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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201701777
|2 doi
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|a pubmed25n0910.xml
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|a eng
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|a Lang, Jialiang
|e verfasserin
|4 aut
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|a Scalable Synthesis of 2D Si Nanosheets
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|c 2017
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 18.07.2018
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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 © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a 2D Si nanomaterials have attracted tremendous attention due to their novel properties and a wide range of potential applications from electronic devices to energy storage and conversion. However, high-quality and large-scale fabrication of 2D Si remains challenging. This study reports a room-temperature and one-step synthesis technique that leads to large-scale and low-cost production of Si nanosheets (SiNSs) with thickness ≈4 nm and lateral size of several micrometers, based on the intrinsic delithiation process of chemically leaching lithium from the Li13 Si4 alloy. Together with experimental results, a combination of theoretical modeling and atomistic simulations indicates that the formation of single SiNS arises from spontaneous delamination of nanosheets from their substrate due to delithiation-induced mismatch. Subsequently, the synthesized Si nanosheets evolve from amorphous to nanocrystalline to crystalline structures during annealing at different temperatures. It is demonstrated that these SiNSs possess unique mechanical properties, in particular ultralow friction, in contrast to their bulk counterparts
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|a Journal Article
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|a Si nanosheets
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4 |
|a chemical leaching
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4 |
|a ultralow friction
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1 |
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|a Ding, Bin
|e verfasserin
|4 aut
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1 |
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|a Zhang, Shuai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Su, Hanxiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ge, Binghui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Longhao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Huajian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xiaoyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Qunyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Hui
|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 29(2017), 31 vom: 16. Aug.
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:29
|g year:2017
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|g month:08
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|u http://dx.doi.org/10.1002/adma.201701777
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