23 July 1993 Photoexcitation spectroscopy of photoinduced electron transfer in conducting polymer-Buckminsterfullerene composites
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Proceedings Volume 1852, Nonlinear Optical Properties of Advanced Materials; (1993); doi: 10.1117/12.148454
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
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.
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Laura B. Smilowitz, Niyazi Serdar Sariciftci, Richard Wu, C. Gettinger, Alan J. Heeger, Fred Wudl, Gary Wang, John Edward Bowers, "Photoexcitation spectroscopy of photoinduced electron transfer in conducting polymer-Buckminsterfullerene composites", Proc. SPIE 1852, Nonlinear Optical Properties of Advanced Materials, (23 July 1993); doi: 10.1117/12.148454; https://doi.org/10.1117/12.148454
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KEYWORDS
Polymers

Composites

Absorption

Luminescence

Solids

Argon ion lasers

Solitons

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