CN103787402B - Method for preparing cuprous oxide nanowire material - Google Patents
Method for preparing cuprous oxide nanowire material Download PDFInfo
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- CN103787402B CN103787402B CN201410031465.3A CN201410031465A CN103787402B CN 103787402 B CN103787402 B CN 103787402B CN 201410031465 A CN201410031465 A CN 201410031465A CN 103787402 B CN103787402 B CN 103787402B
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- cuprous oxide
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- oxide wire
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Abstract
The invention belongs to the technical field of a nano material, and particularly relates to a method for preparing a cuprous oxide nanowire material. The cuprous oxide nanowire material is prepared from cuprous thiocyanate powder as a precursor by reaction with aqueous alkali. The method is simple in technology, and easy to achieve volume production. The cuprous oxide nanowire material prepared by the method can be applied as an advanced functional material.
Description
Technical field
The invention belongs to technical field of nano material, be specifically related to the preparation method of nano cuprous oxide wire material.
Background technology
Nano wire, owing to possessing special geometrical shape, high long-width ratio and quantum size effect and surface effects, gets more and more people's extensive concerning.Compared with bulk material, this kind of material has more excellent performance.
The research in our early stage finds, take cuprous thiocyanate membrane as precursor, can prepare nano cuprous oxide wire porous membrane; Under ul-trasonic irradiation, cuprous thiocyanate powder also can react with alkaline solution prepares nano cuprous oxide wire material.[(1) xuwei, Xiao Xingxing, Xia Peng, a kind of nano cuprous oxide wire porous membrane and its preparation method and application, application for a patent for invention number: 2014100140030; (2) xuwei, Xiao Xingxing, Xia Peng, Sun Qian, Tian Guo, a kind of nano cuprous oxide wire material and simple method for preparing thereof, application for a patent for invention number: 2014100188097.]
We find, if adopt relatively dense alkaline solution, even if without ultrasonic wave, cuprous thiocyanate powder also can be made to be transformed into nano cuprous oxide wire material.Owing to improve concentration, output also can improve.
Summary of the invention
The object of the invention is to propose a kind of simple and easy method preparing nano cuprous oxide wire material in batches.
The present invention proposes the method preparing nano cuprous oxide wire material, is with cuprous thiocyanate powder for precursor, in alkaline solution, prepares nano cuprous oxide wire material by chemical reaction; Wherein alkaline solution adopts aqueous sodium hydroxide solution.
The method preparing nano cuprous oxide wire material that the present invention proposes, concrete operation step is: in the reaction flask filling aqueous sodium hydroxide solution, adds cuprous thiocyanate powder, stirs 1 ~ 3 hour, filters, and washing is dry, obtains nano cuprous oxide wire material; Wherein, the mol ratio of sodium hydroxide and cuprous thiocyanate consumption is 2 ~ 10; The concentration magnitude of aqueous sodium hydroxide solution is 10
-1mol/L.
If produced in enormous quantities, relatively dense alkaline solution can be selected.
The nano cuprous oxide wire material that the present invention proposes, apparent similar general powder, microcosmic is piled up at random by nano cuprous oxide wire and is formed; Most of nanowire width is less than 50 nanometers; The length of nano wire is usually more than 1 micron or longer.But owing to adopting stirring measure, some nano wire is under agitation fractureed.
In previous patent of invention, we adopt ultrasonic-assisted synthesis, and the nanowire length obtained is longer, usually can not fracture; The present invention without ultrasonic wave, but needs to stir, and some nano wire is fractureed.In actual applications, can a kind of method be selected as required synthesize.
The nano-material that the present invention obtains, available powders X-ray diffraction (XRD) analyzes illness that has not attacked the vital organs of the human body, proves that obtained nano-material is Red copper oxide.
Scanning electronic microscope (SEM) is observed and is confirmed that most of nanowire width is below 50 nanometers, and length is usually more than 1 micron or longer.But some nano wire is fractureed.
This nano cuprous oxide wire material that the present invention proposes has been widely used, such as: use affected photoelectric conversion material.In addition, be also widely used in fields such as catalysis, sensor, ultracapacitor, lithium ion battery, photoelectric functional device and Large area electronics.
Accompanying drawing explanation
Fig. 1 is that (in figure, ordinate zou is intensity for the XRD analysis result of the nano cuprous oxide wire material of embodiment 1; X-coordinate is 2 θ angles).
Fig. 2 is the SEM image of the nano cuprous oxide wire material of embodiment 1.
Fig. 3 is that (in figure, ordinate zou is intensity for the XRD analysis result of the nano cuprous oxide wire material of embodiment 2; X-coordinate is 2 θ angles).
Fig. 4 is the SEM image of the nano cuprous oxide wire material of embodiment 2.
Embodiment
Method that the invention is further illustrated by the following examples.
embodiment 1
In reaction flask, add 50 milliliters of aqueous sodium hydroxide solutions (concentration: 0.1 mol/L) and 0.001 mole of cuprous thiocyanate powder (0.123 gram), stir 1 hour, filter, washing, dry, obtain nano cuprous oxide wire material.Thick productive rate is greater than 90%.
Fig. 1 is XRD analysis result, proves that product is Red copper oxide.
Fig. 2 is the typical SEM images of nano cuprous oxide wire material, and display nano cuprous oxide wire is piled up at random.The width of nano cuprous oxide wire is less than 50 nanometers, and length can reach more than micron.Some nano wire fractures.
If prepare more nano-material, production can be amplified.
embodiment 2
In reaction flask, add 0.001 mole of cuprous thiocyanate powder (0.123 gram), then 50 milliliters of aqueous sodium hydroxide solutions (concentration: 0.1 mol/L) are added drop-wise in reaction flask, then continue stirring 1 hour, filter, washing, dry, obtain nano cuprous oxide wire material.Thick productive rate is greater than 90%.
Fig. 3 is XRD analysis result, proves that product is Red copper oxide.
Fig. 4 is the SEM image of nano cuprous oxide wire material.
If prepare more nano-material, production can be amplified.
Claims (1)
1. a preparation method for nano cuprous oxide wire material, is characterized in that, with cuprous thiocyanate powder for precursor, in alkaline solution, prepares nano cuprous oxide wire material by chemical reaction; Wherein alkaline solution adopts aqueous sodium hydroxide solution; Concrete operation step is: in the reaction flask filling aqueous sodium hydroxide solution, adds cuprous thiocyanate powder, stirs 1 ~ 3 hour, filters, and washing is dry, obtains nano cuprous oxide wire material; Wherein, the mol ratio of sodium hydroxide and cuprous thiocyanate consumption is 2 ~ 10; The concentration magnitude of aqueous sodium hydroxide solution is 10
-1mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031465.3A CN103787402B (en) | 2014-01-23 | 2014-01-23 | Method for preparing cuprous oxide nanowire material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031465.3A CN103787402B (en) | 2014-01-23 | 2014-01-23 | Method for preparing cuprous oxide nanowire material |
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| Publication Number | Publication Date |
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| CN103787402A CN103787402A (en) | 2014-05-14 |
| CN103787402B true CN103787402B (en) | 2015-06-17 |
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| CN201410031465.3A Active CN103787402B (en) | 2014-01-23 | 2014-01-23 | Method for preparing cuprous oxide nanowire material |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445359B (en) * | 2014-11-17 | 2015-12-09 | 河南大学 | A kind of method preparing cuprous nano structure on phosphor bronze surface |
| CN108408694A (en) * | 2018-03-01 | 2018-08-17 | 复旦大学 | The environment-friendly preparation method thereof of metal oxide nano-material |
| CN111302383B (en) * | 2020-02-08 | 2022-07-22 | 复旦大学 | Doped cuprous oxide nano material and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384055A (en) * | 2002-06-20 | 2002-12-11 | 南京大学 | Reduction process of preparing nano cuprous oxide wire |
| SI22337A (en) * | 2006-07-05 | 2008-02-29 | Kemijski Institut | Synthesis of nanowires based on copper(i) oxide by reduction in diol without addition of water |
| CN101429680A (en) * | 2008-08-01 | 2009-05-13 | 华中师范大学 | Production method for direct growth of one-dimensional nano cuprous oxide array on metallic copper substrate |
| CN102225816A (en) * | 2011-04-18 | 2011-10-26 | 北京百奥纳高科技有限公司 | Method for recovering secondary salts from desulfurization liquid and recycling desulfurization liquid |
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2014
- 2014-01-23 CN CN201410031465.3A patent/CN103787402B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1384055A (en) * | 2002-06-20 | 2002-12-11 | 南京大学 | Reduction process of preparing nano cuprous oxide wire |
| SI22337A (en) * | 2006-07-05 | 2008-02-29 | Kemijski Institut | Synthesis of nanowires based on copper(i) oxide by reduction in diol without addition of water |
| CN101429680A (en) * | 2008-08-01 | 2009-05-13 | 华中师范大学 | Production method for direct growth of one-dimensional nano cuprous oxide array on metallic copper substrate |
| CN102225816A (en) * | 2011-04-18 | 2011-10-26 | 北京百奥纳高科技有限公司 | Method for recovering secondary salts from desulfurization liquid and recycling desulfurization liquid |
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