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Molecular control of recombination dynamics in dye sensitised nanocrystalline TiO2 films
John N Clifford1, Gökhan Yahioglu, Lionel R Milgrom
1Imperial College of Science and Medicine, Department of Chemistry, Exhibition Road, London, UK SW7 2AY.
Chemical Communications (Cambridge, England)
|July 12, 2002
Abstract:
Modification of the structure of a porphyrin dye shows a significant change in the rate of charge recombination between injected electrons in the TiO2 and the oxidized dye anchored to it following optical excitation, offering an insight into fundamental understanding of processes occurring at the dye/semiconductor interface.