Femtosecond studies of photoexcited carriers and charge transfer nonlinearities in conducting polymers and oligomers

D. W. McBranch; Victor I Klimov; D. Vacar; A. J. Heeger

Femtosecond studies of photoexcited carriers and charge transfer nonlinearities in conducting polymers and oligomers

D. W. McBranch, Victor I Klimov, D. Vacar, A. J. Heeger

Los Alamos National Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The ultrafast photophysics of conjugated polymers such as poly(para-phenylene vinylene) (PPV) and its derivatives were studied to understand the nature and mechanisms of formation of the primary photoexcitations in these materials. Detailed knowledge of the photoexcitations is essential for developing optimized optoelectronic devices from these materials. Recent progress on several issues are reported: the nature of the intrinsic photoexcitations and nonlinear decay mechanisms in the PPV family; the use of photoinduced charge transfer in blends and bilayers with C₆₀ to achieve novel nonlinear optical effects; and the spatial extent of the photoinduced charge transfer in these systems.

Original language	English
Title of host publication	Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Editors	Anon
Publisher	IEEE
Pages	443-444
Number of pages	2
Volume	2
Publication status	Published - 1997
Event	Proceedings of the 1997 10th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS. Part 2 (of 2) - San Francisco, CA, USA Duration: Nov 10 1997 → Nov 13 1997

Other

Other	Proceedings of the 1997 10th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS. Part 2 (of 2)
City	San Francisco, CA, USA
Period	11/10/97 → 11/13/97

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering
Industrial and Manufacturing Engineering

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Femtosecond studies of photoexcited carriers and charge transfer nonlinearities in conducting polymers and oligomers. / McBranch, D. W.; Klimov, Victor I; Vacar, D.; Heeger, A. J.

Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. ed. / Anon. Vol. 2 IEEE, 1997. p. 443-444.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

McBranch, DW, Klimov, VI, Vacar, D & Heeger, AJ 1997, Femtosecond studies of photoexcited carriers and charge transfer nonlinearities in conducting polymers and oligomers. in Anon (ed.), Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. vol. 2, IEEE, pp. 443-444, Proceedings of the 1997 10th IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS. Part 2 (of 2), San Francisco, CA, USA, 11/10/97.

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AB - The ultrafast photophysics of conjugated polymers such as poly(para-phenylene vinylene) (PPV) and its derivatives were studied to understand the nature and mechanisms of formation of the primary photoexcitations in these materials. Detailed knowledge of the photoexcitations is essential for developing optimized optoelectronic devices from these materials. Recent progress on several issues are reported: the nature of the intrinsic photoexcitations and nonlinear decay mechanisms in the PPV family; the use of photoinduced charge transfer in blends and bilayers with C60 to achieve novel nonlinear optical effects; and the spatial extent of the photoinduced charge transfer in these systems.

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