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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201703322
|2 doi
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|a pubmed24n0927.xml
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|a (DE-627)NLM278376282
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|a (NLM)29171706
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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 |
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|a Xu, Kun
|e verfasserin
|4 aut
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|a Controllable Surface Reorganization Engineering on Cobalt Phosphide Nanowire Arrays for Efficient Alkaline Hydrogen Evolution Reaction
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|c 2018
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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 01.08.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Developing highly efficient hydrogen evolution reaction (HER) catalysts in alkaline media is considered significant and valuable for water splitting. Herein, it is demonstrated that surface reorganization engineering by oxygen plasma engraving on electocatalysts successfully realizes a dramatically enhanced alkaline HER activity. Taking CoP nanowire arrays grown on carbon cloth (denoted as CoP NWs/CC) as an example, the oxygen plasma engraving can trigger moderate CoOx species formation on the surface of the CoP NWs/CC, which is visually verified by the X-ray absorption fine structure, high-resolution transmission electron microscopy, and energy-dispersive spectrometer (EDS) mapping. Benefiting from the moderate CoOx species formed on the surface, which can promote the water dissociation in alkaline HER, the surface reorganization of the CoP NWs/CC realizes almost fourfold enhanced alkaline HER activity and a 180 mV decreased overpotential at 100 mA cm-2 , compared with the pristine ones. More interestingly, this surface reorganization strategy by oxygen plasma engraving can also be effective to other electrocatalysts such as free-standing CoP, Co4 N, O-CoSe2 , and C-CoSe2 nanowires, which verifies the universality of the strategy. This work thus opens up new avenues for designing alkaline HER electrocatalysts based on oxygen plasma engraving
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|a Journal Article
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|a alkaline hydrogen evolution reaction
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|a general strategy
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|a oxygen plasma engraving
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|a surface reorganization
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|a Cheng, Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lv, Haifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jingyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Linqi
|e verfasserin
|4 aut
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1 |
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|a Liu, Si
|e verfasserin
|4 aut
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1 |
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|a Wu, Xiaojun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chu, Wangsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Changzheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xie, Yi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 1 vom: 09. Jan.
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:30
|g year:2018
|g number:1
|g day:09
|g month:01
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|u http://dx.doi.org/10.1002/adma.201703322
|3 Volltext
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