Fabrication and characterization of perovskite-based solar cell using TiO2 as an electron transporting layer and 2,2’,7,7’-tetrakis-(N,N-di-4-methoxyphenylamino) -9,9’-spirobifluorene as a hole transporting layer (HTL) have been performed for improving the photovoltaic performance. The purpose of the present study is to investigate a role of halogen doping using iodine, bromine and chlorine compounds on the photovoltaic performance such as short-circuit current density, open−circuit voltage, conversion efficiency and microstructures of HC(NH2)2PbI3-x-yBrxCly perovskite solar cells. The photovoltaic properties were investigated by current-voltage curves under light irradiation, incident photon to current conversion efficiency, X-ray diffraction and optical microscopy. The photovoltaic performance and optical properties were influenced by halogen addition into the perovskite crystal structure.

Topics
Doping, Electronic transport, Short circuit, Electrical properties and parameters, Optical microscopy, Photovoltaics, Solar cells, Perovskites, X-ray diffraction
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