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    A comparative study on TiO2 doped hybrid solar cells
    (Elsevier Science Bv, 2012) Ozdal, Teoman; Hames, Yakup; Aslan, Erdem
    In this study, n-type titanium (IV) oxide (TiO2) and p-type poly (3-hexylthiophene-2,5-diyl) (P3HT) structured various photovoltaic (PV) devices have been produced onto indium tin oxide (ITO) coated glass substrates. For the economy and simplicity, spin coating and doctor blading deposition methods were used in normal atmospheric conditions. The effect of the device morphology on the efficiency of the solar cells was investigated by applying various morphologies such as classic and optimized p-n junctions, bulk heterojunction (BHJ) and sandwich structures, respectively. Electrical characterizations of the devices were obtained under AM 1.5 G (100 mW/cm(2)) solar illumination. (c) 2012 Elsevier B.V. All rights reserved.