期刊
ELECTROCHIMICA ACTA
卷 88, 期 -, 页码 278-286出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2012.10.089
关键词
Galvanic displacement; Surface coverage; Co-deposition; Sacrificial metal
资金
- EPSRC
- TSB
- KESS programme at the College of Engineering, Swansea University
- Finnish Foundation for Technology Promotion
- Engineering and Physical Sciences Research Council [EP/L010372/1, EP/K000292/1, EP/I019278/1] Funding Source: researchfish
- EPSRC [EP/K000292/1, EP/I019278/1, EP/L010372/1] Funding Source: UKRI
A two-stage approach that combines electrodeposition with redox replacement has been used to deposit Pt/Pb nanoparticles on fluorine doped tin oxide (FTO) glass. The deposition takes place by cycling between the two steps in a single electrolyte bath containing both Pb2+ and Pt2+ ions. In the first step, Pb is electrodeposited on FTO glass at a potential E-1 and in the second step, Pt replaces the sacrificial Pb directly on the surface at open circuit conditions until the open circuit potential reaches a value E-2. This method allows a quick deposition of Pt/Pb nanoparticles on Fro glass and the effects of E-1 and E-2 on the Pt/Pb formation and nanoparticle coverage of the surface were studied with SEM and XPS. (C) 2012 Elsevier Ltd. All rights reserved.
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