Issue 40, 2013
From the journal:

Physical Chemistry Chemical Physics

Chemical tuning of electrochemical properties of Pt-skin surfaces for highly active oxygen reduction reactions†

Namgee Jung,a   Young-Hoon Chung,b   Dong Young Chung,b   Kwang-Hyun Choi,b   Hee-Young Park,a   Jaeyune Ryu,a   Sang-Young Lee,ac   Mansu Kim,a   Yung-Eun Sung*b  and  Sung Jong Yoo*a  

* Corresponding authors

a Fuel Cell Research Center, Korea Institute of Science and Technology (KIST), Seoul 136-791, Korea
E-mail: ysj@kist.re.kr
Fax: +82-2-958-5199
Tel: +82-2-958-5260

b Center for Nanoparticle Research, Institute for Basic Science (IBS), and School of Chemical Biological Engineering, Seoul National University, Seoul 151-742, Korea
E-mail: ysung@snu.ac.kr

c Department of Fusion Chemical Engineering, Hanyang University, Ansan 426-791, Korea

Abstract

Pt-skin surfaces were successfully fabricated by the chemical deposition of additional Pt on corrugated Pt–Ni nanoparticles with Pt-skeleton surfaces. Compared to the Pt-skin formed by heat annealing, the chemically-tuned Pt-skin had a higher Pt coordination number and surface crystallinity, which resulted in superior ORR activity and durability.

Graphical abstract: Chemical tuning of electrochemical properties of Pt-skin surfaces for highly active oxygen reduction reactions

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Article information

DOI
https://doi.org/10.1039/C3CP52807C
Article type
Paper
Submitted
04 Jul 2013
Accepted
29 Jul 2013
First published
05 Aug 2013

Phys. Chem. Chem. Phys., 2013,15, 17079-17083

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Chemical tuning of electrochemical properties of Pt-skin surfaces for highly active oxygen reduction reactions

N. Jung, Y. Chung, D. Y. Chung, K. Choi, H. Park, J. Ryu, S. Lee, M. Kim, Y. Sung and S. J. Yoo, Phys. Chem. Chem. Phys., 2013, 15, 17079 DOI: 10.1039/C3CP52807C

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