2024
DOI: 10.1021/acsaom.4c00020
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Improving the Stability of Lead-Free CsSnBr3 Halide Perovskite by DDAB-Assisted Postpassivation Surface Engineering

Anjana Yadav,
Charu Dubey,
Sunil Kumar Singh
et al.

Abstract: Lead-based halide perovskites (HPs) have become a center of attention in the field of optoelectronics; however, the toxic nature of lead is a bottleneck in their long-term commercial exploration. The Sn-based HPs are being considered as potential substitutes; however, their poor stability under ambient conditions is a major challenge. To address this, we have attempted postpassivation of CsSnBr 3 with didodecyldimethylammonium (DDAB), a biexchange ligand. This ligand replaces the weak surface capping of OAm wi… Show more

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