Ternary dendritic nanowires as highly active and stable multifunctional electrocatalysts

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Title
Ternary dendritic nanowires as highly active and stable multifunctional electrocatalysts
Author(s)
Yoojin Yang; Haneul Jin; Ho Young Kim; Jisun Yoon; Jongsik Park; Hionsuck Baik; Sang Hoon Joo; Kwangyeol Lee
Publication Date
2016-09
Journal
NANOSCALE, v.8, no.33, pp.15167 - 15172
Publisher
ROYAL SOC CHEMISTRY
Abstract
Multimetallic nanocatalysts with a controlled structure can provide enhanced catalytic activity and durability by exploiting electronic, geometric, and strain effects. Herein, we report the synthesis of a novel ternary nanocatalyst based on Mo doped PtNi dendritic nanowires (Mo-PtNi DNW) and its bifunctional application in the methanol oxidation reaction (MOR) at the anode and the oxygen reduction reaction (ORR) at the cathode for direct methanol fuel cells. An unprecedented Mo-PtNi DNW structure can combine multiple structural attributes of the 1D nanowire morphology and dendritic surfaces. In the MOR, Mo-PtNi DNW exhibits superior activity to Pt/C and Mo doped Pt dendritic nanowires (Mo-Pt DNW), and excellent durability. Furthermore, Mo-PtNi DNW demonstrates excellent activity and durability for the ORR. This work highlights the important role of compositional and structural control in nanocatalysts for boosting catalytic performances. © The Royal Society of Chemistry 2016
URI
https://pr.ibs.re.kr/handle/8788114/2980
ISSN
2040-3364
Appears in Collections:
Center for Molecular Spectroscopy and Dynamics(분자 분광학 및 동력학 연구단) > Journal Papers (저널논문)
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