OPTICAL STUDIES OF POLYPHENYLENEVINYLENE AND DERIVATIVES - RAMAN AND LUMINESCENCE SPECTROSCOPY

Authors
LONG FH MCBRANCH D HAGLER TW ROBINSON JM SWANSON BI PAKBAZ K SCHRICKER S HEEGER AJ WUDL F
Citation
Fh. Long et al., OPTICAL STUDIES OF POLYPHENYLENEVINYLENE AND DERIVATIVES - RAMAN AND LUMINESCENCE SPECTROSCOPY, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 256, 1994, pp. 121-128
Citations number
12
Categorie Soggetti
Crystallography
Journal title
Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals → ACNP
ISSN journal
1058725X
Volume
256
Year of publication
1994
Pages
121 - 128
Database
ISI
SICI code
1058-725X(1994)256:<121:OSOPAD>2.0.ZU;2-R
Abstract
We have done Raman and luminescence measurements on a variety of PPV d erivatives and oriented polymer blends. Changes in the observed Raman spectra for the polymers studied are consistent with molecular level c hanges in the polymer structure. Low frequency modes, which may be tor sional modes of the polymer, have been observed for the first time. By comparison to site-selective luminescence spectra, it is found that a t least two different phonons contribute to the vibrationally resolved luminescence spectra.