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Ultrafast Dynamics of Fe(II) Polypyridyl Chromophores: Design Implications for Dye-Sensitized Photovoltaics

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Abstract

Femtosecond time-resolved spectroscopy has been used to probe charge transfer-state deactivation in Fe(II) complexes. A sub-100 fs process is implicated as a reason why TiO2-based photovoltaic devices utilizing these chromophores as sensitizers exhibit low photocurrents.

© 2006 Optical Society of America

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