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

Title
Solid-solution alloying of immiscible metals at the nanoscale: Ir and Au
Authors
박선화박현민한상수한상윤송재용
Keywords
Solid solution alloying; immiscible metal; nano; Ir; Au
Issue Date
2016-01
Publisher
RSC advances
Citation
VOL 6, 3210-3212
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.
URI
http://pubs.kist.re.kr/handle/201004/58402
ISSN
20462069
Appears in Collections:
KIST Publication > Article
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