DSpace at KISTKIST Article2013

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

Authors
Jung, Namgee; Chung, Young-Hoon; Chung, Dong Young; Choi, Kwang-Hyun; Park, Hee-Young; Ryu, Jaeyune; Lee, Sang-Young; Kim, Mansu; Sung, Yung-Eun; Yoo, Sung Jong
Issue Date
2013-10
Publisher
ROYAL SOC CHEMISTRY
Citation
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, v.15, no.40, pp.17079 - 17083
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.
Keywords
ATOMIC LAYER DEPOSITION; FUEL-CELLS; ELECTROCATALYTIC PROPERTIES; BIMETALLIC NANOPARTICLES; PTXNI1-X NANOPARTICLES; ENHANCED STABILITY; ALLOY CATALYSTS; H-2/CO MIXTURES; CO; CARBON; ATOMIC LAYER DEPOSITION; FUEL-CELLS; ELECTROCATALYTIC PROPERTIES; BIMETALLIC NANOPARTICLES; PTXNI1-X NANOPARTICLES; ENHANCED STABILITY; ALLOY CATALYSTS; H-2/CO MIXTURES; CO; CARBON; 연료전지; PtNi; Core-shell; ORR
ISSN
1463-9076
URI
https://pubs.kist.re.kr/handle/201004/127576
DOI
10.1039/c3cp52807c
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KIST Article > 2013
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