Abstract
Perovskite material has emerged as an attractive strategy to efficiently convert light into electricity. We are using organic–inorganic–halide CH3NH3PbI3 as a heart of solar cells with the device structure: FTO/compact TiO2/mesoporous TiO2/perovskite/spiro-MeOTAD/Au. The 1.51 eV energy bandgap is in the perovskite material which is great for power conversion efficiency. We are studying the degradation of perovskite solar cell device in the presence of UV light and white light, for a clear understanding of degradation we are measuring I–V characteristics and dielectric properties under various conditions. The schematic energy level diagram shows that electron–hole transport in the tuneable energy band of the intermediate layer of the device. Due to high light absorption, photovoltaic and diffusion length properties of perovskite is the most appropriate material for solar cell application.
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