Silane Doping for Efficient Flexible Perovskite Solar Cells with Improved Defect Passivation and Device Stability
Xiaomei Chen,
Ling Ai,
Hong Ji
et al.
Abstract:In this work, doping 3-amino-propyl triethoxysilane (APTES) into a perovskite precursor is proven to be an effective strategy, which can passivate crystal defects, control the crystallization rate, and improve the morphology. APTES can form oligomers through hydrolysis and a condensation reaction, thus blocking the invasion of external water molecules. In addition, the lone pair electrons on the N atom in the amino group of APTES form a coordination bond with perovskite by sharing the empty 6p orbital on Pb 2+… Show more
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