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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202006794
|2 doi
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|a pubmed25n1068.xml
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|a (NLM)33501736
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Yao, Ze-Fan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Approaching Crystal Structure and High Electron Mobility in Conjugated Polymer Crystals
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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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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 10.03.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Conjugated polymers usually form crystallized and amorphous regions in the solid state simultaneously, making it difficult to accurately determine their precise microstructures. The lack of multiscale microstructures of conjugated polymers limits the fundamental understanding of the structure-property relationships in polymer-based optoelectronic devices. Here, crystals of two typical conjugated polymers based on four-fluorinated benzodifurandione-based oligo(p-phenylene vinylene) (F4 BDOPV) and naphthalenediimide (NDI) motifs, respectively, are obtained by a controlled self-assembly process. The strong diffractivity of the polymer crystals brings an opportunity to determine the crystal structures by combining X-ray techniques and molecular simulations. The precise polymer packing structures are useful as initial models to evaluate the charge transport properties in the ordered and disordered phases. Compared to the spin-coated thin films, the highly oriented polymer chains in crystals endow higher mobilities with a lower hopping energy barrier. Microwire crystal transistors of F4 BDOPV- and NDI-based polymers exhibit high electron mobilities of up to 5.58 and 2.56 cm2 V-1 s-1 , respectively, which are among the highest values in polymer crystals. This work presents a simple method to obtain polymer crystals and their precise microstructures, promoting a deep understanding of molecular packing and charge transport for conjugated polymers
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|a Journal Article
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|a conjugated polymers
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| 650 |
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4 |
|a organic electronics
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| 650 |
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4 |
|a polymer crystals
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| 650 |
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4 |
|a structure elucidation
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| 700 |
1 |
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|a Zheng, Yu-Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dou, Jin-Hu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Yi-Fan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jie-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pei, Jian
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 10 vom: 26. März, Seite e2006794
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
8 |
|g volume:33
|g year:2021
|g number:10
|g day:26
|g month:03
|g pages:e2006794
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202006794
|3 Volltext
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