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231224s2017 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1002/adma.201700589
|2 doi
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|a pubmed24n0906.xml
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|a (NLM)28498620
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Peng, Li
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Ultrahigh Thermal Conductive yet Superflexible Graphene Films
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1 |
|c 2017
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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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|2 rdacarrier
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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 Electrical devices generate heat at work. The heat should be transferred away immediately by a thermal manager to keep proper functions, especially for high-frequency apparatuses. Besides high thermal conductivity (K), the thermal manager material requires good foldability for the next generation flexible electronics. Unfortunately, metals have satisfactory ductility but inferior K (≤429 W m-1 K-1 ), and highly thermal-conductive nonmetallic materials are generally brittle. Therefore, fabricating a foldable macroscopic material with a prominent K is still under challenge. This study solves the problem by folding atomic thin graphene into microfolds. The debris-free giant graphene sheets endow graphene film (GF) with a high K of 1940 ± 113 W m-1 K-1 . Simultaneously, the microfolds render GF superflexible with a high fracture elongation up to 16%, enabling it more than 6000 cycles of ultimate folding. The large-area multifunctional GFs can be easily integrated into high-power flexible devices for highly efficient thermal management
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|a Journal Article
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4 |
|a debris-free graphene oxide
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4 |
|a defect-free graphene sheets
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4 |
|a flexible graphene films
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| 650 |
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4 |
|a microfold
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| 650 |
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4 |
|a thermal conductivity
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| 700 |
1 |
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|a Xu, Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Zheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Chao
|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 29(2017), 27 vom: 26. Juli
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:29
|g year:2017
|g number:27
|g day:26
|g month:07
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|u http://dx.doi.org/10.1002/adma.201700589
|3 Volltext
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