MXene基材料在光催化领域中的应用研究

Application research of MXene based materials in the field of photocatalysis

二维过渡金属碳化物、氮化物或碳氮化物(MXene)具有高电子传导率、可调的带隙结构、较大的比表面积,被广泛用于光催化领域。本文综述了MXene基光催化复合材料在能源与环境方面的研究进展,着重介绍了MXene基复合材料在光催化产氢、还原CO_(2)、降解污染物这3个方面新的合成策略、形态、结构和机理。并阐述了MXene基复合材料的合成策略、组分、形态、结构与其光催化性能之间的构效关系。最后,对提升该类复合材料在光催化领域中的应用需要进一步开展的研究提出了思考并进行了展望。

Two-dimensional transition metal carbide and nitride,or carbonitrides(MXene)has high electron conductivi-ty,adjustable band gap structure and large specific surface area.It is widely used in the field of photocatalysis.We re-view the research progress of MXene based photocatalytic composites in energy and environment.We highlight the new synthesis strategies,morphology,structure and mechanism of MXene based composites in photocatalytic hydrogen pro-duction,reduction of carbon dioxide,and degradation of pollutants.And we illustrate the structure-activity relationship between the synthesis strategy,component,morphology and structure of MXene based composite and photocatalytic prop-erties.Finally,we put forward the further research so as to improve the application of MXene based composites in the field of photocatalysis.