An EPR study of the reaction between poly(phyphen;phenylene sulfide) and electronhyphen;acceptor dopants

摘要

EPR spectra for electronhyphen;acceptor doped poly(phyphen;phenylene sulfide) are reported. Thegvalues obtained from these spectra correspond to an electron density centered around a divalent sulfur radical cation Rndash;Sndash;R. This assignment is supported by corresponding EPR data from an oligomeric model compound fgr;ndash;Sndash;fgr;ndash;Sndash;fgr; (fgr;=phenyl). Thegvalue of the sulfurhyphen;based radical cation of doped poly(phyphen;phenylene sulfide) distinctly contrasts the nearly free electrongvalues obtained from EPR measurements on poly(phyphen;phenylene) and its oligomerphyphen;terphenyl.