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Justin M. Hodgkiss, Sebastian Albert-Seifried, Akshay Rao, Alex J. Barker, Andrew R. Campbell, R. Alex Marsh and Richard H. Friend Exciton-Charge Annihilation in Organic Semiconductor Films Advanced Functional Materials 22

Article first published online: 16 FEB 2012 | DOI: 10.1002/adfm.201102433

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Time-resolved optical spectroscopy is used to probe exciton-charge annihilation reactions in organic semiconductor films. A strong effect due to the optical resonance between singlet excitons and charges is found. The pronounced morphology and excitation density dependence of exciton-charge annihilation described has important implications for the application of time-resolved spectroscopy to organic photovoltaic blends.

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