Operando Characterization of Electrochemistry at the Rutile TiO2(110)/0.1 M HCl Interface Using Ambient Pressure XPS

被引：1
作者：
Yu, Jiangdong [1 ,2 ]
Byrne, Conor [3 ,4 ]
Imran, Jameel [1 ,2 ]
Henderson, Zoe [3 ,4 ]
Holt, Katherine B. [5 ]
Large, Alexander I. [6 ]
Held, Georg [6 ]
Walton, Alex [3 ,4 ]
Thornton, Geoff [1 ,2 ]
机构：
[1] UCL, London Ctr Nanotechnol, 20 Gordon St, London WC1H 0AJ, England
[2] UCL, Chem Dept, 20 Gordon St, London WC1H 0AJ, England
[3] Univ Manchester, Dept Chem, Manchester M13 9PL, England
[4] Univ Manchester, Photon Sci Inst, Manchester M13 9PL, England
[5] UCL, Chem Dept, 20 Gordon St, London WC1H 0AJ, England
[6] Diamond Light Source, Harwell Campus, Didcot OX11 0DE, England
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2024年 / 128卷 / 49期
基金：
欧洲研究理事会; 英国工程与自然科学研究理事会;
关键词：
RAY PHOTOELECTRON-SPECTROSCOPY; TIO2; SURFACE; WATER;
D O I：
10.1021/acs.jpcc.4c07173
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Ambient pressure X-ray photoelectron spectroscopy (AP-XPS) was employed to investigate the effect of applied potential on the interface of TiO2(110) with 0.1 M HCl. The study, which involved operando electrochemical characterization, enabled real-time monitoring and analysis of electrochemical processes. There is a significant influence on the interface composition; in particular, the surface Cl- surface coverage varies with electrochemical potential. Moreover, there appears to be a reaction of evolved Cl with adventitious carbon to form C-Cl and C-Cl2 species.
引用
收藏
页码：20933 / 20939
页数：7
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