The oxygen reduction reaction (ORR) on carbon-supported Pt-Co alloy nanoparticles has been investigated. As-prepared Pt-Co alloy nanoparticles exhibit a single-phase disordered structure and have a very small particle size. Such alloy catalysts exhibit an enhancement of a factor of ca. 1.3-3.2 in Pt mass activity and of a factor of ca. 1.2-2.2 in the specific activity for the ORR when compared to Pt/C catalyst. The enhanced electrocatalytic activity is attributed to the favorable Pt-Pt mean interatomic distance caused by alloying and to the high dispersion of the alloy catalysts. (c) 2006 Elsevier B.V. All rights reserved.
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Waseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, JapanWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Tan, Haibo
Kim, Jeonghun
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Qingdao Univ Sci & Technol, Key Lab Ecochem Engn, Coll Chem & Mol Engn, Qingdao 266042, Peoples R China
Univ Queensland, AIBN, Brisbane, Qld 4072, AustraliaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Kim, Jeonghun
Lin, Jianjian
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Waseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, JapanWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Lin, Jianjian
Li, Cuiling
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Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton WPI MANA, 1-1 Namiki, Tsukuba, Ibaraki 3050044, JapanWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Li, Cuiling
Alsheri, Saad M.
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King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi ArabiaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Alsheri, Saad M.
Ahamad, Tansir
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King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi ArabiaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Ahamad, Tansir
Alhokbany, Norah
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King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi ArabiaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Alhokbany, Norah
Bando, Yoshio
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Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton WPI MANA, 1-1 Namiki, Tsukuba, Ibaraki 3050044, JapanWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Bando, Yoshio
Zaman, Mukter
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Multimedia Univ, Fac Engn, Cyberjaya 63100, Selangor, MalaysiaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
Zaman, Mukter
Hossain, Md Shahriar A.
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Univ Queensland, AIBN, Brisbane, Qld 4072, Australia
Univ Queensland, Sch Mech & Min Engn, Fac Engn Architecture & Informat Technol EAIT, Brisbane, Qld 4072, AustraliaWaseda Univ, Fac Sci & Engn, 3-4-1 Okubo, Tokyo 1698555, Japan
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Wang, Wenming
Huang, Qinghong
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Huang, Qinghong
Liu, Juanyin
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Liu, Juanyin
Zou, Zhiqing
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Zou, Zhiqing
Li, Zhilin
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China
Li, Zhilin
Yang, Hui
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Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R ChinaChinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Energy Sci & Technol Lab, Shanghai 200050, Peoples R China