期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 895, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2021.115510
关键词
Doping; Nanotubes; Transition metal; Heterostructure; Photocatalysis; g-C3N4
资金
- National Natural Science Foundation of China [5197214, 551772130]
- Independent Innovation Team from Ji Nan Science & Technology Bureau [2019GXRC016]
- Australian Research Council [DP180100731, DP180100568]
Graphitic carbon nitride (g-C3N4), as a metal-free and visible-light-responsive photocatalyst, has attracted considerable attention in recent years due to its outstanding photocatalytic activity and wide applications. Transition metal modification offers the possibility of enhancing the performance of g-C3N4-based catalysts.
As a metal-free and visible-light-responsive photocatalyst, graphitic carbon nitride (g-C3N4) has been attracting considerable attention recent years due to its outstanding photocatalytic activity, low cost, appealing electronic band structure, high physicochemical stability, earth-abundant nature, and wide applications. The photocatalytic efficiency of g-C3N4 and g-C3N4-based materials involving H2 generation from H2O splitting depends on the separation and transport efficiency of the photogenerated charge carriers. Transition metal modification on g-C3N4/N-doped carbon nanotube-based catalysts offer the possibility of enhancing photo-/electro-catalytic performances of the materials. This review summarizes a panorama of the recent advances in development of gC3N4/N-doped carbon nanotube based catalysts including (1) synthesis of tubular g-C3N4 based catalysts via various methods, e. g., templating method and non-metal and transition metal doping; (2) construction of nanotubes with enhanced photo/electro-chemical water splitting efficiency and investigation of the effects of nonmetal doping on the substrates; (3) the effect of transition metals (e.g., transition metal single atom and metal alloy) modification on the catalytic performances of the nanotubes; (4) recent development in construction of g-C3N4/N-doped carbon nanotube based heterostructures and the photocatalytic applications of the composite materials. The review attempts to cover the latest advances in development of next-generation g-C3N4-based nanotube catalysts.
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