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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005915
|2 doi
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|a pubmed24n1063.xml
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|a (DE-627)NLM319014487
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|a (NLM)33336501
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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 Deng, Wei
|e verfasserin
|4 aut
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|a Water-Surface Drag Coating
|b A New Route Toward High-Quality Conjugated Small-Molecule Thin Films with Enhanced Charge Transport Properties
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|c 2021
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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 Revised 02.02.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Electronic properties of organic semiconductor (OSC) thin films are largely determined by their morphologies and crystallinities. However, solution-processed conjugated small-molecule OSC thin films usually exhibit abundant grain boundaries and impure grain orientations because of complex fluid dynamics during solution coating. Here, a novel methodology, water-surface drag coating, is demonstrated to fabricate high-quality OSC thin films with greatly enhanced charge transport properties. This method utilizes the water surface to alter the evaporation dynamics of solution to enlarge the grain size, and a unique drag-coating process to achieve the unidirectional growth of organic crystals. Using 2,8-difluoro-5,11-bis(triethylsilylethynyl)anthradithiophene (Dif-TES-ADT) as an example, thin films with millimeter-sized single-crystal domains and pure crystallographic orientations are achieved, revealing a significant enhancement (4.7 times) of carrier mobility. More importantly, the resulting film can be directly transferred onto any desired flexible substrates, and flexible transistors based on the Dif-TES-ADT thin films show a mobility as high as 16.1 cm2 V-1 s-1 , which represents the highest mobility value for the flexible transistors reported thus far. The method is general for the growth of various high-quality OSC thin films, thus opening up opportunities for high-performance organic flexible electronics
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|a Journal Article
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|a charge transport
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|a conjugated small-molecule thin films
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|a flexible electronics
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|a organic field-effect transistors
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| 650 |
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|a water-surface drag coating
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| 700 |
1 |
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|a Xiao, Yanling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Bei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Liang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Yujian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Chenhui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiujuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Jinghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xiaohong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jie, Jiansheng
|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 33(2021), 5 vom: 20. Feb., Seite e2005915
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:33
|g year:2021
|g number:5
|g day:20
|g month:02
|g pages:e2005915
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|u http://dx.doi.org/10.1002/adma.202005915
|3 Volltext
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