Preparation method for one-step synthesis of silver nanowires at room temperature

A silver nanowire, room temperature technology, applied in nanotechnology and other directions, can solve the problems of high preparation cost, troublesome operation, difficult monitoring of the growth process of silver nanowires, etc., and achieve the effects of good reducibility, mild and orderly reaction

Inactive Publication Date: 2017-09-05
WENZHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods still have disadvantages: the synthesis operation needs a certain ambient temperature to carry out, many equipments are

Method used

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  • Preparation method for one-step synthesis of silver nanowires at room temperature
  • Preparation method for one-step synthesis of silver nanowires at room temperature
  • Preparation method for one-step synthesis of silver nanowires at room temperature

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Embodiment Construction

[0023] see figure 1 , figure 2 and image 3 , a preparation method for synthesizing silver nanowires in one step at room temperature disclosed by the present invention, comprising the following steps:

[0024] (1) Get silver nitrate stock solution and add in 0.1mM CTAB aqueous solution and dilute, wherein the concentration of silver nitrate stock solution is 4mM, and the concentration after dilution is 0.4mM;

[0025] (2) Take anhydrous glucose and sodium hydroxide and dissolve in water respectively, the concentration mass ratio of glucose and sodium hydroxide is 1%;

[0026] (3) Add 900 μl of glucose and 300 μl of sodium hydroxide solution to the silver nitrate solution in sequence, and shake gently to make the solutions fully mixed.

[0027] Step (1), freshly prepare 0.1mM CTAB aqueous solution for later use, and then add silver nitrate stock solution for dilution.

[0028] In step (2), the concentration mass ratio of glucose is 1%, and the initial concentration mass ra...

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Abstract

The invention discloses a preparation method for one-step synthesis of silver nanowires at a room temperature. The method comprises the following steps that a CTAB aqueous solution of 0.1 mM is added into a silver nitrate stock solution for attenuation, wherein the concentration of the silver nitrate stock solution is 4 mM, and the concentration after attenuation is 0.4 mM; glucosum anhydricum and sodium hydroxide are weighed and dissolved into water, wherein the concentration ratio and the mass ratio of the glucosum anhydricum to the sodium hydroxide are both 1%; and a glucose solution and a sodium hydroxide solution are sequentially added into the silver nitrate solution, and the solutions are fully mixed through slight shaking. According to the technical scheme, operation is easy, the number of required facilities is small, the preparation cost is low, the silver nanowires can be prepared under the condition of the room temperature, and the growth process of the silver nanowires can be monitored easily.

Description

technical field [0001] The invention relates to the technical field of silver nanowires, in particular to a preparation method for synthesizing silver nanowires in one step at room temperature. Background technique [0002] Commonly used one-dimensional metal nanomaterials, such as nanowires, nanorods, and nanotubes, have attracted extensive attention due to their unique optical, electrical, mechanical, and catalytic properties. One-dimensional nanomaterials will become important components of nano-integrated circuits and nano-semiconductor devices. Silver nanowires have high electrical and thermal conductivity effects, and can be used as wires for circuits, catalysts for chemical reactions, surface-enhanced Raman scattering substrates, and optical waveguide media. At present, the preparation methods of silver nanowires mainly include: nanolithography technology, template method (alumina or polymer film, carbon nanotube, DNA, etc.), seed growth method and one-step synthesis...

Claims

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Application Information

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IPC IPC(8): B22F9/24B82Y40/00
CPCB22F9/24B82Y40/00
Inventor 杨光参王艳伟陈峰
Owner WENZHOU UNIVERSITY
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