Journal
JOURNAL OF PHYSICS-ENERGY
Volume 2, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2515-7655/abb782
Keywords
hydrogen production; g-C3N4; heterojunction; Z-scheme; S-scheme; schottky junction
Funding
- National Natural Science Foundation of China [21976116]
- Shaanxi Science and Technology Program [2020KWZ-005]
- SAFEA of China (High-end Foreign Expert Project)
- Alexander-von-Humboldt Foundation of Germany (Group-Linkage Program)
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Graphitic carbon nitride based heterojunction photocatalysts have gained increasing attention in producing the clean energy source of hydrogen. Coupling carbon nitride (g-C3N4) with other semiconductor materials or metals as co-catalysts is considered as an effective strategy to overcome the drawbacks of g-C(3)N(4)such as the quick recombination of photogenerated charges. In this review, the recent research advancements in the construction of g-C3N4-based heterojunctions as well as their different charge separation/transfer mechanisms will be systematically discussed, making special emphasis on the design and fabrication of type-II, Z-scheme, S-scheme and Schottky heterojunctions and their application towards H(2)generation from water splitting. Finally, a summary and some crucial issues, which should be further resolved for developing advanced g-C3N4-based heterojunction photocatalysts, are presented.
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