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Nonlinear optical film with gold silver nanoparticles and dispersal oxide and its preparation method

A nonlinear optics, nanoparticle technology, applied in nonlinear optics, optics, solid-state chemical plating, etc.

Inactive Publication Date: 2013-07-17
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Preparation of Au, Ag binary alloy metal particles dispersed cobalt tetroxide optical thin film by sol-gel method has not been reported yet

Method used

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  • Nonlinear optical film with gold silver nanoparticles and dispersal oxide and its preparation method

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Experimental program
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Embodiment 1

[0009] Weigh 0.8731g of cobalt nitrate (Co(NO 3 ) 2 ·6H 2 O), 0.1699 g of silver nitrate (AgNO 3 ) and 0.4188 g of chloroauric acid (HAuCl 4 ·4H 2 O), were added to 10 ml of ethylene glycol monomethyl ether solvent, stirred on a magnetic stirrer for 8 hours, and aged for 12 hours to obtain a Co parent solution with a concentration of 0.3 mol / L, a 0.1 mol / L Ag parent solution and 0.1 mol / L Au parent solution; then measure 9.8 ml of Co parent solution and 0.2 ml of Ag parent solution, mix the two solutions, stir on a magnetic stirrer for 8 hours, and age for 12 hours to obtain Ag 0.02 / (Co 3 O 4 ) 0.98 precursor solution. In the same way, measure 9.8 ml of Co precursor solution and 0.2 ml of Au precursor solution to prepare Au 0.02 / (Co 3 O 4 ) 0.98 precursor solution. Before sizing, the substrate was ultrasonically cleaned in distilled water, ethanol, and acetone in turn, and then placed in a drying oven for drying. After drying, a layer of prepared Ag was applied....

Embodiment 2

[0011] Weigh 0.8731g of cobalt nitrate (Co(NO 3 ) 2 ·6H 2 O), 0.1699 g of silver nitrate (AgNO 3 ) and 0.4188 g of chloroauric acid (HAuCl 4 ·4H 2 O), were added to 10 ml of ethylene glycol monomethyl ether solvent, stirred on a magnetic stirrer for 8 hours, and aged for 12 hours to obtain a Co parent solution with a concentration of 0.3 mol / L, a 0.1 mol / L Ag parent solution and 0.1mol / L Au parent solution; then measure 6 ml of Co parent solution and 4 ml of Ag parent solution, mix the two solutions, stir on a magnetic stirrer for 8 hours, and age for 12 hours to obtain Ag 0.4 / (Co 3 O 4 ) 0.6 precursor solution. In the same way, measure 6 ml of Co precursor solution and 4 ml of Au precursor solution to prepare Au 0.4 / (Co 3 O 4 ) 0.6 precursor solution. Before sizing, the substrate was ultrasonically cleaned in distilled water, ethanol, and acetone in turn, and then placed in a drying oven for drying. After drying, a layer of prepared Ag was applied. 0.4 / (Co 3...

Embodiment 3

[0013] Weigh 0.8731g of cobalt nitrate (Co(NO 3 ) 2 ·6H 2 O), 0.1699 g of silver nitrate (AgNO 3 ) and 0.4188 g of chloroauric acid (HAuCl 4 ·4H 2 O), were added to 10 ml of ethylene glycol monomethyl ether solvent, stirred on a magnetic stirrer for 8 hours, and aged for 12 hours to obtain a Co parent solution with a concentration of 0.3 mol / L, a 0.1 mol / L Ag parent solution and 0.1 mol / L Au parent solution; then measure 1 ml of Co parent solution and 9 ml of Ag parent solution, mix the two solutions, stir on a magnetic stirrer for 8 hours, and age for 12 hours to obtain Ag 0.9 / (Co 3 O 4 ) 0.1 precursor solution. In the same way, measure 4 ml of Co precursor solution and 6 ml of Au precursor solution to prepare Au 0.6 / (Co 3 O 4 ) 0.4 precursor solution. Before sizing, the substrate was ultrasonically cleaned in distilled water, ethanol, and acetone in turn, and then placed in a drying oven for drying. After drying, a layer of prepared Ag was applied. 0.9 / (Co ...

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Abstract

The invention relates to a nonlinear optical film with gold silver nanoparticles and dispersal oxide and its preparation method, which belongs to the metal nanoparticles and oxide composite material field. The nonlinear optical film with gold silver nanoparticles and dispersal oxide is characterized in that the a composition general formula of the chemical component is AgxAuy / (Co3O4)1-x-y, wherein x,y is respectively expressed the mol fraction of the composition element of Ag and Au, the value range of x is 0.01-0.60, the value range of y is 0.01-0.60, the value range of 1-x-y is 0.20-0.98. The gold silver nanoparticles are dispersed in a cobaltosic oxide matrix in a form of alloy, the diameter range of the gold silver nanoparticles is 1-500nm. The peak position of an alloy absorption peak is regulated and controlled by the mol fraction of gold silver composition elements. The absorption peak is appeared at the wave band of 350-650nm of the film, the film has excellent nonlinear optical property and increases the wavelength selection scope of non-linear luminous absorption.

Description

technical field [0001] The invention belongs to the field of composite materials of metal nanoparticles and oxides, and in particular proposes a gold-silver alloy nanoparticle-dispersed oxide nonlinear optical film and a preparation method thereof, and relates to the design and operation of various metal nanoparticle-dispersed oxide optical films. Preparation Process. Background technique [0002] With the outbreak of energy crisis worldwide and the emergence of environmental degradation issues, energy and environment have become two major issues that human beings face and need to be solved urgently in the 21st century. Heterogeneous photocatalysis has unique properties such as deep reaction at room temperature and direct use of solar energy as a light source to drive the reaction. As an ideal environmental pollution control technology and clean energy production technology, it has attracted increasing attention. In recent decades, the research on metal nanoparticle nonline...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C20/00G02F1/355
Inventor 张波萍毛袆胤赵金仙王士京
Owner UNIV OF SCI & TECH BEIJING
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