Macroscopic 3D Porous Graphitic Carbon Nitride Monolith for Enhanced Photocatalytic Hydrogen Evolution.

Liang, Qinghua; Li, Zhi; Yu, Xiaoliang; Huang, Zheng-Hong; Kang, Feiyu; Yang, Quan-Hong · Adv Mater · 2015

basic_science · Level V

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Abstract

A macroscopic 3D porous graphitic carbon nitride (g-CN) monolith is prepared by the one-step thermal polymerization of urea inside the framework of a commercial melamine sponge and exhibits improved photocatalytic water-splitting performance for hydrogen evolution compared to g-CN powder due to the 3D porous interconnected network, larger specific surface area, better visible light capture, and superior charge-separation efficiency.