sodium sulfide solution is added drop-wise in the first mixed solution, dripped the first mixed solution 2 hours being added with sodium sulfide solution afterwards by magnetic agitation, produce the 2nd mixed solution. Subsequently the 2nd mixed solution is placed in hydrothermal reaction kettle, reacts 10 hours at 90 DEG C, preparation the 3rd mixed solution.Then filter the 3rd mixed solution and it is precipitated thing, the throw out deionized water wash that will obtain, and then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, the silver sulfide/titanium dioxide nano-belts photocatalyst made finally is taken out.
Obtained silver sulfide/titanium dioxide nano-belts the photocatalyst of above-described embodiment 3, as shown in Figure 1, on titanium dioxide nano-belts, liquid phase generates equally distributed silver sulfide quantum dot, and the thickness of titanium dioxide nano-belts is 30～40nm; As shown in Figure 2, the diameter of silver sulfide quantum dot is 5～8nm. By Fig. 3, Fig. 4 and Fig. 5, compare with titanium dioxide nano-belts with the silver sulfide nano particle of single structure, tropeolin-D is all had very high photocatalysis efficiency by silver sulfide/titanium dioxide nano-belts photocatalyst under ultraviolet, visible ray, near infrared light, effectively improves the utilising efficiency to sunlight.
Embodiment 4
First measure the silver nitrate solution of 2 moles, take the titanium dioxide nano-belts of 1 mole, silver nitrate solution and titanium dioxide nano-belts are added in deionized water and fully dissolve preparation the first mixed solution. Then measure the sodium sulfide solution of 1 mole, sodium sulfide solution is added drop-wise in the first mixed solution, dripped the first mixed solution 2 hours being added with sodium sulfide solution afterwards by magnetic agitation, produce the 2nd mixed solution. Subsequently the 2nd mixed solution is placed in hydrothermal reaction kettle, reacts 10 hours at 90 DEG C, preparation the 3rd mixed solution. Then filter the 3rd mixed solution and it is precipitated thing, the throw out deionized water wash that will obtain, and then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, the silver sulfide/titanium dioxide nano-belts photocatalyst made finally is taken out.
Obtained silver sulfide/titanium dioxide nano-belts the photocatalyst of above-described embodiment 4, the width of described titanium dioxide nano-belts is 40～200nm, and thickness is 30～40nm, and the diameter of the silver sulfide quantum dot of liquid growth on titanium dioxide nano-belts is 5～8nm. Compare with titanium dioxide nano-belts with the silver sulfide nano particle of single structure, tropeolin-D is all had very high photocatalysis efficiency by silver sulfide/titanium dioxide nano-belts photocatalyst under ultraviolet, visible ray, near infrared light, effectively improves the utilising efficiency to sunlight.
Embodiment 5
First measure the silver nitrate solution of 2.5 moles, take the titanium dioxide nano-belts of 0.5 mole, silver nitrate solution and titanium dioxide nano-belts are added in deionized water and fully dissolve preparation the first mixed solution. Then measure the sodium sulfide solution of 1.25 moles, sodium sulfide solution is added drop-wise in the first mixed solution, dripped the first mixed solution 2 hours being added with sodium sulfide solution afterwards by magnetic agitation, produce the 2nd mixed solution. Subsequently the 2nd mixed solution is placed in hydrothermal reaction kettle, reacts 10 hours at 90 DEG C, preparation the 3rd mixed solution. Then filter the 3rd mixed solution and it is precipitated thing, the throw out deionized water wash that will obtain, and then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, the silver sulfide/titanium dioxide nano-belts photocatalyst made finally is taken out.
Obtained silver sulfide/titanium dioxide nano-belts the photocatalyst of above-described embodiment 5, the width of described titanium dioxide nano-belts is 40～200nm, and thickness is 30～40nm, and the diameter of the silver sulfide quantum dot of liquid growth on titanium dioxide nano-belts is 5～8nm.Compare with titanium dioxide nano-belts with the silver sulfide nano particle of single structure, tropeolin-D is all had very high photocatalysis efficiency by silver sulfide/titanium dioxide nano-belts photocatalyst under ultraviolet, visible ray, near infrared light, effectively improves the utilising efficiency to sunlight.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and change, remodeling, interpolation or the replacement that those skilled in the art make in the essential scope of the present invention also should belong to protection scope of the present invention.
Claims (6)
1. the preparation method of silver sulfide/titanium dioxide nano-belts photocatalyst, it is characterised in that, concrete steps are as follows:
The first step: get silver nitrate solution and titanium dioxide nano-belts, wherein the mol ratio of Silver Nitrate and titanium dioxide nano-belts is 1:5～5:1, silver nitrate solution and titanium dioxide nano-belts is added in deionized water and fully dissolves preparation the first mixed solution;
2nd step: measure sodium sulfide solution, in sodium sulfide solution, in sodium sulphite and silver nitrate solution, the mol ratio of Silver Nitrate is 1:1～1:4; Then the sodium sulfide solution measured is added in the first mixed solution, fully stir preparation the 2nd mixed solution;
3rd step: be placed in hydrothermal reaction kettle by the 2nd mixed solution, reacts 9～11 hours at 89～91 DEG C, preparation the 3rd mixed solution;
4th step: filter the 3rd mixed solution and be precipitated thing, the throw out deionized water wash that will obtain, then by vacuum heat-preserving 9～11 hours when 59～61 DEG C of the throw out after washing, namely makes silver sulfide/titanium dioxide nano-belts photocatalyst.
2. the preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst as claimed in claim 1, it is characterised in that, in the first step, the titanium dioxide nano-belts length chosen is 40～200nm, and thickness is 30～40nm.
3. the preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst as claimed in claim 1, it is characterised in that, in the first step, the mol ratio of described Silver Nitrate and titanium dioxide nano-belts is 1:1.
4. the preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst as claimed in claim 1, it is characterised in that, in the 2nd step, in sodium sulfide solution, in sodium sulphite and silver nitrate solution, the mol ratio of Silver Nitrate is 1:2.
5. the preparation method of a kind of silver sulfide/titanium dioxide nano-belts photocatalyst as claimed in claim 1, it is characterised in that, in the 2nd step, described stirring is magnetic agitation, and churning time is 2 hours.
6. the silver sulfide produced by preparation method described in claim 1 to 5 any one/titanium dioxide nano-belts photocatalyst, it is characterized in that, in described silver sulfide/titanium dioxide nano-belts photocatalyst, the diameter of the silver sulfide quantum dot of liquid growth is 5～8nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111505.4A CN105664974A (en) | 2016-02-29 | 2016-02-29 | Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111505.4A CN105664974A (en) | 2016-02-29 | 2016-02-29 | Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105664974A true CN105664974A (en) | 2016-06-15 |
Family
ID=56305347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610111505.4A Pending CN105664974A (en) | 2016-02-29 | 2016-02-29 | Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105664974A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233898A (en) * | 2017-07-10 | 2017-10-10 | 苏州科技大学 | Preconcentration with activated carbon collaboration full spectrum light catalysis material and preparation method thereof |
| CN108588130A (en) * | 2018-03-27 | 2018-09-28 | 安徽大学 | A kind of method that bioanalysis prepares titanium dioxide tube based composites |
| CN109126828A (en) * | 2018-09-05 | 2019-01-04 | 中国科学院东北地理与农业生态研究所 | Z-type flower ball-shaped molybdenum disulfide/silver sulfide/silver composite photo-catalyst preparation method and applications |
| CN109295697A (en) * | 2018-09-12 | 2019-02-01 | 武汉纺织大学 | A kind of method that silver sulfide quantum dot composite titanium dioxide colloidal sol handles cotton fabric automatically cleaning |
| CN109433176A (en) * | 2018-11-07 | 2019-03-08 | 山东科技大学 | A kind of titanium dioxide-montmorillonite nanometer complex preparation method of porphyrin functionalization |
| CN110180557A (en) * | 2019-06-12 | 2019-08-30 | 巢湖学院 | A kind of Ag2S/TiO2The preparation method and applications of composite photo-catalyst |
| CN111087011A (en) * | 2019-12-16 | 2020-05-01 | 上海电力大学 | Preparation method of silver sulfide quantum dot and indium-silver sulfide quantum dot nano material and product thereof |
| CN113101947A (en) * | 2021-03-22 | 2021-07-13 | 华南理工大学 | Silver sulfide-reduced graphene oxide-titanium dioxide composite material and preparation method and application thereof |
| CN113813959A (en) * | 2021-09-17 | 2021-12-21 | 盐城工学院 | Preparation method of silver zirconate/titanium dioxide composite photocatalyst, product and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507681A (en) * | 2011-10-21 | 2012-06-20 | 山东大学 | Surface functional double-heterostructural material for titanium dioxide nanobelt and application thereof |
| CN103205760A (en) * | 2013-04-27 | 2013-07-17 | 厦门大学 | Preparation method of Ag2S/TiO2 composite film photo-anode for photoproduction cathode protection |
| CN103272584A (en) * | 2013-06-18 | 2013-09-04 | 山东大学 | Full spectrum photocatalyst and preparation method thereof |
| CN103301834A (en) * | 2013-06-14 | 2013-09-18 | 国家纳米科学中心 | Near infrared light photocatalyst and preparation and application method thereof |
-
2016
- 2016-02-29 CN CN201610111505.4A patent/CN105664974A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507681A (en) * | 2011-10-21 | 2012-06-20 | 山东大学 | Surface functional double-heterostructural material for titanium dioxide nanobelt and application thereof |
| CN103205760A (en) * | 2013-04-27 | 2013-07-17 | 厦门大学 | Preparation method of Ag2S/TiO2 composite film photo-anode for photoproduction cathode protection |
| CN103301834A (en) * | 2013-06-14 | 2013-09-18 | 国家纳米科学中心 | Near infrared light photocatalyst and preparation and application method thereof |
| CN103272584A (en) * | 2013-06-18 | 2013-09-04 | 山东大学 | Full spectrum photocatalyst and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| LEI ZHU ET AL.: "Hydrothermal synthesis and visible light photocatalytic behaviour of Ag2S and Ag2S-TiO2 nanoparticles", 《ASIAN JOURNAL OF CHEMISTRY》 * |
| ZHENGCAO LI ET AL.: "Role of Ag2S coupling on enhancing the visible-light-induced catalytic property of TiO2 nanorod arrays", 《SCIENTIFIC REPORTS》 * |
| ZHU LEI ET AL.: "Hydrothermal synthesis of porous Ag2S sensitized TiO2 catalysts and their photocatalytic activities in the visible light range", 《CHINESE JOURNAL OF CATALYSIS》 * |
| 田健: "基于一维二氧化钛纳米带表面异质结构的太阳光全波段（紫外，可见与近红外）光催化性能研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233898A (en) * | 2017-07-10 | 2017-10-10 | 苏州科技大学 | Preconcentration with activated carbon collaboration full spectrum light catalysis material and preparation method thereof |
| CN108588130B (en) * | 2018-03-27 | 2021-04-13 | 安徽大学 | Method for preparing titanium dioxide tube-based composite material by biological method |
| CN108588130A (en) * | 2018-03-27 | 2018-09-28 | 安徽大学 | A kind of method that bioanalysis prepares titanium dioxide tube based composites |
| CN109126828A (en) * | 2018-09-05 | 2019-01-04 | 中国科学院东北地理与农业生态研究所 | Z-type flower ball-shaped molybdenum disulfide/silver sulfide/silver composite photo-catalyst preparation method and applications |
| CN109126828B (en) * | 2018-09-05 | 2021-07-06 | 中国科学院东北地理与农业生态研究所 | Preparation method and application of Z-shaped flower spherical molybdenum disulfide/silver sulfide/silver composite photocatalyst |
| CN109295697A (en) * | 2018-09-12 | 2019-02-01 | 武汉纺织大学 | A kind of method that silver sulfide quantum dot composite titanium dioxide colloidal sol handles cotton fabric automatically cleaning |
| CN109295697B (en) * | 2018-09-12 | 2020-09-08 | 烟台明远智能家居科技有限公司 | Method for self-cleaning treatment of cotton fabric by silver sulfide quantum dot composite titanium dioxide sol |
| CN109433176A (en) * | 2018-11-07 | 2019-03-08 | 山东科技大学 | A kind of titanium dioxide-montmorillonite nanometer complex preparation method of porphyrin functionalization |
| CN110180557A (en) * | 2019-06-12 | 2019-08-30 | 巢湖学院 | A kind of Ag2S/TiO2The preparation method and applications of composite photo-catalyst |
| CN111087011A (en) * | 2019-12-16 | 2020-05-01 | 上海电力大学 | Preparation method of silver sulfide quantum dot and indium-silver sulfide quantum dot nano material and product thereof |
| CN113101947A (en) * | 2021-03-22 | 2021-07-13 | 华南理工大学 | Silver sulfide-reduced graphene oxide-titanium dioxide composite material and preparation method and application thereof |
| CN113101947B (en) * | 2021-03-22 | 2022-05-24 | 华南理工大学 | Silver sulfide-reduced graphene oxide-titanium dioxide composite material and preparation method and application thereof |
| CN113813959A (en) * | 2021-09-17 | 2021-12-21 | 盐城工学院 | Preparation method of silver zirconate/titanium dioxide composite photocatalyst, product and application thereof |
| CN113813959B (en) * | 2021-09-17 | 2023-12-19 | 盐城工学院 | Preparation method of silver zirconate/titanium dioxide composite photocatalyst, product and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105664974A (en) | Silver sulfide/titanium dioxide nanobelt photocatalyst and preparation method thereof | |
| Jiang et al. | Enhanced visible light photocatalysis of Bi2O3 upon fluorination | |
| CN106914263B (en) | A kind of preparation method of composite visible light catalyst | |
| CN105688940A (en) | Tungsten sulfide nanosheet/titanium dioxide nanobelt composite and preparation method thereof | |
| CN104646039B (en) | A kind of hierarchy BiOI/Bi 2moO 6the preparation method of composite visible light catalyst and application | |
| CN106582595B (en) | A kind of blue TiO2The preparation method of catalyst | |
| Haghighatzadeh et al. | Improved photocatalytic activity of ZnO-TiO2 nanocomposite catalysts by modulating TiO2 thickness | |
| CN104475129B (en) | Low-temperature preparation method of copper sulfide/titanium oxide hetero-junction photocatalyst | |
| Lei et al. | Microstructure and photocatalytic properties of polyimide/heterostructured NiO–Fe 2 O 3–ZnO nanocomposite films via an ion-exchange technique | |
| CN103191725B (en) | BiVO4/Bi2WO6 composite semiconductor material as well as hydrothermal preparation method and application thereof | |
| CN106466604A (en) | A kind of Cu2O/TiO2Composite photocatalyst material and preparation method thereof | |
| CN104108753A (en) | Preparation for visible-light responsible BiVO4 catalyst | |
| CN103272584A (en) | Full spectrum photocatalyst and preparation method thereof | |
| CN103977806B (en) | A kind of photocatalytic degradation material C o dopen Nano ZnO and preparation method thereof | |
| CN102295310A (en) | Preparation method of metal-ion-doped titanium dioxide transparent aqueous sol | |
| CN106799222B (en) | A kind of preparation method of titanium dioxide/niobium acid tin composite nano materials | |
| CN105562034A (en) | CdS/BiVO4 compound semiconductor photocatalyst and preparation and application thereof | |
| CN105457656B (en) | The preparation method and purposes of a kind of heterojunction photocatalyst | |
| CN106975497A (en) | Titanium dioxide nanoplate and copper-zinc-tin-sulfur nano particle hetero-junctions preparation method and application | |
| CN102976401A (en) | Ultrasonic chemical preparation method for nitrogen-doped nano-titanium dioxide crystal | |
| Naseem et al. | Enhanced photocatalytic activity by tuning of structural and optoelectrical properties of Cr (III) incorporated TiO 2 nanoparticles | |
| CN102989485B (en) | S-doped BiVO4 visible light catalytic material and preparation method thereof | |
| Neti et al. | Structural influence of strontium titanate nanocubes for photocatalytic dye degradation and electrochemical applications | |
| CN107597093A (en) | A kind of nano-particles self assemble Chinese herbaceous peony shape La3+Adulterate ZnO and its preparation method and application | |
| Huy et al. | A study on structure, morphology, optical properties, and photocatalytic ability of SrTiO3/TiO2 granular composites |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |