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A kind of preparation method of helical titanium dioxide nanowire
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A technology of titanium dioxide and nanowires, applied in the direction of titanium dioxide, titanium oxide/hydroxide, nanotechnology, etc., can solve the problems of complex process, harsh conditions, high cost, etc., and achieve the effect of simple preparation process, low cost and high output
Active Publication Date: 2016-06-08
浙江枫翎控股集团有限公司
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However, these methods usually have harsh conditions, complicated processes, and high costs.
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[0015] 1) Add 5-20 parts of dimethylacetamide (DMAC) to 300-800 parts of toluene in parts by mass, stir at room temperature for 10-20 minutes and mix well;
[0016] 2) Add 0.2-1 part of water to the mixed solution in step 1) in parts by mass, and stir at room temperature for 1-5 hours;
[0017] 3) According to the number of parts by mass, add 0.06-0.5 parts of n-butyl titanate to the solution in step 2), stir at room temperature for 10-50 minutes, then transfer to a vacuum drying oven, and stir at a constant temperature of 25-50 degrees under vacuum conditions 1-6 hours, the stirring speed is 10-300r / min.
[0018] 4) The product obtained in step 3) is ion-washed with toluene, ethanol, and ethanol / water mixed solution respectively, and then dried.
Embodiment 1
[0020] A method for preparing a helical titanium dioxide nanowire, comprising the steps of:
[0021] 1) Add 5 parts of dimethylacetamide (DMAC) to 300 parts of toluene in parts by mass, stir at room temperature for 10 minutes and mix well;
[0022] 2) Add 0.2 parts of water to the mixed solution in step 1) in parts by mass, and stir at room temperature for 1 hour;
[0023] 3) In parts by mass, add 0.06 parts of n-butyl titanate to the solution in step 2), stir at room temperature for 10 minutes, then transfer to a vacuum drying oven, and stir for 1 hour under constant temperature and vacuum conditions at 25 degrees, with a stirring speed of 10r / min.
[0024] 4) The product obtained in step 3) is ion-washed with toluene, ethanol, and ethanol / water mixed solution respectively, and then dried.
Embodiment 2
[0026] A method for preparing a helical titanium dioxide nanowire, comprising the steps of:
[0027] 1) In parts by mass, add 10 parts of dimethylacetamide (DMAC) to 500 parts of toluene, stir at room temperature for 15 minutes and mix well;
[0028] 2) Add 0.6 parts of water to the mixed solution in step 1) in parts by mass, and stir at room temperature for 3 hours;
[0029] 3) In parts by mass, add 0.3 parts of n-butyl titanate to the solution in step 2), stir at room temperature for 30 minutes, then transfer to a vacuum drying oven, and stir for 3 hours under constant temperature and vacuum conditions at 35 degrees, with a stirring speed of 150r / min.
[0030] 4) The product obtained in step 3) is ion-washed with toluene, ethanol, and ethanol / water mixed solution respectively, and then dried.
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Abstract
The invention discloses a preparation method of a spiral titanium dioxide nano-wire. The preparation method comprises 1, adding 5-20 parts by mass of dimethylacetamide (DMAC) into 300-800 parts by mass of toluene, and carrying out stirring mixing at a room temperature for 10-20min to obtain a uniform mixed solution, 2, adding 0.2-1 part by mass of water into the mixed solution obtained by the step 1, and carrying out stirring at a room temperature for 1-5h, 3, adding 0.06-0.5 parts by mass of tetrabutyl titanate into the solution obtained by the step 2, carrying out stirring at a room temperature for 10-50min, transferring the mixed solution into a vacuum drying box, and carrying out constant temperature vacuum stirring at a temperature of 25-50 DEG C at a stirring rate of 10-300r / min for 1-6h, and 4, respectively carrying out ionic washing on the product obtained by the step 3 by toluene, ethanol and an ethanol-water mixed solution, and carrying out drying. The spiral titanium dioxide nano-wire has the advantages of simple preparation processes, easy control of conditions, low cost, high yield and large scale production convenience.
Description
technical field [0001] The invention relates to a preparation method of titanium dioxide nanowires, in particular to a preparation method of helicaltitanium dioxide nanowires. The helicaltitanium dioxide nanowires are prepared by controlling parameters such as ionic liquid, n-butyl titanate and water. . technical background [0002] With the development of micro-nano technology and the advancement of integrated optical technology, it is particularly important to synthesize nano-scale luminescent materials to meet the development of nano-optoelectronic devices. As a photoluminescent material, titanium oxide nanowires have broad application prospects in high-resolution near-field optical scanning microscopes, low-dimensional optical waveguides, and nano-optoelectronic devices. Helically wound structure is a common form of fiber in nature, which has unique properties and research and application value. For example, DNA has a double-helix structure and collagen fibers have a...
Claims
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