Metal-free carbon materials for persulfate-based advanced oxidation process: Microstructure, property and tailoring
Metal-free carbon materials for persulfate-based advanced oxidation process: Microstructure, property and tailoring
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用于过硫酸盐高级氧化工艺的无金属碳材料：微观结构、性能和定制
DOI：
10.1016/j.pmatsci.2020.100654
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发表时间：
2020-06
影响因子：
37.4
通讯作者：
Ye Shujing
中科院分区：
文献类型：
--
作者：
Yu Jiangfang;Feng Haopeng;Tang Lin;Pang Ya;Zeng Guangming;Lu Yue;Dong Haoran;Wang Jiajia;Liu Yani;Feng Chengyang;Wang Jingjing;Peng Bo;Ye Shujing
无金属碳材料（MFCMs）作为一种新兴的高效过硫酸盐高级氧化技术（PS-AOP）催化剂，在环境治理中显示出巨大的工程应用潜力。然而，不同的催化性能和结构/表面特征的MFCMs之间的关系仍然是模糊的。本文在总结近年来实验和理论研究进展的基础上，系统地综述了多功能碳纳米管在PS-AOP中的催化活性、微观结构和电学性质之间的关系，详细讨论了不同构型（sp2、sp3和无定形）和不同维度（零维到三维）的多功能碳纳米管的催化性能。此外，还详细介绍了结构缺陷、杂原子掺杂、孔结构和表面官能团调控等不同的修饰方法对微胶囊在PS-AOP中催化活性的影响。最后，针对目前微流体力学在PS-AOP中应用所面临的挑战，从机理探索和材料开发两个方面进行了讨论和展望。
Metal-free carbon materials (MFCMs), as newly emerging efficient catalysts in persulfate-based advanced oxidation process (PS-AOP), have exhibited great engineering-application potential for environmental remediation. Nevertheless, the relationships between discrepant catalytic properties and structural/surface characteristics of MFCMs are still ambiguous. Herein, on the basis of the recent advances in experimental and theoretical researches, we provide a systematic review to give insight into the relationships among catalytic activity, microstructure and electrical properties of MFCMs in PS-AOP, where the catalytic diversities of MFCMs in different configurations (sp2,sp3and amorphous) and dimensionalities (zero to three dimensional) are discussed in detail. Besides, the effects of different tailoring engineering approaches, such as structure defect, heteroatom doping, and regulation of pore structure and surface functional groups, on the catalytic activity of MFCMs in PS-AOP are thoroughly summarized. Finally, critical discussion and future prospects in the aspects of mechanism exploration and possible materials development are proposed to confront the existing challenges in the application of MFCMs in PS-AOP.
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