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Electric synthesizing method of polyaniline

A technology of polyaniline and electrosynthesis, which is applied in electrolytic organic material coating and other directions, and can solve problems such as unstable electrode performance

Inactive Publication Date: 2013-09-18
SHANGHAI QIBAO HIGH SCHOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Synthetic polyaniline needs to be bonded to the electrode substrate when it is used as an electrode material, and the bonding will easily lead to unstable electrode performance

Method used

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  • Electric synthesizing method of polyaniline
  • Electric synthesizing method of polyaniline
  • Electric synthesizing method of polyaniline

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Experimental program
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Embodiment Construction

[0023] experimental drug

[0024] The raw material used in this embodiment has aniline (C 6 h 7 N 2 ), hydrochloric acid (HCl), acetone (C 3 h 6 O), ethanol (C 2 h 5 OH), distilled water, etc. Among them, aniline is analytically pure with a concentration of 99.5%, hydrochloric acid, acetone, and ethanol are all analytically pure with a concentration of 98%. The above drugs are all purchased from Sinopharm (Shanghai) Group Corporation, and the experimental water is deionized water.

[0025] Experimental Instruments and Equipment

[0026] The experimental instruments and devices used in this embodiment mainly include CHI600E electrochemical workstation (Shanghai Chenhua Instrument Co., Ltd.), Victor digital multimeter (Shenzhen Victory Electronic Instrument Company), XL30 scanning electron microscope (Netherlands Philips Company), etc. . The ITO electrode (20mm×10mm×0.1mm, surface resistance measured by four-probe method is 6Ω~8Ω) was purchased from South China Xian...

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Abstract

The invention discloses an electric synthesizing method of polyaniline. The electric synthesizing method is characterized by comprising the following steps of S1. ultrasonically washing conducting glass for 15min respectively in distilled water, absolute ethyl alcohol, acetone, absolute ethyl alcohol and distilled water so as to remove the surface impurities, and naturally drying the conducting glass; S2. placing the conducting glass into an electrolytic tank, scanning the conducting glass at a constant scanning speed by utilizing a cycling voltammetry, and adopting the mixed solution of 0.5mol / L HCL and 0.5mol / L aniline as electrolyte; S3, rapidly transferring a working electrode aggregating the polyaniline into the distilled water, and washing the working electrode with the distilled water to remove the residual acid radical ions and aniline monomers; and S4. standing the polyaniline working electrode under the condition of 10 DEG C for 24h to be dried. The electric synthesizing method has the advantages that the synthesized polyaniline film is stable in structure, and the good electric performance can be maintained, and the instability defect of the electrode caused by the adhesion can be overcome.

Description

technical field [0001] The invention belongs to the technical field of conductive polymers, and relates to an electrosynthesis method of polyaniline. Background technique [0002] Polyaniline is a commonly used conductive polymer material, which has the advantages of low cost, high chemical stability, and high conductivity. It is the most commercially valuable of many conductive polymers. New properties and applications can be brought to polyaniline by introducing substituents on polyaniline macromolecular chains or introducing different anions by protonic acid doping. At present, polyaniline has begun industrial production and has been applied in practice. [0003] Completely reduced polyaniline (Leucoemeraldine base) is non-conductive and white, and the repeating units in the main chain are not conjugated; after oxidation doping, Emeraldine base is obtained, which is blue and non-conductive; after acid doping, Emeraldine salt is obtained , green, conductive; if the Emera...

Claims

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Application Information

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IPC IPC(8): C08G73/02C25D9/02
Inventor 周国亮曹君铭朱文玥谢雨晗
Owner SHANGHAI QIBAO HIGH SCHOOL
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