Investigation on guanidinium bromide incorporation in methylammonium lead iodide for enhanced efficiency and stability of perovskite solar cells

•Guanidinium bromide (GABr) incorporated MAPI has been explored for the first time.•Enhanced grain size was achieved for the films fabricated using 10% GABr.•Enhanced PCE (16.70 ± 0.20%) was observed for the 10% GABr-based PSCs compared to MAPI (15.35 ± 0.15%).•10% GABr-based PSCs showed stable PCE...

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Bibliographic Details

Published in:	Solar energy Vol. 253; pp. 1 - 8
Main Authors:	Balaji Gandhi, Mano, Valluvar Oli, Arivazhagan, Nicholson, Stefan, Adelt, Milan, Martin, Robert, Chen, Yu, Babu Sridharan, Moorthy, Ivaturi, Aruna
Format:	Journal Article
Language:	English
Published:	Elsevier Ltd 15-03-2023
Subjects:	Compositional engineering Guanidinium bromide Mixed halide perovskite Multiple cation perovskite Surface passivation Multiple cation perovskite Compositional engineering Mixed halide perovskite Surface passivation Guanidinium bromide
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