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Exciton Diffusion and Interfacial Charge Separation in Photovoltaic Materials studied by Microwave Conductivity

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Abstract

It is demonstrated how the laser-induced Time-Resolved Microwave Conductivity Technique can be used to determine the singlet or triplet exciton diffusion length in organic dye layers, as well as the efficiency for electron injection into a semiconductor. Knowledge of these processes is of prime importance for optimization of (nanostructured) hybrid photovoltaics.

© 2010 Optical Society of America

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