Stability of unstable perovskites : recent strategies for making stable perovskite solar cells

Mali, Sawanta S. and Patil, Jyoti V. and Arandiyan, Hamidreza and Luque, Rafael and Hong, Chang Kook (2019) Stability of unstable perovskites : recent strategies for making stable perovskite solar cells. ECS Journal of Solid State Science and Technology, 8 (6). Q111-Q117. ISSN 2162-8769 (https://doi.org/10.1149/2.0201906jss)

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Abstract

Perovskite solar cells (PSCs) are now crossing the certified 23.2% power conversion efficiency (PCE), however, the stability of organic-lead halide perovskites, cost of additives doped hole transport layer (HTL) and upscaling from lab-scale to industrial scale without hampering its efficiency are challenging tasks for its commercial application. These problems could be tackled via different aspects which includes the synthesis of promising electron transport layers (ETLs) and HTLs, synthesis of mixed perovskites via combination of 3D and stable 2D perovskite, replacement of poor-stable methylammonium (MA) cation with MA free perovskite and capping inorganic materials will be the best choice toward highly efficient air-thermal-stable perovskite solar cells (PSCs). This perspective focuses on the current strategies in PSCs for making the stable PSCs via low-cost, easily processed components and shared our views toward commercialization.

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