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Issue 4, 2016
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Solid-solution alloying of immiscible metals at the nanoscale: Ir and Au

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Abstract

A solid solution alloy of Ir–Au has been theoretically predicted to be an excellent catalyst for dissociating hydrogen, equivalent to Pt. However, Ir and Au atoms are known to be thermodynamically immiscible. In this work, we show that the thermodynamics of the Ir and Au binary system can be changed by nanoscale effects and that electrochemically synthesized Ir–Au alloys have a solid-solution structure with a wide range of compositions. This work is expected to open up the potential synthesis of new catalytic materials.

Graphical abstract: Solid-solution alloying of immiscible metals at the nanoscale: Ir and Au

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Supplementary files

Article information


Submitted
11 Dec 2015
Accepted
21 Dec 2015
First published
23 Dec 2015

RSC Adv., 2016,6, 3210-3212
Article type
Communication

Solid-solution alloying of immiscible metals at the nanoscale: Ir and Au

S. H. Park, H. M. Park, S. S. Han, S. Y. Han and J. Y. Song, RSC Adv., 2016, 6, 3210
DOI: 10.1039/C5RA26472C

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