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A method for encapsulating and preparing a highly stable silver nanowire composite film

A technology of silver nanowires and composite films, which is applied in the direction of metal/alloy conductors, cable/conductor manufacturing, conductive layers on insulating carriers, etc., can solve the problem of increasing the difficulty of processing technology, increasing the cost of large-scale process equipment, and transparent silver nanowires The effect of improving the adhesion between the conductive film and the substrate is limited, and the effect of increasing the anti-oxidation ability and anti-corrosion ability and reducing the cost of equipment is achieved, and the effect is low.

Active Publication Date: 2017-10-31
合肥微晶材料科技有限公司
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Problems solved by technology

The adoption of this process will increase the difficulty of the processing process, and the use of large-scale process equipment will undoubtedly increase the cost. At the same time, the above-mentioned method has a limited effect on improving the adhesion between the silver nanowire transparent conductive film and the substrate.

Method used

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  • A method for encapsulating and preparing a highly stable silver nanowire composite film
  • A method for encapsulating and preparing a highly stable silver nanowire composite film
  • A method for encapsulating and preparing a highly stable silver nanowire composite film

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Embodiment Construction

[0035] Embodiments and drawings will be given below to clearly illustrate the technical solution of the present invention.

[0036] The encapsulation preparation of the silver nanowire composite thin film of the present invention is carried out as follows:

[0037] a. Preparation of silver nanowire welding solution:

[0038] Using ethanol as a solvent, prepare a silver nitrate solution with a concentration of 10mmol / L and a glucose solution with a concentration of 10mmol / L;

[0039] After taking 10 mL of silver nitrate solution and 10 mL of glucose solution and shaking them well, add 1 mL of concentrated nitric acid with a mass fraction of 65% and 0.09 g of sodium hydroxide powder with a mass fraction of 96% and shake them up again, and the pH value is measured to be 1.7. Obtain silver nanowire soldering liquid;

[0040] b. Dispersed silver nanowires

[0041] Take 50mL of polyvinylpyrrolidone ethylene glycol solution with a concentration of 20mmol / L and 30mL of silver nitra...

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Abstract

The invention discloses a packaging and manufacturing method of a highly stable silver nano-wire composite film. The method is characterized by firstly, coating a silver nanowire dispersion liquid on a substrate so as to form a network-shape silver nanowire structure; and then using a silver nanowire welding liquid to soak or infiltrate the substrate so that silver nanowires forming the network-shape silver nanowire structure react at a mutual superposed position and local mutual dissolution is generated; therefore, realizing mutual welding; and finally, through light curing resin packaging, acquiring the silver nano-wire composite film. In the invention, chemical welding processing is performed on the network-shape silver nanowires formed through bridging so as to obtain a stable structure; simultaneously, a light curing resin is used as a packaging layer; and ultraviolet irradiation is used to generate an insoluble film. A film material acquired through the method in the invention has high transmittance, a low square resistance, good stability and a high antioxidant capability.

Description

technical field [0001] The invention relates to a transparent conductive film, in particular to a method for encapsulating and preparing a silver nanowire composite film. Background technique [0002] At present, silver nanowires have broad application prospects due to their unique optical and electrical physical properties, such as thin-film solar cells, touch screen displays, light-emitting diodes, and flexible thin-film displays. In addition, silver nanowires have excellent electrical conductivity, strong adsorption capacity, good biocompatibility and other special properties unmatched by other materials, and are used to prepare transparent conductive films to replace traditional indium tin oxide (ITO) transparent electrode material. [0003] Due to the gradual increase in the use of traditional indium tin oxide, the ore reserves of indium tin oxide are not abundant enough, resulting in an increase in cost prices year by year. When indium tin oxide is used to prepare tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B5/14H01B1/02
CPCH01B1/02H01B5/14H01B13/00
Inventor 张梓晗吕鹏陶豹
Owner 合肥微晶材料科技有限公司
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