Structural, Morphological, Optical Properties and Modelling of Ag Doped CuO/ZnO/AZO Solar Cell

Ilhan  Candan; Serap Yigit  Gezgin; Silan  Baturay; Hamdi Sukur  Kilic

doi:10.6000/2369-3355.2022.09.04

Authors

Ilhan Candan Department of Physics, Faculty of Science, Dicle University, 21280 Diyarbakir, Turkey https://orcid.org/0000-0001-9489-5324
Serap Yigit Gezgin Department of Physics, Faculty of Science, University of Selcuk, 42031 Selcuklu, Konya, Turkey
Silan Baturay Department of Physics, Faculty of Science, Dicle University, 21280 Diyarbakir, Turkey https://orcid.org/0000-0002-8122-6671
Hamdi Sukur Kilic Department of Physics, Faculty of Science, University of Selcuk, 42031 Selcuklu, Konya, Turkey; Directorate of High Technology Research and Application Center, University of Selcuk, 42031 Selcuklu, Konya, Turkey and Directorate of Laser-Induced Proton Therapy Application and Research Center, University of Selçuk, 42031 Konya, Turkey

DOI:

https://doi.org/10.6000/2369-3355.2022.09.04

Keywords:

Ag doping, CuO thin film, SCAPS-1D simulation, solar cell

Abstract

Copper (II) oxide (CuO) has attained significant attention from researchers because of its unique chemical and physical properties. Ag-doped CuO thin films have been produced on the soda glass substrate (SLG) by spin coating technique at different doping ratios. Structural, morphological, and optical properties of thin films produced depending on altered silver ratios have been examined through X-ray diffraction (XRD) spectroscopy, scanning electron microscopy (SEM), and UV-vis absorption spectroscopy, respectively. Band gaps of prepared undoped and 1% Ag-doped CuO thin films have been measured as 1.90eV and 1.63eV, respectively. Ag/undoped CuO and Ag-doped CuO/ZnO/AZO solar cells have been modelled, and their photovoltaic parameters have also been calculated using the SCAPS-1D simulation program. This work aims to investigate the photovoltaic parameters that would improve the efficiency of a solar cell. The effect of Ag atoms on the efficiency of CuO solar cells has been investigated depending on the acceptor density (N_a), the interface defect density (N_t), and the operating temperature. Ag-doped CuO solar cells have shown the highest efficiency for N_t=10¹⁰ cm^-3 and N_a=6, 5x10¹⁶ cm^-3 values. It has been well observed that as the operating temperature increases, the solar cells’ power conversion efficiency decreases. The highest charge generation rates in the undoped and Ag-doped solar cells have been determined as 1.49×10²²1/cm³.s and 1.51×10²⁵1/cm³.s, respectively. All the results, either theoretical or experimental, have been presented in this work and have been compared for a conclusion that has been made in detail.

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