Hydroxylated coal-derived graphene oxide as a multifunctional interlayer enabling high-performance carbon-based perovskite solar cells. - Zhong, Zhenwu; Zhao, Ke; Hu, Qixu; Cheng, Jian; Wang, Ying; Zhang, Wenjun; Zhang, Yan; Mi, Hongyu; Guo, Changyan; Abulizi, Xiaokaiti; Ko, Min Jae; Xie, Yahong (Solar Energy, 2026)