Research Progress on Graphitic Carbon Nitride/Metal Oxide Composites: Synthesis and Photocatalytic Applications.
Research Progress on Graphitic Carbon Nitride/Metal Oxide Composites: Synthesis and Photocatalytic Applications.
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DOI：
10.3390/ijms232112979
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发表时间：
2022-10-26
影响因子：
5.6
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中科院分区：
文献类型：
--
作者：
虽然石墨氮化碳（g-C3N4）已经被报道了几十年，但由于其在包括光催化在内的许多应用中表现出的惊人性能，目前它仍然是一种活性材料。随着表征技术的快速发展，通过改性来揭示和利用g-C3N4的天然性质已经进行了深入的探索。其中，g-C3N4与金属氧化物的组装是一种有效的策略，不仅可以通过形成聚合物-无机异质结来提高电子-空穴分离效率，而且可以补偿g-C3N4由于金属离子氧化态变化而产生的氧化还原能力，增强其光催化性能。本文综述了g-C3N4的合成及其与单金属或多金属氧化物偶联的研究进展，以及g-C3N4在水裂解制氢、CO2还原为有价燃料、有机污染物降解和细菌消毒等能源生产和环境保护方面的光催化应用。最后，对g- c3n4基复合材料的合成和光催化应用提出了挑战和展望，并对其进行了展望。
Although graphitic carbon nitride (g-C3N4) has been reported for several decades, it is still an active material at the present time owing to its amazing properties exhibited in many applications, including photocatalysis. With the rapid development of characterization techniques, in-depth exploration has been conducted to reveal and utilize the natural properties of g-C3N4 through modifications. Among these, the assembly of g-C3N4 with metal oxides is an effective strategy which can not only improve electron–hole separation efficiency by forming a polymer–inorganic heterojunction, but also compensate for the redox capabilities of g-C3N4 owing to the varied oxidation states of metal ions, enhancing its photocatalytic performance. Herein, we summarized the research progress on the synthesis of g-C3N4 and its coupling with single- or multiple-metal oxides, and its photocatalytic applications in energy production and environmental protection, including the splitting of water to hydrogen, the reduction of CO2 to valuable fuels, the degradation of organic pollutants and the disinfection of bacteria. At the end, challenges and prospects in the synthesis and photocatalytic application of g-C3N4-based composites are proposed and an outlook is given.
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作者：
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9.5
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影响因子：
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Chen, Lu-Ya;Zhang, Wei-De
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