We present a study on potovoltaic devices based on polymer and SiC nanoparticles (~30nm) in the matrix of polythiophen. The photovoltaic cell structure was ITO/polymer with SiC/Al. The photophysics of such photoactive devices are based on photoinduced charge transfer from donor type semiconducting conjugated polymers to acceptor type SiC nanoparticles. In the general context of organic photovoltaics, polymeric materials have a cutting edge since they combine the photoelectrical properties of semiconductors with the large scale/ low cost technology of polymeric materials.

For determination of basic parameters these new materials, the optical investigations have been performed. The optical methods comprised: integrating sphere, double beam reflectometer, XY optical profilometer measurements in the range from 190 nm to 2500 nm. Additionally for refraction n and extinction k coefficients the ellipsometric study has been done.

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