Abstract

Due to the unique electronic structure and excellent chemical stability, graphitic carbon nitride (g-C3N4) polymeric semiconductor has attracted more and more widespread concern. Moreover, the raw materials for the synthesis of g-C3N4 are various and widely available. These advantages have altogether promoted the rapid development of g-C3N4. Compared with bulk g-C3N4, mesoporous g-C3N4 (MCN) possesses more prominent natures, such as large pore volume, high specific surface area, and the increased amount of surface-active sites. Therefore, great efforts have been devoted to developing MCN. Up to now, there have been many methods for the synthesis of MCN, such as soft-template methods, hard-template methods, template-free methods, sol–gel polymerization methods, and so on. In this chapter, the recent studies on the synthesis methods of MCN as well as the modifications of MCN were summarized. In addition, the future development of MCN was outlooked in the end.

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