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Probing charge dynamics in bare and dye-sensitized ZnO nanocrystals with time-resolved XPS

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Abstract

Time-resolved XPS is used to monitor charge carrier dynamics in bare and dye-sensitized ZnO nanoparticle films upon sub-bandgap excitation. Results are discussed in the context of impurity-related bandgap states and electron transfer from the chromophore.

© 2016 Optical Society of America

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