TiO_2/MXene纳米复合材料的可控制备及在光催化和电化学中的应用研究进展
Research progress on controllable preparation of TiO_2/MXene nanocomposites and applications in photocatalysis and electrochemistry
查看参考文献47篇
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文摘
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TiO_2纳米材料因其存在高的光生电子-空穴对复合速率、电子迁移率低、导电性差以及可逆容量低等问题,使其在光催化和电化学等领域的应用受到限制。MXene(M_(n+1)X_nT_x)作为一种新型的二维过渡金属碳化物、氮化物或碳氮化物,具有独特的二维层状结构、良好的金属导电性和较高的载流子迁移率等特性,将其引入TiO_2纳米材料中构建TiO_2/MXene纳米复合材料,利用两者的协同作用可进一步提高光电性能。本文从TiO_2纳米材料的角度出发,系统综述了零维、一维和二维TiO_2与MXene纳米复合材料的可控制备、结构性能及在光催化和电化学领域应用的最新研究进展,并着重介绍了纳米复合材料的构筑机理及MXene对提高TiO_2的光催化和电化学性能的增强机制等,分析了目前TiO_2/MXene复合材料的制备及其在光催化和电化学领域应用中存在的不足。此外,从优化制备工艺、提升性能和探索相应的性能增强机制等方面对未来TiO_2/MXene复合材料的研究方向进行了展望。 |
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其他语种文摘
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TiO_2 nanomaterials have many disadvantages,including high photo-generated electron-hole recombination rate,low electron mobility,poor electrical conductivity and low reversible capacity, which have restricted application in the fields of photocatalysis and electrochemistry.MXene(M_(n+1)X_n T_x),a new type of two-dimensional transition metal carbides,nitrides,or carbonitrides,has a unique two-dimensional layer structure,excellent electrical conductivity,and high carrier mobility.By introducing MXene into TiO_2 nanomaterials to construct the TiO_2/MXene nanocomposites,the synergistic effect of MXene and TiO_2 can further improve photocatalysis and electrochemistry properties.From the perspective of TiO_2 nanomaterials,the latest research progress on the controllable preparation,structural properties,applications in photocatalysis and electrochemistry of zero-dimensional,one-dimensional,and two-dimensional TiO_2 with MXene nanocomposites were reviewed.In particular,the construction mechanism of namocomposites and the enhancement mechanism of photocatalysis and electrochemistry properties of TiO_2 by MXene were emphasized.The shortcomings of the existing research on preparation of TiO_2/MXene composites and its applications in photocatalysis and electrochemistry were analyzed.Furthermore,the future research directions of TiO_2/MXene composites from the aspects of optimizing the preparation process,improving the properties and exploring the property enhancement mechanism were also prospected. |
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来源
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材料工程
,2021,49(8):54-62 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2020.000556
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关键词
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TiO_2/MXene纳米复合材料
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TiO_2纳米材料
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MXene
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光催化
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电化学
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地址
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1.
齐鲁工业大学(山东省科学院)化学与化工学院, 济南, 250353
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齐鲁工业大学(山东省科学院), 山东省高校轻工精细化学品重点实验室, 济南, 250353
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1001-4381 |
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学科
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一般工业技术 |
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基金
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国家自然科学基金
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山东省自然科学基金
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山东省重点研发计划资助项目
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济南市高校院所创新团队资助项目
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文献收藏号
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CSCD:7034906
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