Picosecond lattice dynamics in conducting polymer thin films

Two new picosecond transient spectroscopic techniques have been devised for studying vibrations in real time in thin films of conducting polymers. Picosecond ultrasonics has been used for measuring acoustical phonon dispersion relation in polythiophene and polyacetylene in the frequency range of 1 t...

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Bibliographic Details
Published in:Synthetic metals 1991-05, Vol.41 (3), p.1393-1396
Main Authors: Vardeny, Z.V, Kanner, G.S, Hess, B.C, Zheng, L.X, Benner, R.E
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
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Summary:Two new picosecond transient spectroscopic techniques have been devised for studying vibrations in real time in thin films of conducting polymers. Picosecond ultrasonics has been used for measuring acoustical phonon dispersion relation in polythiophene and polyacetylene in the frequency range of 1 to 500 GHz. Picosecond photoinduced resonant Raman scattering (RRS) has been applied to polydiacetylene and polyacetylene for measuring the excited states dynamics and to achieve phonon hole burning.
ISSN:0379-6779
1879-3290
DOI:10.1016/0379-6779(91)91633-L