Cao, Qianwen Wu, Lifang Wang, Ye Li, Hengji Liu, Xiaojie Xu, Tenglong Xiao, Qiling Xue, Chang Zou, Xingli Wu, Tianhao Juarez-Perez, Emilio J. Haro, Marta Donaev, S. B. Wang, Shenghao Bromine-functionalized carbazole derivatives in perovskite precursors: defect passivation for enhanced perovskite photovoltaics Nanoscale 10.1039/d6nr00102e 2026 2026