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首页> 外文期刊>Chemosphere >Graphitic carbon nitride (g-C_3N_4)-based photocatalysts for water disinfection and microbial control: A review
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Graphitic carbon nitride (g-C_3N_4)-based photocatalysts for water disinfection and microbial control: A review

机译：石墨化氮化碳（g-C_3N_4）基光催化剂用于水消毒和微生物控制：综述

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Microbial contamination in drinking water is of great concern around the world because of high pathogenic risks to humans. Semiconductor photocatalysis has aroused an increasing interest as a promising environmental remediation technology for water disinfection and microbial control. Among various photocatalysts, graphitic carbon nitride (g-C3N4), as a fascinating two-dimensional conjugated polymer consisting of low-cost, earth-abundant elements, has drawn broad attention as a robust, metal-free, and visible-light-active material in the fields of both environmental remediation and solar energy conversion. Photocatalytic applications of g-C3N4-based nanomaterials for water splitting, hydrogen production, carbon dioxide reduction, and pollutant degradation have been extensively investigated and systematically reviewed. In contrast, their antimicrobial properties have been explored more recently due to the complex structure and unique metabolism of living microorganisms compared with chemicals. The corresponding rapidly increasing research efforts in the last five years have inspired us to conduct the review. This review is the first to comprehensively summarize the progress in design and antimicrobial performance of g-C3N4-based photocatalysts for water disinfection and microbial control, involving not only bacteria but also viruses and microalgae. Moreover, the underlying inactivation mechanisms of photocatalysts for microorganisms are evaluated to provide further understanding of g-C3N4-based advanced disinfection processes. In addition, some exciting future opportunities and challenges at the forefront of this research platform are pointed out. It is expected that this review can pave a new avenue for the development of a facile, cost-effective, environmental-friendly, and sustainable disinfection alternative. (C) 2018 Elsevier Ltd. All rights reserved.
机译：由于对人类的高致病性风险，饮用水中的微生物污染引起了全世界的极大关注。半导体光催化作为一种​​有前景的用于水消毒和微生物控制的环境修复技术引起了越来越多的兴趣。在各种光催化剂中，石墨氮化碳（g-C3N4）作为一种由低成本，富含地球的元素组成的引人入胜的二维共轭聚合物，作为一种坚固，不含金属和可见光的活性剂，引起了广泛关注。环境修复和太阳能转换领域的材料。基于g-C3N4的纳米材料在水分解，制氢，减少二氧化碳和污染物降解方面的光催化应用已得到广泛研究和系统评价。相反，由于与化学药品相比，活微生物的复杂结构和独特的新陈代谢，它们的抗菌特性得到了更近的探索。在过去的五年中，相应的快速增加的研究努力启发了我们进行审查。这篇综述是首次全面总结基于g-C3N4的水消毒和微生物控制的基于g-C3N4的光催化剂的设计和抗菌性能的进展，不仅涉及细菌，还涉及病毒和微藻。此外，对微生物的光催化剂的基本失活机理进行了评估，以进一步了解基于g-C3N4的高级消毒过程。此外，指出了该研究平台最前沿的令人兴奋的未来机遇和挑战。预计这次审查可以为开发一种简便，经济高效，环保和可持续的消毒替代品铺平道路。 （C）2018 Elsevier Ltd.保留所有权利。

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