Ultrafast excitation energy transfer and exciton. Exciton annihilation processes in isolated light harvesting complexes of photosystem II (LHC II) from spinach

T. Bittner; K. D. Irrgang; G. Renger; M. R. Wasielewski

doi:10.1021/j100097a004

Ultrafast excitation energy transfer and exciton. Exciton annihilation processes in isolated light harvesting complexes of photosystem II (LHC II) from spinach

T. Bittner, K. D. Irrgang, G. Renger, M. R. Wasielewski

Northwestern University

Research output: Contribution to journal › Article › peer-review

97 Citations (Scopus)

Abstract

Excitation energy transfer and exciton-exciton annihilation in the isolated light-harvesting chlorophyll alb protein complex of spinach photosystem II (LHC II) has been studied by two-color absorption difference spectroscopy with femtosecond time resolution. The kinetic curves of the transient absorption changes at 680 nm show a remarkable intensity dependence which is ascribed to exciton-exciton annihilation. It is concluded that annihilation processes preferably occur among excited singlet states of Chl a molecules.

Original language	English
Pages (from-to)	11821-11826
Number of pages	6
Journal	Journal of physical chemistry
Volume	98
Issue number	46
DOIs	https://doi.org/10.1021/j100097a004
Publication status	Published - Jan 1 1994

ASJC Scopus subject areas

Engineering(all)
Physical and Theoretical Chemistry

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Ultrafast excitation energy transfer and exciton. Exciton annihilation processes in isolated light harvesting complexes of photosystem II (LHC II) from spinach. / Bittner, T.; Irrgang, K. D.; Renger, G.; Wasielewski, M. R.

In: Journal of physical chemistry, Vol. 98, No. 46, 01.01.1994, p. 11821-11826.

Research output: Contribution to journal › Article › peer-review

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AU - Wasielewski, M. R.

PY - 1994/1/1

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N2 - Excitation energy transfer and exciton-exciton annihilation in the isolated light-harvesting chlorophyll alb protein complex of spinach photosystem II (LHC II) has been studied by two-color absorption difference spectroscopy with femtosecond time resolution. The kinetic curves of the transient absorption changes at 680 nm show a remarkable intensity dependence which is ascribed to exciton-exciton annihilation. It is concluded that annihilation processes preferably occur among excited singlet states of Chl a molecules.

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Ultrafast excitation energy transfer and exciton. Exciton annihilation processes in isolated light harvesting complexes of photosystem II (LHC II) from spinach

Abstract

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