Photoexcitation spectroscopy of photoinduced electron transfer in conducting polymer-Buckminsterfullerene composites

Laura B. Smilowitz; Niyazi Serdar Sariciftci; Richard Wu; C. Gettinger; Alan J. Heeger; Fred Wudl; Gary Wang; John Edward Bowers

doi:10.1117/12.148454

23 July 1993 Photoexcitation spectroscopy of photoinduced electron transfer in conducting polymer-Buckminsterfullerene composites

Laura B. Smilowitz, Niyazi Serdar Sariciftci, Richard Wu, C. Gettinger, Alan J. Heeger, Fred Wudl, Gary Wang, John Edward Bowers

Author Affiliations +

Proceedings Volume 1852, Nonlinear Optical Properties of Advanced Materials; (1993) https://doi.org/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, and 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); https://doi.org/10.1117/12.148454

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