Abstract
AbstractChalcogenide perovskite materials came into the picture of photovoltaic technology since 2015. Their admirable structural, electronic and optical properties make them highly promising for solar energy conversion. They have immense potential to solve the stability and toxicity issues of conventional perovskite solar cells. The maximum theoretical power conversion efficiency reported for them is about 30 % which is similar to CH3NH3PbI3 perovskite material. However their application in photovoltaics is limited by several challenges. In this review, we tried to provide an overview of the structural features of the chalcogenide perovskite materials and critically highlighted computational and synthetic accomplishments in this area. Various techniques developed for synthesizing these materials so far, have also been summarized. Along with that, the challenges associated in designing these materials for improved optoelectronic properties are also addressed. Serious research efforts are urgently needed for the realization of the dream of chalcogenide perovskite material based solar cells in terms of optimization of optoelectronic properties, synthetic cost, processing of thin films and application in tandem solar cell devices. This review may facilitate further progress in chalcogenide perovskite material based thin film solar cell in the future.
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