Efficiently photocatalytic conversion of CO2 on ultrathin metal phthalocyanine/g-C3N4 heterojunctions by promoting charge transfer and CO2 activation

• Published in: Applied catalysis. B, Environmental Vol. 277; p. 119199
• Main Authors: Sun, Jiawen, Bian, Ji, Li, Jiadong, Zhang, Ziqing, Li, Zhijun, Qu, Yang, Bai, Linlu, Yang, Zhao-Di, Jing, Liqiang
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 15.11.2020; Elsevier BV
• Subjects: Activation; Assembly; Carbon dioxide; Carbon nitride; Catalytic activity; Charge transfer; Chemical reduction; CO2 reduction; Copper; Heterojunctions; High-level-energy electron transfer; Hydrogen bonding; Hydroxyl groups; Irradiation; Light irradiation; Metal ions; Metal phthalocyanine assembly; Metal phthalocyanines; Photocatalysis; Ultrathin g-C3N4; Ultraviolet radiation; Metal phthalocyanine assembly; Ultrathin g-C3N4; CO2 reduction; Photocatalysis; High-level-energy electron transfer

[Display omitted] •Ultrathin dimension-matched MPc/T-CN heterojunctions are controllably synthesized.•CuPc is highly dispersed on T-CN via formed H-bonding by surface hydroxyl-induced assembly.•The optimized heterojunction exhibits about 10-fold improved photoactivity for CO2 reduction.•The exceptio...