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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202103002
|2 doi
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|a pubmed25n1107.xml
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|a (DE-627)NLM332170799
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|a (NLM)34676923
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Yu, Liyang
|e verfasserin
|4 aut
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|a Conjugated Polymer Mesocrystals with Structural and Optoelectronic Coherence and Anisotropy in Three Dimensions
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|c 2022
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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 Revised 07.01.2022
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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 Semiconducting mesocrystalline bulk polymer specimens that exhibit near-intrinsic properties using channel-die pressing are demonstrated. A predominant edge-on orientation is obtained for poly(3-hexylthiophene-2,5-diyl) (P3HT) throughout 2 mm-thick/wide samples. This persistent mesocrystalline arrangement at macroscopic scales allows reliable evaluation of the electronic charge-transport anisotropy along all three crystallographic axes, with high mobilities found along the π-stacking. Indeed, charge-carrier mobilities of up to 2.3 cm2 V-1 s-1 are measured along the π-stack, which are some of the highest mobilities reported for polymers at low charge-carrier densities (drop-cast films display mobilities of maximum ≈10-3 cm2 V-1 s-1 ). The structural coherence also leads to an unusually well-defined photoluminescence line-shape characteristic of an H-aggregate (measured from the surface perpendicular to the materials flow), rather than the typical HJ-aggregate feature usually found for P3HT. The approach is widely applicable: to electrical conductors and materials used in n-type devices, such as poly{[N,N'-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5,5'-(2,2'-bithiophene)} (N2200) where the mesocrystalline structure leads to high electron transport along the polymer backbones (≈1.3 cm2 V-1 s-1 ). This versatility and the broad applicability of channel-die pressing signifies its promise as a straightforward, readily scalable method to fabricate bulk semiconducting polymer structures at macroscopic scales with properties typically accessible only by the tedious growth of single crystals
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|a Journal Article
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|a bulk charge transport
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|a conjugated polymers
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|a mesocrystalline materials
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| 650 |
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|a structural 3D coherence
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1 |
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|a Pavlica, Egon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Ruipeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhong, Yufei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Silva, Carlos
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bratina, Gvido
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Müller, Christian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Amassian, Aram
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Stingelin, Natalie
|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 34(2022), 1 vom: 05. Jan., Seite e2103002
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:1
|g day:05
|g month:01
|g pages:e2103002
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|u http://dx.doi.org/10.1002/adma.202103002
|3 Volltext
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