Raman and impedance spectroscopy of blend polycarbonate and zinc oxide layers grown by sol-gel method

Confocal Raman spectroscopy has been applied to investigate blend polycarbonate and ZnO thin layers with different thicknesses and different content of ZnO. The admittance spectroscopy has been applied to correlation of optical and electrical properties of these layers used in electroluminescence diodes and photovoltaic cells. The thermally stimulated current (TSC) and I–V (DC and AC) characteristics have been applied to the study of the deep levels in ZnO thin films grown by sol-gel method onto Si substrates. The surface morphology of the samples were investigated by scanning microscopy and X ray diffraction.