文献类型：期刊文献

英文题名：One-pot synthesis of hierarchical Cu2O/Cu hollow microspheres with enhanced visible-light photocatalytic activity

作者：Hong, Tianjie[1];Tao, Feifei[1];Lin, Jiudong[1];Ding, Wei[1];Lan, Mingxuan[1]

机构：[1]Shaoxing Univ, Dept Chem & Chem Engn, Shaoxing 312000, Peoples R China

年份：2015

卷号：228

起止页码：174

外文期刊名：JOURNAL OF SOLID STATE CHEMISTRY

收录：SCI-EXPANDED(收录号：WOS:000356566100025)、、WOS

基金：The authors gratefully acknowledge the financial support by the National Natural Science Foundation of China (NSFC, Grant nos. 20901051 and 51372154), the Natural Science Foundation of Zhejiang Province (Grant nos. LY12B01007 and Y13H160104) and the Zhejiang Provincial Science Technology Program of China (Grant nos. 2013C3010 and 2014R426032).

语种：英文

外文关键词：Hollow microspheres; Hierarchical structures; Photocatalysis

外文摘要：The hierarchical Cu2O/Cu hollow microspheres have been fabricated by the one-pot solvothermal redox method, which is one-step approach without any surfactant and template. By using the HRTEM, XRD, XPS and UV-vis spectroscopy, the as-prepared product is composed of Cu2O and Cu with energy band gap of 1.72 eV. Based on the time-dependent experiments, the content of Cu2O and Cu compositions can be effectively controlled by adjusting the reaction time and a possible mechanism is proposed. In addition, using various dye molecules to stimulate pollutants, the hierarchical Cu2O/Cu hollow microspheres reacted for 8 h exhibit excellent visible-light photocatalytic activities, which is much higher than those of the Cu2O/Cu catalysts formed at the shorter reaction time, commercial Cu2O powder and the mixture of alone Cu2O and Cu. This enhanced photocatalytic performance makes these hierarchical Cu2O/Cu hollow microspheres a kind of efficient visible-light photocatalyst in removing some organic compounds in wastewater. (C) 2015 Elsevier Inc. All rights reserved.