Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 8, Issue 18, Pages 4576-4599Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cy01061g
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Funding
- National Natural Science Foundation of China [51608329]
- Natural Science Foundation of Guangdong [2017A030313315]
- Shenzhen Science and Technology Project [JCYJ20160520165135743, ZDSYS201606061530079]
- National Science Foundation of Shenzhen University [827-000223, 2016008]
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In recent years, graphitic carbon nitride (g-C3N4) has elicited interdisciplinary research attention and experienced a renaissance as a highly active metal-free and visible-light-driven photocatalyst due to it bringing about a dramatic cost-effective increase in the conversion of solar energy into electricity and fuels, along with its use under solar light for environmental purification. This is because of its appropriate electronic energy band structures, efficient optical absorption, and extraordinary thermochemical stability. In the current review, the cutting-edge research progress in the synthesis and design of high-efficiency g-C3N4-based nanomaterial photocatalysts with controllable structures and morphologies will be rationally discussed with special focus on a plenitude of not only photocatalytic applications in pollutant degradation and bacterial disinfection, but also photoredox applications towards H-2 production from water splitting, photocatalytic O-2 reduction to produce H2O2, N-2 photofixation, and photoreduction of CO2. Finally, this critical review will conclude with a summary and some outlooks on the ongoing challenges, which provide new research opportunities for the advancement of g-C3N4-based metal-free nanomaterial photocatalysts. It is envisaged that this review article will shed light on and pave the way for new research avenues for the rational design and synthesis of the next generations of g-C3N4 heterogeneous photocatalysts for the advancement of a sustainable future.
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