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Citation: XU Guo-Rong, REN Feng-Lian, SI Shi-Hui. Construction of Polyaniline Nanowire Thin Film Electrodes with Porous Anodic Alumina as Template[J]. Chinese Journal of Applied Chemistry, ;2008, 25(4): 391-395. shu

Construction of Polyaniline Nanowire Thin Film Electrodes with Porous Anodic Alumina as Template

1.
a College of Chemistry and chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201;
2.
b College of Chemistry and chemical Engineering, Central South University, Changsha

Corresponding author: XU Guo-Rong,
Received Date: 24 May 2007
Available Online: 10 September 2007
Fund Project: 国家自科基金资助项目(20475065) (20475065)

Polyaniline nanowires thin film electrodes were fabricated with porous anodic alumina (PAA) as template by electrochemical method.Prior to electro polymerization of aniline,the barrier layer of PAA was dissolved by electrolyzing a neutral potassium chloride solution with PAA as cathode,and a layer of nickel was deposited on PAA,which was used as catalyst.The results obtained show that the proper pH values are in a range of 2~3 for polymerization of aniline,and the critical polymerization potential of potentiostatic method is 0.1 V(vsHg/Hg₂SO₄).The SEM observations demonstrate that the diameter of the nanowires was about 22 nm,with an ordered distribution.Charging-discharging curves show the polyaniline nanowires thin film electrode has a higher discharge capacity than PANI thin film electrode.
- porous anodic alumina,
- polyaniline nanowire,
- thin film electrode
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