高等学校化学学报2018，Vol.39Issue(2)：319-326,8.DOI:10.7503/cjcu20170346
新型Zn2+掺杂C/Nb2O5纳米催化剂的 制备及光催化性能
Preparation and Photocatalytic Performance of Novel Zn-doped C / Nb2O5 Nanoparticles Catalyst
摘要
Abstract
Novel Zn-doped C / Nb2 O5 nanoparticles were prepared via a simple hydrothermal method. The nanoparticles were characterized by X-ray diffraction( XRD), transmission electron microscopy( TEM) and X-ray photoelectron spectroscopy(XPS). The as-prepared nanoparticles presented enhanced crystallinity with ultrafine morphology and Zn element was confirmed to exit as the form of ZnO randomly on the surface of C / Nb2 O5 . The amount of surface oxygen vacancies(SOVs) on the catalyst surface reached an optimal value when the molar ratio of Zn / Nb was 10％ proved by the XPS and surface photovoltage spectroscopy( SPS) results. The catalyst with an optimal doping amount of Zn exhibited much higher photocatalytic activity than P25 and commercial Nb2 O5 towards degradation of Rhodamine B(RhB) and Rhodamine 6G(Rh6G) under visible light irradiation.关键词
C/Nb2O5/氧化锌/表面氧空穴/光催化活性/罗丹明B/罗丹明6GKey words
C / Nb2 O5/ZnO/Surface oxygen vacancies ( SOVs)/Photocatalytic activity/Rhodamine B (RhB)/Rhodamine 6G(Rh6G)分类
化学化工引用本文复制引用
薛佼,王润伟,张宗弢,裘式纶..新型Zn2+掺杂C/Nb2O5纳米催化剂的 制备及光催化性能[J].高等学校化学学报,2018,39(2):319-326,8.基金项目
国家自然科学基金(批准号:21261130584, 20741001)资助.Supported by the National Natural Science Foundation of China(Nos.21261130584, 20741001). （批准号:21261130584, 20741001）
