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Proceedings Paper

Photoexcitation spectroscopy of photoinduced electron transfer in conducting polymer-Buckminsterfullerene composites
Author(s): Laura B. Smilowitz; Niyazi Serdar Sariciftci; Richard Wu; C. Gettinger; Alan J. Heeger; Fred Wudl; Gary Wang; John Edward Bowers
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Paper Abstract

We present a comparative study of the steady state photo-induced absorption of conducting polymers mixed with Buckminsterfullerene, C60. For conjugated polymers with nondegenerate ground state as donors, electron transfer takes place prior to either radiative or nonradiative recombination of (pi) -electron photoexcitations on the conducting polymer. In the case of a conjugated polymer with degenerate ground state as donor, the structural relaxation associated with the formation of charged solitons is faster, and no indications of photoinduced charge transfer are observed.

Paper Details

Date Published: 23 July 1993
PDF: 11 pages
Proc. SPIE 1852, Nonlinear Optical Properties of Advanced Materials, (23 July 1993); doi: 10.1117/12.148454
Show Author Affiliations
Laura B. Smilowitz, Univ. of California/Santa Barbara (United States)
Niyazi Serdar Sariciftci, Univ. of California/Santa Barbara (Austria)
Richard Wu, Univ. of California/Santa Barbara (United States)
C. Gettinger, Univ. of California/Santa Barbara (United States)
Alan J. Heeger, Univ. of California/Santa Barbara (United States)
Fred Wudl, Univ. of California/Santa Barbara (United States)
Gary Wang, Univ. of California/Santa Barbara (United States)
John Edward Bowers, Univ. of California/Santa Barbara (United States)


Published in SPIE Proceedings Vol. 1852:
Nonlinear Optical Properties of Advanced Materials
Shahab Etemad, Editor(s)

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