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Spontaneously Deposited Rh on Au(111) Observed by AFM and XPS: Electrocatalysis of Hydrogen Evolution

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2016
Authors
Štrbac, Svetlana
Smiljanić, Milutin
Rakočević, Zlatko Lj.
Article (Published version)
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Abstract
Rhodium nanoislands were spontaneously deposited on Au(111) up to a full coverage. Obtained Rh/Au(111) bimetallic surface was characterized ex situ by Atomic Force Microscopy imaging and by X-Ray Photoelectron Microscopy, while in situ characterization was performed by Cyclic Voltammetry in 0.1 M NaOH solution. Pronounced catalysis of hydrogen evolution reaction has been observed on Rh modified Au(111) surface compared to bare Au(111). This is ascribed to the suitable geometry of obtained Rh/Au(111) nanostructured electrode surface providing large number of active sites and to the electronic interaction between Au(111) substrate and Rh deposit.
Source:
Journal of the Electrochemical Society, 2016, 163, 12
Publisher:
  • Electrochemical Soc Inc, Pennington
Projects:
  • Functional, Functionalized and Advanced Nanomaterials (RS-45005)

DOI: 10.1149/2.0041612jes

ISSN: 0013-4651

WoS: 000389151300006

Scopus: 2-s2.0-84994572073
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1950
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