Remarkable thermal stability of BF3-doped polyaniline

Details Remarkable thermal stability of BF3-doped polyaniline Remarkable thermal stability of BF3-doped polyaniline

2003-08-10

arxiv.org/abs/cond-mat/0308190v1

Physics

Condensed Matter

Materials Science

4 pages and 3 figures. To appear in Applied Physics Letters, Sept. 2003

Scientific paper

10.1063/1.1613797

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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