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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207995
|2 doi
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|a pubmed24n1164.xml
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|a (DE-627)NLM349304262
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|a (NLM)36417324
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Guan, Jingyu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Synthesis of L10 -Iron Triad (Fe, Co, Ni)/Pt Intermetallic Electrocatalysts via a Phosphide-Induced Structural Phase Transition
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 10.02.2023
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|a Date Revised 10.02.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Structurally ordered L10 -iron triad (Fe, Co, Ni)/Pt with a M(iron triad)/Pt ratio ≈1:1 has drawn increasing attention in oxygen reduction reaction (ORR) electrocatalysis and fuel cell technologies by virtue of the high performance derived from their strong surface strain. However, the synthesis of intermetallic L10 -M(iron triad)Pt generally requires the accurate content control of the multicomponent and the sufficient thermal energy to overcome the kinetic barrier for atom diffusion. This work reports a synthesis of sub ≈5 nm L10 -intermetallic nanoparticles using phosphide intermediate-induced structural phase transition. Taking the L10 -CoPt intermetallic, for example, the formation of the L10 structure depends on the Co2 P intermediates can provide abundant P vacancies to accelerate the Pt diffusion into the orthorhombic Co-rich skeletons, instead of the traditional route of intermetallic from solid solution. L10 -CoPt prepared by this method has a high degree of ordering and shows the broad adaptability of various Pt-based electrocatalysts with different loading and states to improve their electrocatalytic performance. Additionally, the other L10 -M(iron triad)Pt intermetallics, i.e., L10 -NiPt and L10 -FePt, are also prepared through this phosphide-induced phase transition. The findings provide a promising strategy for designing other intermetallic materials alloy materials using a structural phase transition induced by a second phase
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|a Journal Article
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|a L10-iron triad (Fe, Co, Ni)/Pt intermetallics
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|a electrocatalysis
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|a kirkendall effect
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4 |
|a phosphides
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| 650 |
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4 |
|a structural transition
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| 700 |
1 |
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|a Zhang, Jianqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Xinliang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zhengping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Feng
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 6 vom: 08. Feb., Seite e2207995
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
8 |
|g volume:35
|g year:2023
|g number:6
|g day:08
|g month:02
|g pages:e2207995
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202207995
|3 Volltext
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|d 35
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