Rationally designed/constructed MnO_x/WO_3 anode for photoelectrochemical water oxidation

作     者：Xiaohu Cao Xiangyu Zang Xichen Zhou Mindong Chen Yong Ding 

作者机构：State Key Laboratory of Applied Organic Chemistry Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province College of Chemistry and Chemical Engineering Lanzhou University Collaborative Innovation Center of Atmospheric Environment and Equipment Technology Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC) Nanjing University of Information Science & Technology 

基　　金：financially supported by the National Natural Science Foundation of China (Nos. 21173105, 21773096) Fundamental Research Funds for the Central Universities (No. lzujbky2016-k08) Open fund by Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (No. KHK1701) the Natural Science Foundation of Gansu (No. 17JR5RA186) 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2018年第29卷第6期

页      码：811-814页

摘      要：Photoelectrocatalytic water splitting is an effective way to utilize the solar energy to solve the energy shortage. The valence band edge of WO3 located at 3V vs. normal hydrogen electrode（NHE）, which can offer enough potential to kinetically oxidize water for oxygen evolution reaction. However, water oxidation reaction kinetics is sluggish when only WO3 is used as the photoanode. It is highly desirable to use cocatalyst to promote the kinetics. Mn Oxloaded on the WO3 photoanode through photodeposition methods improves the photoelectrochemical water oxidation performance. A maximum photocurrent density of composite photoanode is achieved with a deposition time of 3 min, which is higher than that of pristine WO3 photoanode around 40%. Mn O2 is not only a cocatalyst for water splitting but also for improving oxidation selectivity. We tried to use two means to load Mn Oxon WO3 photoanode material. It is observed that loading a moderate amount of Mn Oxon the WO3 by photodeposition can promote the performance of the WO3 photoanode.

主 题 词：Photoelectrochemical water oxidation Tungsten oxide Manganese oxide Photodeposition Hydrothermal method 

学科分类：081704[081704] 07[理学] 070304[070304] 08[工学] 0817[工学-轻工类] 0703[理学-化学类] 

核心收录：

D　O　I：10.1016/j.cclet.2017.12.010

馆 藏 号：203290355...