文献类型：期刊文献

英文题名：Through hydrogen spillover to fabricate novel 3DOM-HxWO(3)/Pt/CdS Z-scheme heterojunctions for enhanced photocatalytic hydrogen evolution

作者：Yan, Xiaoqing[1];Xu, Baorong[1];Yang, Xiaona[1];Wei, Jinjia[1];Yang, Bolun[1];Zhao, Lei[2];Yang, Guidong[1]

第一作者：Yan, Xiaoqing

通讯作者：Yang, GD[1]

机构：[1]Xi An Jiao Tong Univ, Sch Chem Engn & Technol, XJTU Oxford Int Joint Lab Catalysis, Xian 710049, Shaanxi, Peoples R China;[2]Xinxiang Univ, Sch Civil Engn & Architecture, Xinxiang 453003, Henan, Peoples R China

第一机构：Xi An Jiao Tong Univ, Sch Chem Engn & Technol, XJTU Oxford Int Joint Lab Catalysis, Xian 710049, Shaanxi, Peoples R China

通讯机构：[1]corresponding author), Xi An Jiao Tong Univ, Sch Chem Engn & Technol, XJTU Oxford Int Joint Lab Catalysis, Xian 710049, Shaanxi, Peoples R China.

年份：2019

卷号：256

外文期刊名：APPLIED CATALYSIS B-ENVIRONMENTAL

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000483451200044)】；

基金：This work was financially supported by the National Natural Science Foundation of China (Grant No. U1862105), Natural Science Basic Research Plan in Shaanxi Province of China (Grant No. 2017JZ001, 2018KJXX-008, 2019TD-039), the Fundamental Research Funds for the Central Universities (Grant No. xjj2018198), Science and Technology Project of Henan Province (Grant No. 182106000029) and K.C. Wong Education Foundation, Hong Kong, China. Thanks for the technical support from International Center for Dielectric Research (ICDR), Xi'an Jiaotong University, Xi'an, China; the authors also appreciate Ms. Dai and Mr. Ma for their help in using SEM, EDX and TEM, respectively.

语种：英文

外文关键词：Hydrogen spillover; Three-dimensionally ordered macroporous; HxWO3; Z-scheme heterojunction; Photocatalytic H-2 evolution

摘要：The use of hydrogen spillover is considered to be a promising strategy to prepare H containing photocatalyst for enhanced hydrogen evolution performance. In this work, we for the first time employ the hydrogen spillover assisted by in-situ hydrothermal method to successfully synthesize the novel 3DOM-HxWO3/Pt/CdS Z-scheme heterojunction. In this special photocatalytic system, three-dimensionally ordered macroporous (3DOM) structure provide a number of active sites for the mass transfer, and the Z-scheme architecture initiatively induce the electrons migration to achieve a high efficient charge separation. As a result, the as-prepared samples show a prominent apparent quantum efficiency (AQE) of 58.80% (420 nm) and excellent hydrogen production rate of 39.2 mmol g(-1)h(-1), which is 13.5 times as high as that of the pure CdS (AQE of 23.15%). This work provides a new insight into the design and synthesis of porous Z-scheme heterojunction system with excellent solar light adsorption and highly-efficient charge spatial separation.