The energy scarcity is exacerbating and needs an urgent solution. The most plausible solution to address the forthcoming energy scarcity is to diversify the energy sources. Developing the water-splitting process (WSP) efficiency depends on solar energy representing "21st-century dream technology". We present a comprehensive review of related papers employing graphitic carbon nitride (g-CN) as pure, doped, or composite nanostructure in the evolution of hydrogen from water dissociation under simulated sunlight irradiation, mainly in the last ten years. Herein, after a concise introduction to the main principle of the water-splitting process, the methods to synthesize, modify and upgrade the photocatalytic performance of g-CN were reviewed in detail. Moreover, the main challenges of using g-CN-based photocatalytic material in WSP have been mentioned. The report mainly targets the g-CN character, synthesis method, photocatalytic activity, and strategies toward enhancing photoreactivity under visible light, along with the reusability of the fabricated nanohybrid catalysts. Above and over, this review suggests the potential of g-CN to produce green H from water at a competitive price, which can contribute to satisfying the global energy sector demand and suppressing global warming.
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| http://dx.doi.org/10.1016/j.cis.2022.102722 | DOI Listing |
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