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Molecular Crystals and Liquid Crystals Volume 589, 2014 - Issue 1: Proceedings of the Ninth International Conference on Electronic Processes in Organic Materials (ICEPOM-9)
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ELECTRONIC PROCESSES IN ORGANIC MATERIALS: PHYSICS

Role of Energy Transfer in Conversion of Light to Electric Energy

N. Ibrayev Institute of Molecular Nanophotonics, E.A. Buketov Karaganda State University, Karaganda, Kazakhstan
,
E. Seliverstova Institute of Molecular Nanophotonics, E.A. Buketov Karaganda State University, Karaganda, Kazakhstan
,
A. Aimukhanov Institute of Molecular Nanophotonics, E.A. Buketov Karaganda State University, Karaganda, Kazakhstan
&
T. Serikov Institute of Molecular Nanophotonics, E.A. Buketov Karaganda State University, Karaganda, Kazakhstan
Pages 202-208 | Published online: 28 Mar 2014
 
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Abstract

The role of nonradiative inductive-resonance energy transfer between molecules of Coumarine-7 and rhodamine dyes in the conversion of light into electric energy is studied. It is ascertained that the co-sensitization of a TiO2 solar cell by donor and acceptor molecules leads to an increase of the efficiency of conversion of light to energy. The measurements show that it is due to a widening of the photosensitivity of a cell into the blue region of the spectrum. The increase of the total energy absorbed promotes increasing the number of generated charge carriers at the interface of TiO2 and dyes.

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