CN103693675A - Method for preparing paper-based zinc oxide (ZnO) nano-wires - Google Patents
Method for preparing paper-based zinc oxide (ZnO) nano-wires Download PDFInfo
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Abstract
The invention discloses a method for preparing paper-based zinc oxide (ZnO) nano-wires, belonging to the field of preparation of inorganic nano-materials. The method comprises the steps of preparing a base, preparing a precursor solution, preparing a substrate and growing ZnO nano-wires. The method has the characteristics that paper is selected as a base material, so that the nano-wires have the advantages of rich raw materials, low cost, easiness in folding, degradability and the like; moreover, the reaction temperature is relatively low (95 DEG C), so that the experimental conditions are easily met; any dispersant, complexing agent or surfactant is not used during preparation, so that no pollution to the environment is caused. According to the method, the reaction raw materials are cheap, the after-treatment is relatively simple, and pollution can not be caused, so that the method disclosed by the invention has the advantages of simplicity in operation, low cost and the like; a foundation for preparation of ZnO nano-wire based paper-based electronic devices is laid.
Description
Technical field
The present invention relates to a kind of preparation method of paper substrate zinc oxide nanowire, belong to the preparation field of inorganic nano material.
Background technology
Zinc oxide (ZnO) is a kind of oxide semiconductor with larger energy gap (3.37 eV), exciton bind energy is up to 60 meV, the nano zinc oxide material of having prepared at present different shape, comprises zinc oxide nano-particle, nano wire, nano belt, nano-rings, nanotube, nanocages and nano bowl etc.Wherein there is the peculiar electricity and the optical property that compared with the zinc oxide nanowire of big L/D ratio, show, make it aspect low pressure and short-wavelength light electron device, there is potential using value, as photodiode and diode laser, solar cell, transparent conductive material, ultraviolet light detector, field effect transistor, gas sensor, voltage sensitive sensor, biosensor and fluorescent device etc.So wide application prospect, makes its preparation method and performance study be subject to paying close attention to widely and paying attention to.The preparation method of the zinc oxide nanowire of report mainly contains at present: catalytic growth method, chemical Vapor deposition process, physical vaporous deposition, self-assembly method, low temperature chemical vapor deposition method, metal organic chemistry vapour phase deposition process, metal organic vapor growth method and sol-gel method etc.Generally speaking, aforesaid method instrument is expensive, synthesis condition is harsh or output is few.And after going template with the product of template synthesis, pattern is difficult to keep complete.
Summary of the invention
For the problem of current existence, the invention provides a kind of preparation method of simple, cheap paper substrate zinc oxide nanowire.
More and more higher to the portability requirement of electron device in recent years, in order to meet this demand of society, be badly in need of producing some low costs, portable, multi-functional integrated electron device, need to find a kind of base material of cheapness for this reason.Paper because it has that abundant raw material, quality are light, cheap, the advantage such as foldable and degradable, is good choice of the substrates.Therefore, we adopt hydrothermal growth process on paper substrate, to prepare zinc oxide nanowire, for the preparation of the paper substrate electron device based on zinc oxide nanowire is laid a good foundation.
The preparation method of this paper substrate zinc oxide nanowire has the features such as technique is simple, with low cost, environmental friendliness.Concrete preparation technology is as follows:
(1) prepare substrate: select to buy and originate as paper substrate from the Whatman chromatography paper #2 of GE Healthcare Worldwide (Chinese Shanghai Pudong) company cellulose paper; The paper of 2.00 cm * 1.50 cm of cutting; Adopt screen printing technique in the silver electrode of its surface printing one deck 100 micron thickness its surface finish is level and smooth.
(2) preparation precursor solution: the zinc acetate [Zn (CH of preparation 20 ~ 30 mmol/L
3cH
2)
2] solution and 20 ~ 30 mmol/L hexamethylenetetramine [C
6h
12n
4] solution.
(3) prepare substrate: on the paper substrate that utilizes pulsed laser deposition to prepare in step (1), deposit the ZnO Seed Layer that one deck 50 ~ 80 nm are thick.
(4) growing ZnO nano-wire: be transferred in the stainless steel cauldron of 50 mL inner liner polytetrafluoroethylenes after the precursor solution of preparation in step (2) is mixed according to the ratio of volume ratio 1:1; Substrate prepared by step (3) is soaked in above-mentioned solution, and reactor is tightened in sealing, is placed in the interior reaction of 95 ℃ of baking ovens 3 ~ 4 h of preheating.Naturally cool to after completion of the reaction room temperature, paper substrate ZnO nano-wire is taken out with intermediate water washing and is placed in 60 ℃ of loft drier and dries.
The method that precursor solution described in step (4) mixes is a kind of in ultrasonic dispersion or magnetic stirring method.
Immersion way described in step (4) can be that the substrate that is modified with ZnO Seed Layer is fully immersed in precursor solution, also can only the surface that forms ZnO Seed Layer be immersed in precursor solution.
beneficial effect of the present invention:
(1) the method water is cooked solvent, not with an organic solvent, and cheap environmental protection.
(2) the method selects paper as base material, has the advantages such as abundant raw material, cheap, foldable, degradable.
(3) the method temperature of reaction is low, only has 95 ℃, and the reaction times is as short as 3 ~ 4 h.
(4) the method is not used any dispersion agent, complexing agent or tensio-active agent, environmentally safe.
(5) the method reaction raw materials is cheap, and aftertreatment is fairly simple, and can not pollute, thereby the inventive method has simple to operate, low cost and other advantages, for the preparation of the paper substrate electron device based on ZnO nano-wire is laid a good foundation.
Embodiment
In order to understand better the present invention, below by embodiment, further illustrate content of the present invention, but the present invention is not only confined to the following examples.
embodiment 1
The concrete preparation technology of preparation method of simple, with low cost, the eco-friendly paper substrate zinc oxide nanowire of a kind of technique is as follows:
(1) prepare substrate: select to buy and originate as paper substrate from the Whatman chromatography paper #2 of GE Healthcare Worldwide (Chinese Shanghai Pudong) company cellulose paper; The paper of 2.00 cm * 1.50 cm of cutting; Adopt screen printing technique in the silver electrode of its surface printing one deck 100 micron thickness its surface finish is level and smooth.
(2) preparation precursor solution: the zinc acetate [Zn (CH of preparation 20 mmol/L
3cH
2)
2] solution and 20 mmol/L hexamethylenetetramine [C
6h
12n
4] solution.
(3) prepare substrate: on the paper substrate that utilizes pulsed laser deposition to prepare in step (1), deposit the ZnO Seed Layer that one deck 50 nm are thick.
(4) growing ZnO nano-wire: be transferred in the stainless steel cauldron of 50 mL inner liner polytetrafluoroethylenes after the precursor solution of preparation in step (2) is mixed according to the ratio of volume ratio 1:1; Substrate prepared by step (3) is soaked in above-mentioned solution, and reactor is tightened in sealing, is placed in the interior reaction of 95 ℃ of baking ovens 3 h of preheating.Naturally cool to after completion of the reaction room temperature, paper substrate ZnO nano-wire is taken out with intermediate water washing and is placed in 60 ℃ of loft drier and dries.
embodiment 2
Preparation process is with example 1, and difference is: in step (2), the precursor solution of preparation is the zinc acetate [Zn (CH of 25 mmol/L
3cH
2)
2] solution and 25 mmol/L hexamethylenetetramine [C
6h
12n
4] solution.
embodiment 3
Preparation process is with example 1, and difference is: in step (2), the precursor solution of preparation is the zinc acetate [Zn (CH of 30 mmol/L
3cH
2)
2] solution and 30 mmol/L hexamethylenetetramine [C
6h
12n
4] solution.
embodiment 4
Preparation process is with example 1, and difference is: on the paper substrate that utilizes pulsed laser deposition to prepare in step (1) while preparing substrate in step (3), deposit the ZnO Seed Layer that one deck 80 nm are thick.
embodiment 5
Preparation process is with example 1, and difference is: in step (4), substrate is soaked in reaction 3.5 h in 95 ℃ of baking ovens that are placed on preheating in the precursor solution mixing.
embodiment 6
Preparation process is with example 1, and difference is: in step (4), substrate is soaked in reaction 4 h in 95 ℃ of baking ovens that are placed on preheating in the precursor solution mixing.
Claims (3)
1. a method of preparing paper substrate zinc oxide nanowire, is characterized in that the preparation process of the method is as follows:
(1) prepare substrate: select to buy and originate as paper substrate from the Whatman chromatography paper #2 of GE Healthcare Worldwide (Chinese Shanghai Pudong) company cellulose paper; The paper of 2.00 cm * 1.50 cm of cutting; Adopt screen printing technique in the silver electrode of its surface printing one deck 100 micron thickness its surface finish is level and smooth;
(2) preparation precursor solution: the zinc acetate [Zn (CH of preparation 20 ~ 30 mmol/L
3cH
2)
2] solution and 20 ~ 30 mmol/L hexamethylenetetramine [C
6h
12n
4] solution;
(3) prepare substrate: on the paper substrate that utilizes pulsed laser deposition to prepare in step (1), deposit the ZnO Seed Layer that one deck 50 ~ 80 nm are thick;
(4) growing ZnO nano-wire: be transferred in the stainless steel cauldron of 50 mL inner liner polytetrafluoroethylenes after the precursor solution of preparation in step (2) is mixed according to the ratio of volume ratio 1:1; Substrate prepared by step (3) is soaked in above-mentioned solution, and reactor is tightened in sealing, is placed in the interior reaction of 95 ℃ of baking ovens 3 ~ 4 h of preheating; Naturally cool to after completion of the reaction room temperature, paper substrate ZnO nano-wire is taken out with intermediate water washing and is placed in 60 ℃ of loft drier and dries.
2. the method for preparing paper substrate zinc oxide nanowire according to claim 1, is characterized in that method that the precursor solution described in claim 1 step (4) mixes is a kind of in ultrasonic dispersion or magnetic stirring method.
3. the method for preparing paper substrate zinc oxide nanowire according to claim 1, it is characterized in that immersion way described in claim 1 step (4) can be that the substrate that is modified with ZnO Seed Layer is fully immersed in precursor solution, also can only the surface that forms ZnO Seed Layer be immersed in precursor solution.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865604A (en) * | 2017-03-16 | 2017-06-20 | 济南大学 | A kind of preparation method of paper substrate 3 D stereo titanium dioxide nano material |
| CN107555472A (en) * | 2017-09-29 | 2018-01-09 | 济南大学 | A kind of preparation method of paper substrate tin dioxide nanometer tube |
| CN107632149A (en) * | 2017-09-18 | 2018-01-26 | 南京工业大学 | A kind of transparent paper substrate detection and analysis equipment based on zinc oxide nanowire |
| CN110306225A (en) * | 2019-08-21 | 2019-10-08 | 济南大学 | A kind of preparation method of paper base zinc oxide nano mitron |
| CN113219006A (en) * | 2021-04-16 | 2021-08-06 | 华南理工大学 | Gas sensor, preparation method thereof and wearable electronic device |
| CN115948938A (en) * | 2022-12-16 | 2023-04-11 | 安徽工程大学 | Flame-retardant rice paper with fire early warning function and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181927A (en) * | 2011-03-30 | 2011-09-14 | 北京科技大学 | Method for preparing zinc oxide nano-array on flexible substrate at low temperature |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102181927A (en) * | 2011-03-30 | 2011-09-14 | 北京科技大学 | Method for preparing zinc oxide nano-array on flexible substrate at low temperature |
Non-Patent Citations (2)
| Title |
|---|
| MIN GUO等: "Hydrothermal growth of well-aligned ZnO nanorod arrays: Dependence of morphology and alignment ordering upon preparing conditions", 《JOURNAL OF SOLID STATE CHEMISTRY》, vol. 178, 21 April 2005 (2005-04-21), pages 1864 - 1873, XP004909089, DOI: doi:10.1016/j.jssc.2005.03.031 * |
| 邱宇: "氧化锌微纳结构的生长及其压电器件研究", 《中国博士学位论文全文数据库 信息科技辑》, no. 08, 15 August 2013 (2013-08-15), pages 135 - 210 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865604A (en) * | 2017-03-16 | 2017-06-20 | 济南大学 | A kind of preparation method of paper substrate 3 D stereo titanium dioxide nano material |
| CN107632149A (en) * | 2017-09-18 | 2018-01-26 | 南京工业大学 | A kind of transparent paper substrate detection and analysis equipment based on zinc oxide nanowire |
| CN107555472A (en) * | 2017-09-29 | 2018-01-09 | 济南大学 | A kind of preparation method of paper substrate tin dioxide nanometer tube |
| CN110306225A (en) * | 2019-08-21 | 2019-10-08 | 济南大学 | A kind of preparation method of paper base zinc oxide nano mitron |
| CN113219006A (en) * | 2021-04-16 | 2021-08-06 | 华南理工大学 | Gas sensor, preparation method thereof and wearable electronic device |
| CN115948938A (en) * | 2022-12-16 | 2023-04-11 | 安徽工程大学 | Flame-retardant rice paper with fire early warning function and preparation method thereof |
| CN115948938B (en) * | 2022-12-16 | 2024-03-29 | 安徽工程大学 | Flame-retardant rice paper with fire disaster early warning function and preparation method thereof |
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