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Remarkable thermal stability of BF3-doped polyaniline

Debangshu Chaudhuri, Prashanth W. Menezes, D. D. Sarma

cond-mat.mtrl-sciarXiv:cond-mat/0308190

Abstract

We show that the recently synthesized BF3-doped polyaniline (PANI) exhibits remarkable stability against thermal ageing. Unlike the protonated PANI, which shows rapid degradation of the conductivity on heating in air, BF3-doped PANI shows more than an order of magnitude improvement in conductivity. We employ x-ray photoelectron spectroscopy (XPS), fourier transform infra-red (FTIR) spectroscopy, and x-ray diffraction (XRD) to understand this unexpected phenomenon.

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