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Öğe Analysis of electrical and photoelectrical properties of ZnO/p-InP heterojunction(Elsevier, 2011-06) Ocak, Yusuf Selim; Kulakçı, Mustafa; Turan, Raşit; Kılıçoğlu, Tahsin; Güllü, ÖmerA ZnO/p-InP heterojunction has been fabricated by dc sputtering of ZnO on p-InP. It has been observed that the device has a good rectification. The electrical properties of the device such as ideality factor, barrier height, series resistance have been calculated using its current-voltage (I-V) measurements between 300 and 380 K with 20 K intervals. The short current density (Jsc) and open circuit voltage (Voc) parameters have been determined between 40 and 100 mW/cm2. The photovoltaic parameters of the device have been also determined under 100 mW/cm2 and AM1.5 illumination condition.Öğe The hydrothermal synthesis of ZnO-CdO composite and physical and electrical characterization(Batman Üniversitesi, 2018-12-28) Aksu Canbay,Canan; Jameel Biro, Safiye; Özkul, İskenderIn this study, ZnO-CdO composites were synthesized by hydrothermal method. Two different contents of the nano-composites have been fabricated for the investigation of structural, morphological, optical and electrical properties. X-ray diffraction (XRD), FTIR, scanning electron microscopy (SEM), UV-VIS-NIR spectrophotometer and two probe methods were used for these analyses. At the same time, the chemical analysis of the sample was measured by EDX analysis. The TG-DTA analyses were made to determine the thermal stability. The optical band gap of composites was found to be 2.78 and 3.06 eV, respectively, with an increase in the content of the Zn precursor.
