2017 Fiscal Year Final Research Report
Fabrication of different-metal-frame-terminated metal nano-particles
| Project/Area Number |
16K14397
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Composite materials/Surface and interface engineering
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Research Collaborator |
TAKAHASHI SHUNTARO 東北大学, 大学院環境科学研究科, 大学院生
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| Project Period (FY) |
2016-04-01 – 2018-03-31
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| Keywords | 合金ナノ粒子 / 燃料電池 / 酸素還元反応 / 電極触媒 / 構造安定化 / ナノフレーム終端 |
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| Outline of Final Research Achievements |
Pt-Au alloy and Pt-shell Au-core core-shell nanoparticles (NPs) show superior durability as the oxygen reduction reaction (ORR) catalysts for polymer electrolyte fuel cell (PEFC). However, the relation between surface atomic ratio and structural stability of the Pt-Au NPs under applying electrochemical potential cycling (PC) has yet to be further elucidated. In this study, Pt-Au NPs are synthesized by using arc-plasma deposition (APD) method onto highly-oriented pyrolytic graphite (HOPG) substrate in ultra-high vacuum. Then, ORR activities and electrochemical structural stabilities of the APD Pt-Au NPs are discussed.
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| Free Research Field |
材料界面物性
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