Single-atom photocatalysts,due to their high catalysis activity,selectivity and stability,become a hotspot in the field of photocatalysis.Graphitic carbon nitride(g-C3N4)is known as both a good support for single atom...Single-atom photocatalysts,due to their high catalysis activity,selectivity and stability,become a hotspot in the field of photocatalysis.Graphitic carbon nitride(g-C3N4)is known as both a good support for single atoms and a star photocatalyst.Developing g-C3N4-based single-atom photocatalysts exhibits great potential in improving the photocatalytic performance.In this review,we summarize the recent progress in g-C3N4-based single-atom photocatalysts,mainly including preparation strategies,characterizations,and their photocatalytic applications.The significant roles of single atoms and catalysis mechanism in g-C3N4-based single-atom photocatalysts are analyzed.At last,the challenges and perspectives for exploring high-efficient g-C3N4-based single-atom photocatalysts are presented.展开更多
基金This work was supported by the National Postdoctoral Program for Innovative Talents of China,China Postdoctoral Science Foundation(No.2018M640759)the National Natural Science Foundation of China(Grant Nos.21872174 and U1932148)+5 种基金the Project of Innovation-Driven Plan in Central South University(No.20180018050001)the International S&T Cooperation Program of China(No.2017YFE0127800)Hunan Provincial Science and Technology Program(No.2017XK2026)State Key Laboratory of Powder Metallurgy,Shenzhen Science and Technology Innovation Project(No.JCYJ20180307151313532)the Hunan Provincial Science and Technology Plan Project(No.2017TP1001)Thousand Youth Talents Plan of China and Hundred Youth Talents Program of Hunan.
文摘Single-atom photocatalysts,due to their high catalysis activity,selectivity and stability,become a hotspot in the field of photocatalysis.Graphitic carbon nitride(g-C3N4)is known as both a good support for single atoms and a star photocatalyst.Developing g-C3N4-based single-atom photocatalysts exhibits great potential in improving the photocatalytic performance.In this review,we summarize the recent progress in g-C3N4-based single-atom photocatalysts,mainly including preparation strategies,characterizations,and their photocatalytic applications.The significant roles of single atoms and catalysis mechanism in g-C3N4-based single-atom photocatalysts are analyzed.At last,the challenges and perspectives for exploring high-efficient g-C3N4-based single-atom photocatalysts are presented.