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Process of nickel oxide optical film dispersed nanometer silver grains

A technology of nano-silver particles and optical thin films, applied in optics, optical components, instruments, etc., to achieve the effects of excellent nonlinear optical properties, low price, and low reaction temperature

Inactive Publication Date: 2008-09-17
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no report on the study of such systems as nonlinear optical materials.

Method used

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  • Process of nickel oxide optical film dispersed nanometer silver grains

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Dissolve 0.5935g nickel nitrate in 10ml CH 3 OCH 2 CH 2 OH solvent, stirring for 1 hour to dissolve, adding 0.0024g AgNO 3 , stirred again for 05 hours to prepare the Ag / NiO precursor solution; before the glue was thrown, the substrate was immersed in acetone for ultrasonic vibration cleaning for 15 minutes, then the solution was dripped onto the substrate, and the solution was first run at 200rpm for 5 seconds, and then Run at 1000rpm for 10 seconds. Every time the glue is uniformed, the film is thermally decomposed at 100°C for 50 seconds. After the glue is glued once, the sample is placed in a rapid heat treatment furnace for annealing treatment for 10 minutes. The annealing temperature is 600°C, and the Ag content is 1wt% Ag. / NiO composite film.

Embodiment 2

[0017] Dissolve 0.8902g of nickel nitrate in 10ml of CH 3 OCH 2 CH 2 OH solvent, stir for 3 hours to dissolve, add 00392g AgNO 3 , and stirred again for 1 hour to prepare the Ag / NiO precursor solution; before the glue was thrown, the substrate was immersed in acetone for ultrasonic vibration cleaning for 15 minutes, and then the solution was dripped onto the substrate, first at 400rpm for 6 seconds, then at 1500rpm Run for 12 seconds. Every time the glue is glued, the film is thermally decomposed at 200°C for 100 seconds. After the glue is glued once, the sample is placed in a rapid heat treatment furnace for annealing treatment for 20 minutes. The annealing temperature is 500°C, and the Ag content is 10wt% Ag. / NiO composite film.

Embodiment 3

[0019] Dissolve 1.1869g of nickel nitrate in 10ml of CH 3 OCH 2 CH 2 OH solvent, stirring for 5 hours to dissolve, adding 01567g AgNO 3 , and stirred again for 15 hours to obtain the Ag / NiO precursor solution; before the glue was thrown, the substrate was immersed in acetone for ultrasonic vibration cleaning for 15 minutes, and then the solution was dripped onto the substrate, firstly at 500rpm for 9 seconds, then at 2600rpm Run for 30 seconds. Every time the glue is uniformed, the film is thermally decomposed at 300°C for 150 seconds. After the glue is glued once, the sample is placed in a rapid heat treatment furnace for annealing treatment for 30 minutes. The annealing temperature is 900°C, and the Ag content is 25wt% Ag. / NiO composite film.

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Abstract

A method for preparation of optical thin film with nanophase silver particles dispersed in nickel oxide belonged to the composite material field of nanophase metallic particles and inorganic non-metallic material. The precursor solution is prepared by sol-gel processing, the raw material is the silver nitrate and the nickel nitrate that its concentration is 0.2-1mol / L, the dissolvent is the ethylene glycol monomethyl ether, the mole ratio of the silver nitrate and the nickel nitrate is 0.007:1-2.769:1;The thin film is produced by the even pastern machine, the art work is simple, the price is low, the reaction temperature is 200DEG C-900DEG C which is lower than classical sintering methods, the components of the thin film is easy to control, the cycle of the production is shorter, and the enenry is saved. The non-linear optical thin film with nanophase silver particles dispersed in nickel oxide produced in the invention has the perfect non-linear optics characteristic that the absorption peak can be observed in condition of the specified wavelength, it has broad application foreground in the aspect of the optical device such as the optical switch, the optical computer and the optical wave separator. The content of Ag in the coextruded film attains 80wt % at most.

Description

technical field [0001] The invention belongs to the field of composite materials of nano-metal particles and inorganic non-metallic materials, and in particular provides a preparation method of nano-silver particle-dispersed nickel oxide optical film and a preparation method of nano-silver (Ag) dispersed nickel oxide (NiO) optical film. It involves the design and preparation process of nanometer metal particle dispersed oxide nonlinear optical thin film material. Background technique [0002] As a new type of functional material, nanoparticle / dielectric composite film has potential application prospects in many fields such as catalysts, electricity, optics, magnetism, etc., especially the nanometer metal particle dispersed oxide film has excellent nonlinear optical properties. , has attracted great attention from domestic and foreign scholars in recent years. Nano-metal particles dispersed oxide film, due to the surface effect and quantum size effect of metal nanoparticles ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/00
Inventor 张波萍陈灿焦力实张海龙王蕾
Owner UNIV OF SCI & TECH BEIJING
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