DOI: 10.1039/d6el00094k ISSN: 3033-4063
H 2 O-induced PbI 2 pre-nucleation enhances uniformity, phase stability, and efficiency in carbon-based, HTL-free perovskite solar cells
Sheng Yang, Luning Li, Yukai Liu, Suyi Yang, Chaofan Guo, Weidong Zhu, Baoyuan Wang, Jinzhan SuH 2 O-assisted precursor regulation suppresses surface Cl enrichment, enabling efficient and reproducible HTL-free carbon-based PSCs over 20–70% RH.