journal article·2020-10-01Open access

Latest progress in g-C3N4 based heterojunctions for hydrogen production via photocatalytic water splitting: a mini review

Baker Rhimi, Chuanyi Wang, Detlef W Bahnemann

Journal of Physics: Energy· Volume 2· Issue 4

Abstract

Abstract 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-C3N4 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 H2 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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Research context

OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · MXene and MAX Phase Materials

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