Weng Sunxian, Fang Zhibin, Wang Zhenfeng, Zheng Zuyang, Feng Wenhui, Liu Ping
Research Institute of Photocatalysis, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University , Fuzhou 350002, P. R. China.
ACS Appl Mater Interfaces. 2014 Nov 12;6(21):18423-8. doi: 10.1021/am5052526. Epub 2014 Oct 22.
Teethlike homojunctions BiOCl (001) nanosheets with tunable photoresponse were constructed by selective etching with triethanolamine and allowed fast charge separation across the interfaces to facilitate photocatalysis. The unique microstructure exhibits a superior photocatalytic activity that can be ascribed to the combined interaction of the high UV/vis light harvest, high photogenerated charge separation efficiency, and the fast interfacial charge-transfer rate based on the unique homogeneous topotactic structure. We believe that the creation of this new model junction may be a great aid in the design and preparation of efficient semiconductor based photocatalysts and a new understanding of the essential relation between the junction and the photocatalytic activity.
通过三乙醇胺选择性蚀刻构建了具有可调光响应的类牙齿同质结BiOCl（001）纳米片，并使其在界面上实现快速电荷分离以促进光催化。独特的微观结构表现出优异的光催化活性，这可归因于基于独特的均匀拓扑结构的高紫外/可见光捕获、高光生电荷分离效率以及快速界面电荷转移速率的综合相互作用。我们相信，这种新型结的创建可能对高效半导体基光催化剂的设计和制备有很大帮助，并有助于对结与光催化活性之间的本质关系有新的理解。
