The worldwide increasing demand for energy rises the interest in renewable energies.Today,photovoltaic devices are well established for conversion of solar energy into electricity and mostly based on silicon technology.With respect to next generation photovoltaic devices,inorganic-organic hybrid solar cells gain growing attention.These solar cells combine the advantages of the inorganic material like titania(titanium dioxide)with the advantages of organic materials,which are cheap,lightweight,easily manufactured and can be used on flexible substrates.In contrast to dye-sensitized cells no dye is necessary anymore and thus all problems related to the dye material such as photo-bleaching are ruled-out.
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