Preparation and Characterization of Polyaniline Film by Potentiostatic Pulse Method

doi:10.3969/j.issn.0251-0790.2012.02.037

Abstract

Abstract: The polyaniline(PANI) films were prepared by constant potential pulse method. The morphology, structure and optic properties of the films were characterized by scanning electron microscopy(SEM), X-ray diffraction(XRD), infrared ray(IR) and luminescence spectrum. We investigated the impact of duty cycle, cycle and pulse time on the morphology of films. The SEM images show that the grain size of films decreases with the decreases of the duty cycle; with the increase of cycles, the lamellar structure films change to granular structure which is longitudinal growth. The luminescence spectrum revealed that the emitting peak of the PANI films located at about 520 nm, and the luminescent intensity increases with the increase of the duty cycle. Electrochemical performance test shows that the PANI films which prepared by constant potential pulse method has good capacitive characteristics.

Key words: Polyaniline(PANI), Film, Photoluminescence, Potentiostatic pulse

CLC Number:

O631
O646

TrendMD:

WANG Hong-Zhi, LIU Wei-Hong, LI Jian, YAO Su-Wei, ZHANG Wei-Guo. Preparation and Characterization of Polyaniline Film by Potentiostatic Pulse Method[J]. Chem. J. Chinese Universities, 2012, 33(02): 421.

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Preparation and Characterization of Polyaniline Film by Potentiostatic Pulse Method

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