CN107978459A - Based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film - Google Patents
Based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film Download PDFInfo
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- CN107978459A CN107978459A CN201610919963.0A CN201610919963A CN107978459A CN 107978459 A CN107978459 A CN 107978459A CN 201610919963 A CN201610919963 A CN 201610919963A CN 107978459 A CN107978459 A CN 107978459A
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- nanometer rods
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- 239000002105 nanoparticle Substances 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910000108 silver(I,III) oxide Inorganic materials 0.000 title claims abstract description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000243 solution Substances 0.000 claims abstract description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000005119 centrifugation Methods 0.000 claims abstract description 5
- 238000002604 ultrasonography Methods 0.000 claims abstract description 5
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(I) nitrate Inorganic materials [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000010936 titanium Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- -1 Hydroxyl radical free radical Chemical class 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2036—Light-sensitive devices comprising an oxide semiconductor electrode comprising mixed oxides, e.g. ZnO covered TiO2 particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Hybrid Cells (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses one kind to be based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film, including：S1, by Ti (OC4H9)4Solution is added in ethanol solution, and is stirred under magnetic fields, obtains presoma；S2, by presoma by centrifugation after, cleaned using ultrasound, under the conditions of 300~400 DEG C calcine 1~10h, obtain TiO2Nano particle；S3, reacted by low-temperature hydrothermal, in TiO2Ag is grown in the hole of nanometer particle film2O nanometer rods, obtain Ag2O nanometer rods/TiO2Nanoparticle composite film.The Ag of the present invention2O nanometer rods/TiO2Nanoparticle composite film, can both retain TiO2The advantages of nano particle specific surface area is greatly and electron injection efficiency is high, and TiO can be made up2The shortcomings that nanoparticle three-dimensional net structure electrons spread transmission rate is slow, can be widely applied to the technical fields such as dye-sensitized solar cells, can significantly improve photoelectric conversion efficiency.
Description
Technical field
The present invention relates to semiconductor light-catalyst technical field, and Ag is based on more particularly to one kind2O nanometer rods/TiO2Nanometer
The preparation method of Particles dispersed film.
Background technology
With expanding economy, water pollution situation is serious all the more, and photocatalysis technology is at waste water developed in recent years
Reason technology.Photochemical catalyst is the material for causing catalytic reaction under light irradiation, and by light-catalyzed reaction, generation has Strong oxdiative ability
Hydroxyl radical free radical and super oxonium ion, come decomposing organic pollutant matter of degrading.
Titanium dioxide (TiO2) it is a kind of most extensive semiconductor light-catalyst, it is widely used in photocatalysis field.
But TiO2Greater band gap, can only show photochemical activity in ultra-violet (UV) band of the wavelength less than 378nm, while its photoelectron and hole hold
Easily occur it is compound, so as to reduce photocatalysis efficiency.
TiO2Nano material such as nano wire, nanotube, can be with than the surface area and volume ratio that common nanoparticle has higher
Of a relatively high avtive spot density is provided, be conducive to surface reaction occur and sensitizer load, and one-dimensional make its
Photo-generated carrier is separated possesses faster charge carrier transport speed with transfer device application.Also just because of these are excellent
Gesture, nano-TiO2Synthesis obtain it is continual concern and break through, this has also pushed directly on TiO2The extensive use of material.
By TiO2Laminated film prepared by nano particle can be widely applied to the technical fields such as dye-sensitized solar cells,
But its photoelectric conversion efficiency is generally relatively low.
Therefore, in view of the above-mentioned problems, being necessary to propose that one kind is based on Ag2O nanometer rods/TiO2Nanoparticle composite film
Preparation method.
The content of the invention
In view of this, the present invention provides one kind to be based on Ag2O nanometer rods/TiO2The preparation side of nanoparticle composite film
Method.
In order to realize foregoing invention purpose, the present invention provides one kind and is based on Ag2O nanometer rods/TiO2Nanoparticle composite film
Preparation method, the preparation method includes：
S1, by Ti (OC4H9)4Solution is added in ethanol solution, and is stirred under magnetic fields, obtains presoma；
S2, by presoma by centrifugation after, cleaned using ultrasound, under the conditions of 300~400 DEG C calcine 1~
10h, obtains TiO2Nano particle；
S3, reacted by low-temperature hydrothermal, in TiO2Ag is grown in the hole of nanometer particle film2O nanometer rods, obtain Ag2O
Nanometer rods/TiO2Nanoparticle composite film.
As a further improvement on the present invention, Ti (OC in the step S14H9)4The molal volume of solution and ethanol solution
The ratio between be 1：50~1:100.
As a further improvement on the present invention, calcining heat is 350 DEG C in the step S2, calcination time 8h.
As a further improvement on the present invention, the solution that low-temperature hydrothermal reaction uses in the step S3 is AgNO3It is water-soluble
Liquid, reaction temperature are 60~80 DEG C, and the reaction time is 20~30h.
Compared with prior art, the beneficial effects of the invention are as follows：
The Ag of the present invention2O nanometer rods/TiO2Nanoparticle composite film, can both retain TiO2Nano particle specific surface area
The advantages of big and electron injection efficiency is high, and TiO can be made up2Nanoparticle three-dimensional net structure electrons spread transmission rate is slow
The shortcomings that, the technical fields such as dye-sensitized solar cells are can be widely applied to, photoelectric conversion efficiency can be significantly improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in invention, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is to be based on Ag in the present invention2O nanometer rods/TiO2The flow signal of the preparation method of nanoparticle composite film
Figure.
Embodiment
The technical solution in the embodiment of the present invention will be described in detail below, it is clear that described embodiment is only
Only it is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained on the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Join shown in Fig. 1, it is a kind of in the present invention to be based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film, bag
Include：
S1, by Ti (OC4H9)4Solution is added in ethanol solution, and is stirred under magnetic fields, obtains presoma；
S2, by presoma by centrifugation after, cleaned using ultrasound, under the conditions of 300~400 DEG C calcine 1~
10h, obtains TiO2Nano particle；
S3, reacted by low-temperature hydrothermal, in TiO2Ag is grown in the hole of nanometer particle film2O nanometer rods, obtain Ag2O
Nanometer rods/TiO2Nanoparticle composite film.
Specifically, in a preferred embodiment, based on Ag2O nanometer rods/TiO2The system of nanoparticle composite film
Preparation Method, the preparation method include：
S1, by Ti (OC4H9)4Solution is added in ethanol solution, Ti (OC4H9)4The molal volume of solution and ethanol solution it
Than for 1：50~1:100, and stirred under magnetic fields, obtain presoma；
S2, by presoma by centrifugation after, cleaned using ultrasound, calcine 8h under the conditions of 350 DEG C, obtain
TiO2Nano particle；
S3, reacted by low-temperature hydrothermal, and the solution that low-temperature hydrothermal reaction uses is AgNO3Aqueous solution, reaction temperature 60
~80 DEG C, the reaction time is 20~30h, in TiO2Ag is grown in the hole of nanometer particle film2O nanometer rods, obtain Ag2O nanometers
Rod/TiO2Nanoparticle composite film.
As can be seen from the above technical solutions, Ag of the invention2O nanometer rods/TiO2Nanoparticle composite film, both can be with
Retain TiO2The advantages of nano particle specific surface area is greatly and electron injection efficiency is high, and TiO can be made up2Nanoparticle three-dimensional net
The shortcomings that shape structure electrical diffusion transport speed is slow, can be widely applied to the technical fields such as dye-sensitized solar cells, can
Significantly improve photoelectric conversion efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solution in each embodiment can also be closed through appropriate, and forming those skilled in the art can
With the other embodiment of understanding.
Claims (4)
1. one kind is based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film, it is characterised in that the preparation side
Method includes：
S1, by Ti (OC4H9)4Solution is added in ethanol solution, and is stirred under magnetic fields, obtains presoma；
S2, by presoma by centrifugation after, cleaned using ultrasound, under the conditions of 300~400 DEG C calcine 1~10h,
Obtain TiO2Nano particle；
S3, reacted by low-temperature hydrothermal, in TiO2Ag is grown in the hole of nanometer particle film2O nanometer rods, obtain Ag2O nanometers
Rod/TiO2Nanoparticle composite film.
2. preparation method according to claim 1, it is characterised in that Ti (OC in the step S14H9)4Solution and ethanol
The ratio between molal volume of solution is 1：50~1:100.
3. preparation method according to claim 1, it is characterised in that calcining heat is 350 DEG C in the step S2, calcining
Time is 8h.
4. preparation method according to claim 1, it is characterised in that low-temperature hydrothermal reaction uses molten in the step S3
Liquid is AgNO3Aqueous solution, reaction temperature are 60~80 DEG C, and the reaction time is 20~30h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919963.0A CN107978459A (en) | 2016-10-21 | 2016-10-21 | Based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919963.0A CN107978459A (en) | 2016-10-21 | 2016-10-21 | Based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107978459A true CN107978459A (en) | 2018-05-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610919963.0A Pending CN107978459A (en) | 2016-10-21 | 2016-10-21 | Based on Ag2O nanometer rods/TiO2The preparation method of nanoparticle composite film |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254704A (en) * | 2011-05-06 | 2011-11-23 | 海南科技职业学院 | Dye sensitized noble metal deposited titanium dioxide light anode and preparation method thereof |
| CN103456511A (en) * | 2012-06-04 | 2013-12-18 | 中国石油大学(华东) | Post-embedding method for preparing ZnO nanorod/TiO2 nano-particle composite film |
| CN103611531A (en) * | 2013-12-16 | 2014-03-05 | 长春工业大学 | Preparation method and application of silver oxide/titanium dioxide composite nanofiber photocatalyst |
| CN105457504A (en) * | 2015-12-31 | 2016-04-06 | 杭州市特种设备检测研究院 | Novel titanium dioxide nano-particle/polymer hybrid membrane and preparation method thereof |
-
2016
- 2016-10-21 CN CN201610919963.0A patent/CN107978459A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254704A (en) * | 2011-05-06 | 2011-11-23 | 海南科技职业学院 | Dye sensitized noble metal deposited titanium dioxide light anode and preparation method thereof |
| CN103456511A (en) * | 2012-06-04 | 2013-12-18 | 中国石油大学(华东) | Post-embedding method for preparing ZnO nanorod/TiO2 nano-particle composite film |
| CN103611531A (en) * | 2013-12-16 | 2014-03-05 | 长春工业大学 | Preparation method and application of silver oxide/titanium dioxide composite nanofiber photocatalyst |
| CN105457504A (en) * | 2015-12-31 | 2016-04-06 | 杭州市特种设备检测研究院 | Novel titanium dioxide nano-particle/polymer hybrid membrane and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| FEITAI CHEN等: ""Enhanced adsorption and photocatalytic degradation of high-concentration methylene blue on Ag2O-modified TiO2-based nanosheet"", 《CHEMICAL ENGINEERING JOURNAL》 * |
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