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Method for preparing patterned Ag nano-particles

A nanoparticle and patterning technology, applied in the direction of nanostructure manufacturing, nanotechnology, nanotechnology, etc., can solve the problems of complex LB film technology, difficult to control the operation process, and many reaction conditions, so as to achieve clear pattern boundaries, low cost, good repeatability

Active Publication Date: 2015-12-02
SHAANXI UNIV OF SCI & TECH
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  • Abstract
  • Description
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Problems solved by technology

The template synthesis method is to pour the initial compound of the particles into the pores of the porous template, and then undergo chemical treatments such as electrochemical reduction, chemical polymerization, sol-gel, etc. to generate nanoparticles, and then transfer them to a certain substrate to obtain nano-particles. Particle film, many reaction conditions and difficult to control the operation process
LB membrane technology is relatively complex, and the requirements for experimental conditions are very strict

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  • Method for preparing patterned Ag nano-particles
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  • Method for preparing patterned Ag nano-particles

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[0018] A method for preparing patterned Ag nanoparticles, using gold as the base material, organic molecules hexadecanethiol and 1,10-decanedithiol are selectively self-assembled on the gold surface to obtain self-assembled hexadecane base mercaptan and 1,10-decanedithiol monolayer samples, and then self-assembled samples with hexadecyl mercaptan and 1,10-decanedithiol monolayers into the concentration of 0.5 ~ 1mol / L AgNO 3 After immersing in the solution for 15-20 hours at room temperature, ultrasonic cleaning with deionized water for 1-5 minutes, and drying with a nitrogen gun to obtain patterned Ag nanoparticles.

[0019] Among them, using gold as the base material, the organic molecules hexadecyl mercaptan and 1,10-decanedithiol were selectively self-assembled on the gold surface, and the self-assembled hexadecyl mercaptan and 1,10-decanedithiol The specific preparation process of the sample of the thiol monolayer can be found in the literature: Laterally Patterned Magn...

Embodiment 1

[0022] A method for preparing patterned Ag nanoparticles, using gold as the base material, organic molecules hexadecanethiol and 1,10-decanedithiol are selectively self-assembled on the gold surface to obtain self-assembled hexadecane base mercaptan and 1,10-decanedithiol monolayer samples, and then self-assembled samples with hexadecyl mercaptan and 1,10-decanedithiol monolayers into the concentration of 0.5mol / L AgNO 3 After soaking in the solution for 15 hours at room temperature, ultrasonic cleaning with deionized water for 5 minutes, and drying with a nitrogen gun to obtain patterned Ag nanoparticles.

Embodiment 2

[0024] A method for preparing patterned Ag nanoparticles, using gold as the base material, organic molecules hexadecanethiol and 1,10-decanedithiol are selectively self-assembled on the gold surface to obtain self-assembled hexadecane base mercaptan and 1,10-decanedithiol monolayer samples, and then self-assembled with hexadecyl mercaptan and 1,10-decanedithiol monolayer samples into the concentration of 1mol / L AgNO 3 After soaking in the solution for 18 hours at room temperature, ultrasonic cleaning with deionized water for 2 minutes, and drying with a nitrogen gun to obtain patterned Ag nanoparticles.

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Abstract

Provided is a method for preparing patterned Ag nano-particles. Gold is adopted as a substrate material, cetyl mercaptan and 1,10-sebacic mercaptan are selectively and automatically assembled on the surface of gold, and a sample with a cetyl mercaptan and 1,10-sebacic mercaptan self-assembled monomolecular layer is obtained. The sample with the cetyl mercaptan and 1,10-sebacic mercaptan self-assembled monomolecular layer is placed in an AgNO3 solution, is soaked at room temperature, and then is cleaned and blow-dried, and the patterned Ag nano-particles are obtained. According to the method, the even Ag particles with the size of about 10 nm can be obtained, and densely-arranged two-dimensional nano particle monofilms are formed by the obtained nano-particles. The method has the advantages that preparation is easy, cost is low, good repeatability is achieved, the geometrical shape of the prepared substrate is not limited, good stability is achieved, and representation is easy.

Description

technical field [0001] The invention belongs to the technical field of nanoparticle preparation, and relates to a method for preparing patterned Ag nanoparticle. Background technique [0002] Dispersed and ordered nano-metal particles have good catalytic, optical and electronic properties, and have broad application prospects in surface catalysis and preparation of microelectronic devices. The functionalization, miniaturization and economicalization of electronic devices have promoted the development of nano-device preparation technology. Assembling nanoparticles into regular patterns can be used to prepare microelectronic devices, sensors and high-density data storage, etc. Therefore, using dispersed and ordered nanoparticles as the structural unit, through the structural design of each level combined with chemical modification technology, the interaction between the constituent units is utilized or artificially manipulated to construct a characteristic nano-membrane struc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00B82Y40/00
Inventor 介燕妮黄剑锋曹丽云卢靖李翠艳费杰孔新刚吴建鹏
Owner SHAANXI UNIV OF SCI & TECH
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