Synergistic modulation of electron transport layer and perovskite via CrB MBene interfacial engineering in hole transport layer-free carbon-based CsPbI2Br perovskite solar cells - Yinuo Liu; Chang Xu; Liqiang Jin; Jingyuan Ma; Jianing Guo; Xuan Li; Yanli Zeng; Mingxing Wu (Chemical Engineering Journal, 2026)