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Proceedings Paper

Isomerization Intermediates In Solution Phase Photochemistry Of Stilbenes
Author(s): F. E. Doany; R. M. Hochstrasser; B. I. Greene
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Paper Abstract

Picosecond and subpicosecond spectroscopic studies have revealed evidence for an isomerization intermediate between cis and trans in the photoinduced isomerism of both stilbene and biindanyledene ("stiff" stilbene). In stiff stilbene, a transient absorption at 351 nm displays time evolution and viscosity dependence consistent with absorption by a twisted intermediate ("phantom" state) with a lOps lifetime. An analagous bottleneck state with a life-time of 4ps is also consistent with the ground state recovery dynamics of t-stilbene following excitation of c-stilbene when monitored with 0.1ps resolution.

Paper Details

Date Published: 2 April 1985
PDF: 7 pages
Proc. SPIE 0533, Ultrashort Pulse Spectroscopy and Applications, (2 April 1985); doi: 10.1117/12.946536
Show Author Affiliations
F. E. Doany, University of Pennsylvania (United States)
R. M. Hochstrasser, University of Pennsylvania (United States)
B. I. Greene, AT&T Bell Laboratories (United States)

Published in SPIE Proceedings Vol. 0533:
Ultrashort Pulse Spectroscopy and Applications
M. J. Soileau, Editor(s)

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