Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)
Publication date: 22nd December 2022
Various research efforts are being pursued with the purpose of realizing carbon neutrality. Since most of the researched oxides are relatively more stable than most solar cell technologies that don't implement silicon and are made of safe materials, solar cells based on oxide materials are a good contender for that purpose. Currently, the record efficiency of All-oxide PV cells, which are fabricated from reactive sputtering of stable p-type Cu2O is 8.4%. The combination of a Cu2O top cell and a Si bottom cell is ideal for realizing higher efficiency tandem solar cells. Oxygen content influences the defects formation in the oxide film among other deposition parameters. PXRD and Raman characterization have been performed in order to identify the present phase that being formed at different deposition conditions. It was found out that going slightly above or below 10 Sccm the phase formed would transform from Cu2O to CuO metallic phase.
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