Rhodium-Tin Binary Nanoparticle - A Strategy to Develop an Alternative Electrocatalyst for Oxygen Reduction

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Title
Rhodium-Tin Binary Nanoparticle - A Strategy to Develop an Alternative Electrocatalyst for Oxygen Reduction
Author(s)
Minjeh Ahn; In Young Cha; Jinwon Cho; Hyung Chul Ham; Yung-Eun Sung; Sung Jong Yoo
Publication Date
2017-09
Journal
ACS CATALYSIS, v.7, no.9, pp.5796 - 5801
Publisher
AMER CHEMICAL SOC
Abstract
A Rh-Sn nanoparticle is achieved by combinatorial approaches for application as an active and stable electrocatalyst in the oxygen reduction reaction. Both metallic Rh and metallic Sn exhibit activities too low to be utilized for electrocatalytic reduction of oxygen. However, a clean and active Rh surface can be activated by incorporation of Sn into a Rh nanoparticle through the combined effects of lateral repulsion, bifunctional mechanism, and electronic modification. The corrosion-resistant property of Rh contributes to the construction of a stable catalyst that can be used under harsh fuel cell conditions. Based on both theoretical and experimental research, Rh-Sn nanoparticle designs with inexpensive materials can be a potential alternative catalyst in terms of the economic feasibility of commercialization and its facile and simple surfactant-free microwave-assisted synthesis. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4234
ISSN
2155-5435
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > Journal Papers (저널논문)
Files in This Item:
17. Ahn_et_al-2017-ACS_Catalysis.pdfDownload

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