Surface Engineering of 2D Carbon Nitride with Cobalt Sulfide Cocatalyst for Enhanced Photocatalytic Hydrogen Evolution

Abstract

140 times that of 2D g-C 3 N 4 . The good result indicates the positive role of the Co 9 S 8 cocatalyst for active site engineering on 2D g-C 3 N 4 .

Recent Developments in Graphitic Carbon Nitride and Its Interfaces for Effective Water Splitting

“…As Photocatalyst: Recently, constructions of interface between narrow bandgap semiconductors and g-C 3 N 4 to prepare efficient and broadband photocatalyst have drawn great interest. [171] In particular, the layered transition metal chalcogenides (TMDs) such as MoS 2 , WS 2 , SnS 2 , NiS, CoS and many more have been explored as new front in the field of photocatalytic water splitting. These layered transition metal chalcogenides are promising candidate due to easy fabrication, comparable electronic characteristics to 2D layered graphene.…”

Tailor‐Engineered 2D Cocatalysts: Harnessing Electron–Hole Redox Center of 2D g‐C3N4 Photocatalysts toward Solar‐to‐Chemical Conversion and Environmental Purification

“…For future development, it can be expanded to other arising materials such as cobalt sulfide (Co 9 S 8 ), which was recently employed by Xu et al as the noble-metal-free cocatalyst to bolster the H 2 evolution activity of bare g-C 3 N 4 by 140 times. [251] The outstanding performance was also reflected by the established interfacial CoN x bonds, which shortened the gap distance and ensured a tight interface connection for incredibly good charge transfer.…”

“…as the noble‐metal‐free cocatalyst to bolster the H 2 evolution activity of bare g‐C 3 N 4 by 140 times. [ 251 ] The outstanding performance was also reflected by the established interfacial CoN x bonds, which shortened the gap distance and ensured a tight interface connection for incredibly good charge transfer.…”