Optical, morphological and photovoltaic properties of CsPbI3 PSCs prepared using two different solutions
Abstract
The inorganic CsPbI3 active layers used as the active layer in perovskite solar cells (PSC) were investigated by varying the heating temperature and solvents. The optical, morphological, and photovoltaic properties of CsPbI3-based PSCs prepared in DMF and MAAc solvents were studied. The heating temperature of the CsPbI3 active layers was varied from 80 to 120◦C, and the photovoltaic parameters were monitored along with their optical properties. The optimal temperature for heating the CsPbI3 perovskite active layer was determined, leading to the formation of the black phase of CsPbI3. At the optimal heating temperature, the power conversion efficiencies (PCE) of CsPbI3-based PSCs prepared in DMF and MAAc solvents were found to be 8.8% and 9.9%, respectively.
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