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Title: | Electrical strength of thin polyaniline films | ||||||||||
Author: | Kuzmin, Sergey; Sáha, Petr; Sudar, Nikolay; Zakrevskii, Vladimir; Sapurina, Irina Yu.; Solosin, Sergey; Trchová, Miroslava; Stejskal, Jaroslav | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Thin Solid Films. 2008, vol. 516, issue 8, p. 2181-2187 | ||||||||||
ISSN: | 0040-6090 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1016/j.tsf.2007.07.138 | ||||||||||
Abstract: | The electrical strength of in-situ polymerized polyaniline films converted to non-conducting polyaniline base has been compared with the strength of solution-cast polystyrene and poly(methyl methacrylate) films of sub-micrometre thickness. The electrical lifetime of polyaniline film exponentially decreases with the growing electric-field strength. The electric-field strength at breakdown increases with increasing rate of electric field build-up. The breakdown areas in polyaniline films have been characterized by Raman spectroscopy. As a result, the Joule heat causes the degradation of polyaniline followed by the evaporation of chain fragments in the breakdown area. | ||||||||||
Full text: | https://www.sciencedirect.com/science/article/pii/S004060900701259X | ||||||||||
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