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Preparation method of filter paper substrate polyaniline and silver nanowire conductive composite material

A silver nanowire and composite conductive technology, which is applied in the direction of conductive materials, conductive materials, metal/alloy conductors, etc., can solve the problems of limiting the application of silver nanowires and falling off of silver nanowires

Active Publication Date: 2016-04-27
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, silver nanowires fall off during use due to problems such as agglomeration and poor adhesion during the application process, which limits the application of silver nanowires in various fields.

Method used

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  • Preparation method of filter paper substrate polyaniline and silver nanowire conductive composite material
  • Preparation method of filter paper substrate polyaniline and silver nanowire conductive composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0012] Dissolve polyaniline in N-methylpyrrolidone solution, stir for 24 hours, take the supernatant and drop it evenly on filter paper, and filter; then pour the ethanol solution of silver nanowires with a length of 60 μm and a diameter of 80 nm into the filter device, Filtrate under reduced pressure until the silver nanowires are completely covered on the surface of the filter paper; then, anneal the above-mentioned substrate for 30 min under inert gas conditions, and the annealing temperature is 130 degrees Celsius; finally, drip a layer of polyaniline supernatant on the annealed filter paper solution, vacuum filtration to obtain filter paper base polyaniline and silver nanowire composite conductive substrate.

Embodiment 2

[0014] Dissolve polyaniline in N-methylpyrrolidone solution, stir for 24 hours, take the supernatant and drop it evenly on filter paper, and filter; then pour the ethanol solution of silver nanowires with a length of 60 μm and a diameter of 80 nm into the filter device, Filter under reduced pressure until the silver nanowires are completely covered on the surface of the filter paper; then, anneal the above-mentioned substrate for 30 min under inert gas conditions, and the annealing temperature is 100 degrees Celsius; finally, drip a layer of polyaniline supernatant on the annealed filter paper solution, vacuum filtration to obtain filter paper base polyaniline and silver nanowire composite conductive substrate.

Embodiment 3

[0016] Dissolve polyaniline in N-methylpyrrolidone solution, stir for 24 hours, take the supernatant and drop it evenly on filter paper, and filter; then pour the ethanol solution of silver nanowires with a length of 30 μm and a diameter of 50 nm into the filter device, Filtrate under reduced pressure until the silver nanowires are completely covered on the surface of the filter paper; then, anneal the above substrate for 30 min under inert gas conditions, the annealing temperature is 135 degrees Celsius; finally, drop a layer of polyaniline supernatant on the annealed filter paper solution, vacuum filtration to obtain filter paper base polyaniline and silver nanowire composite conductive substrate.

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Abstract

The invention discloses a preparation method of a filter paper substrate polyaniline and silver nanowire conductive composite material. The method comprises the following steps: firstly dissolving polyaniline into an N-methylpyrrolidone solution, stirring the solution for 24 hours, uniformly dripping a taken supernatant on a filter paper, and then carrying out quick suction filtration; pouring a silver nanowire ethanol solution which is 0.05-100 microns in length and 30-200nm in diameter into a filtering device, and carrying out decompression suction filtration until a silver nanowire completely covers the surface of the filter paper; annealing a substrate in an inert gas condition for 1-30 minutes at 50-150 DEG C; and finally dripping the polyaniline supernatant, and carrying out decompression suction filtration to obtain the filter paper substrate polyaniline and silver nanowire conductive composite material. The method is simple to operate; and the obtained composite material is good in conductivity and large in specific surface area, has certain flexibility and can prepare a flexible energy storage device.

Description

technical field [0001] The invention relates to a preparation method of a composite conductive material, in particular to a preparation method of a composite conductive material of filter paper, polyaniline and silver nanowires. Background technique [0002] Flexible conductive substrate material is a material that is both bendable and conductive. Due to its good conductivity and bendability, it has been widely developed in the fields of supercapacitors, solar cells, and liquid crystal displays. At present, the more common flexible conductive substrates mainly include plastic substrates, ultra-thin glass substrates, stainless steel substrates, paper substrates, etc. Among them, paper substrates have been widely used due to their cheapness, lightness, and bendability. s concern. In most cases, the preparation of paper-based conductive substrates is a composite of paper and other conductive materials, which has achieved the effect of being bendable and conductive at the same ...

Claims

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Application Information

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IPC IPC(8): H01B13/00H01B1/02H01B1/12
CPCH01B1/02H01B1/128H01B13/00
Inventor 乔振松杨晓朋曹丙强
Owner UNIV OF JINAN
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