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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201802764
|2 doi
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|a pubmed24n0963.xml
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|a (DE-627)NLM289132266
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|a (NLM)30277608
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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 Liang, Shun-Xing
|e verfasserin
|4 aut
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| 245 |
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|a Compelling Rejuvenated Catalytic Performance in Metallic Glasses
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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
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|a Date Completed 08.11.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Metallic glasses (MGs) with the metastable nature and random atomic packing structure have attracted large attention in the catalytic family due to their superior catalytic performance. In contrast, their crystalline counterparts are restricted by the highly ordered packing structure, fewer surface active sites, and crystallographic defects for catalytic activity. The uncertainty of the different catalytic mechanisms and the intrinsic characteristics correlated to MGs and their crystalline counterparts become a major impediment to promote their catalytic efficiencies and widespread applications. Herein, it is reported that the excellent catalytic behavior in Fe-based MGs goes through a detrimental effect with the partial crystallization, but receives a compelling rejuvenation in the full crystallization. Further investigation reveals that multiphase intermetallics with electric potential differences in fully crystallized alloys facilitate the formation of galvanic cells. More importantly, extensively reduced grain boundaries due to grain growth greatly weaken electron trapping and promote inner electron transportation. The relatively homogenous grain-boundary corrosion in the intermetallics contributes to well-separated phases after reaction, leading to refreshment of the surface active sites, thereby quickly activating hydrogen peroxide and rapidly degrading organic pollutants. The exploration of catalytic mechanisms in the crystalline counterparts of MGs provides significant insights into revolutionize novel catalysts
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|a Journal Article
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|a catalytic rejuvenation
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4 |
|a crystallization
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4 |
|a electron transfer
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| 650 |
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4 |
|a grain boundaries
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4 |
|a metallic glass
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1 |
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|a Jia, Zhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yu-Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Wenchang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Weimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lai-Chang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 45 vom: 17. Nov., Seite e1802764
|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:45
|g day:17
|g month:11
|g pages:e1802764
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| 856 |
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|u http://dx.doi.org/10.1002/adma.201802764
|3 Volltext
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