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Silicon photovoltaic is the most commonly used commercial technology. However it has limitation in terms of efficiency and cost effectiveness. As such there is a need to search for alternate technologies for conversion of solar energy into electricity. Organic photovoltaic (OPV) is one of the emerging R&D areas in this direction. In OPV two approaches are being used for fabrication of solar cells...
Thermally stimulated discharge current (TSD) behaviour of vacuum deposited polyvinylidene fluoride-chlorotrifluoroethylene copolymer films (~ 10000 A) has been studied as a function of polarization field (1.0 x 103 - 2.0 x 104 V/cm). The TSD spectra of these films show a single relaxation peak whose charge and peak current vary non-linearly with the polarization field. The origin of the relaxation...
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