在可见光下，BiWMoO固溶体纳米管上CO光还原为CO/CH。
CO photoreduction to CO/CH over BiWMoO solid solution nanotubes under visible light.
作者信息
Wang Yang, Liu Jiaxu, Wang Ye, Zhang Mingyi
机构信息
Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University Harbin 150025 PR China
School of Materials Science and Engineering, Zhengzhou University Zhengzhou 45001 PR China.
出版信息
RSC Adv. 2020 Feb 28;10(15):8821-8824. doi: 10.1039/d0ra00672f. eCollection 2020 Feb 27.
In this work, BiWMoO solid solution nanotubes have been synthesized through a structure-directing hard template approach, which demonstrated greatly enhanced CO photoreduction to CO/CH. The crystalline phase, components and morphologies of the as-prepared composites were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The present design of BiWMoO solid solution nanotubes leads to remarkably enhanced photocatalytic activities with a peak CO/CH production rate of 6.55/3.75 mmol g h under visible light irradiation at room temperature, which was about 7 times that on pure BiWO and BiMoO nanotubes, respectively. Hollow nanotubular structures and synergistic electronic effects of various elements contribute to the enhanced visible light photocatalytic activity of BiWMoO solid solution nanotubes.
在本工作中，通过结构导向硬模板法合成了BiWMoO固溶体纳米管，其在CO光还原为CO/CH方面表现出显著增强的性能。采用X射线衍射（XRD）、扫描电子显微镜（SEM）和透射电子显微镜（TEM）对所制备复合材料的晶相、成分和形貌进行了研究。BiWMoO固溶体纳米管的当前设计导致光催化活性显著增强，在室温可见光照射下，CO/CH的峰值产率为6.55/3.75 mmol g⁻¹ h⁻¹分别约为纯BiWO和BiMoO纳米管的7倍。中空纳米管结构以及各种元素的协同电子效应有助于提高BiWMoO固溶体纳米管的可见光光催化活性。
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