BODIPY modified g-C3N4 as a highly efficient photocatalyst for degradation of Rhodamine B under visible light irradiation

作者：Wang, De-Gao; Tan, Pengfei; Wang, Huan; Song, Min; Pan, Jun^*; Kuang, Gui-Chao^*

来源：Journal of Solid State Chemistry, 2018, 267: 22-27.

DOI：10.1016/j.jssc.2018.08.002

• BODIPY
• g-C3N4
• Photocatalyst
• Rhodamine
• Visible light

Developing new energy resource as well as efficient treatment strategies to solve the energy crisis and organic pollutants problems is of crucial importance. Due to medium band gap and highly thermal stability, doped or chemically functionallized graphitic carbon nitride (g-C3N4) has been envisioned as promising photocatalysts in processing organic pollutants. In this work, we use 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) chemically modified g-C3N4 to degrade Rhodamine B (RhB) under visible light irradiation (lambda >= 420 nm). When the modified weight ratio of BODIPY in g-C3N4 reaches 0.6% (CN-0.6), the photocatalytic performance is nearly 3.5 times fast than that of without modification (CN-0). Enhanced visible light absorption and depressed electron-hole recombination rate may take responsibilities for the enhanced photocalytic performance. A possible mechanism responsible for this photocatalytic process is proposed. Our work might provide a new strategy to develop valid photocatalysts with broad visible light absorption.

• 出版日期2018-11
• 单位中南大学