THERMOCHROMISM OF ALKYL SUBSTITUTED POLY(DITHIOPHENEDIYLVINYLENES)

Authors
SPERONI F CATELLANI M LUZZATI S MUSCO A
Citation
F. Speroni et al., THERMOCHROMISM OF ALKYL SUBSTITUTED POLY(DITHIOPHENEDIYLVINYLENES), Synthetic metals, 55(1), 1993, pp. 97-102
Citations number
17
Categorie Soggetti
Physics, Condensed Matter","Metallurgy & Mining
Journal title
Synthetic metals → ACNP
ISSN journal
03796779
Volume
55
Issue
1
Year of publication
1993
Pages
97 - 102
Database
ISI
SICI code
0379-6779(1993)55:1<97:TOASP>2.0.ZU;2-V
Abstract
A spectroscopical study of the thermochromic effect of butyl and octyl substituted poly[(2,2'-dithiophene)-5,5'-diylvinylene] films (herein 4PDTV and 8PDTV) is reported. The optical absorption spectra shift to higher energies by increasing the temperature. These reversible change s have been monitored by IR absorption and Raman scattering. The measu rements do not show a relevant backbone distortion upon heating. This seems an indication that these polymers are more rigid than poly-3-alk ylthiophenes.