Reducing the Voc Loss of Hole Transport Layer-Free Carbon-Based Perovskite Solar Cells via Dual Interfacial Passivation. - Zhang, Xian; Liu, Fangzhou; Guan, Yan; Zou, Yu; Wu, Cuncun; Shi, Dongchang; Zhang, Hongkai; Yu, Wenjin; Zou, Dechun; Zhang, Yangyang; Xiao, Lixin; Zheng, Shijian (Nano-Micro Letters, 2025)