Aging effects in polyaniline studied by electrically detected magnetic resonance

Authors
Graeff, CFO Brunello, CA
Citation
Cfo. Graeff et Ca. Brunello, Aging effects in polyaniline studied by electrically detected magnetic resonance, SYNTH METAL, 119(1-3), 2001, pp. 327-328
Citations number
6
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
SYNTHETIC METALS
ISSN journal
03796779 → ACNP
Volume
119
Issue
1-3
Year of publication
2001
Pages
327 - 328
Database
ISI
SICI code
0379-6779(20010315)119:1-3<327:AEIPSB>2.0.ZU;2-F
Abstract
The effects of thermal treatments in inert atmosphere on polyaniline films have been investigated by electrically detected magnetic resonance (EDMR) a nd Electron Spin Resonance (ESR). Two lines are observed both by ESR a narr ow resonance line with a linewidth of approx. 0.24 mT and a broader line wi th 1.6 mT linewidth, with similar g-factors (2.003), for EDMR with sandwich contacts only the broader line is observed. The broad EDMR signal is not s ensitive to the presence of oxygen or moisture, as is the case of electron spin resonance and conductivity.