Remarkable thermal stability of BF3-doped polyaniline

Chaudhuri, Debangshu ; Menezes, Prashanth W. ; Sarma, D. D. (2003) Remarkable thermal stability of BF3-doped polyaniline Applied Physics Letters, 83 (12). pp. 2348-2350. ISSN 0003-6951

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Official URL: http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arn...

Related URL: http://dx.doi.org/10.1063/1.1613797

Abstract

We show that the recently synthesized BF3-doped polyaniline (PANI) exhibits remarkable stability against thermal aging. 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, Fourier transform infrared spectroscopy, and X-ray diffraction to understand this unexpected phenomenon.

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