Mechanosynthesis of pure phase mixed-cation MA x FA 1−x PbI 3 hybrid perovskites: photovoltaic performance and electrochemical properties

We report a facile mechanochemical route for the stabilization of a structurally stable α-FAPbI 3 perovskite by fine and controllable stoichiometry modification in mixed-cation (MA) x (FA) 1−x PbI 3 perovskites. Moreover, the mechanoperovskite with a composition of (MA) 0.25 (FA) 0.75 PbI 3 was used...

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Published inSustainable energy & fuels Vol. 1; no. 4; pp. 689 - 693
Main Authors Prochowicz, D., Yadav, P., Saliba, M., Saski, M., Zakeeruddin, S. M., Lewiński, J., Grätzel, M.
Format Journal Article
LanguageEnglish
Published 2017
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Summary:We report a facile mechanochemical route for the stabilization of a structurally stable α-FAPbI 3 perovskite by fine and controllable stoichiometry modification in mixed-cation (MA) x (FA) 1−x PbI 3 perovskites. Moreover, the mechanoperovskite with a composition of (MA) 0.25 (FA) 0.75 PbI 3 was used for solar cell fabrication showing a power conversion efficiency (PCE) of 14.98% with a high short circuit current ( J SC ) density at 23.7 mA cm −2 .
ISSN:2398-4902
2398-4902
DOI:10.1039/C7SE00094D