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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307402
|2 doi
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|a pubmed25n1215.xml
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|a DE-627
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|a eng
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|a Jo, Il-Young
|e verfasserin
|4 aut
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|a High-Performance Organic Electrochemical Transistors Achieved by Optimizing Structural and Energetic Ordering of Diketopyrrolopyrrole-Based Polymers
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|c 2024
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 25.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a For optimizing steady-state performance in organic electrochemical transistors (OECTs), both molecular design and structural alignment approaches must work in tandem to minimize energetic and microstructural disorders in polymeric mixed ionic-electronic conductor films. Herein, a series of poly(diketopyrrolopyrrole)s bearing various lengths of aliphatic-glycol hybrid side chains (PDPP-mEG; m = 2-5) is developed to achieve high-performance p-type OECTs. PDPP-4EG polymer with the optimized length of side chains exhibits excellent crystallinity owing to enhanced lamellar and backbone interactions. Furthermore, the improved structural ordering in PDPP-4EG films significantly decreases trap state density and energetic disorder. Consequently, PDPP-4EG-based OECT devices produce a mobility-volumetric capacitance product ([µC*]) of 702 F V-1 cm-1 s-1 and a hole mobility of 6.49 ± 0.60 cm2 V-1 s-1 . Finally, for achieving the optimal structural ordering along the OECT channel direction, a floating film transfer method is employed to reinforce the unidirectional orientation of polymer chains, leading to a substantially increased figure-of-merit [µC*] to over 800 F V-1 cm-1 s-1 . The research demonstrates the importance of side chain engineering of polymeric mixed ionic-electronic conductors in conjunction with their anisotropic microstructural optimization to maximize OECT characteristics
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|a Journal Article
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|a high crystallinity
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|a low energetic disorder
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|a mixed ionic-electronic conductors
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|a organic electrochemical transistors
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|a side chain engineering
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|a Jeong, Dahyun
|e verfasserin
|4 aut
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|a Moon, Yina
|e verfasserin
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|a Lee, Dongchan
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|a Lee, Seungjin
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|a Choi, Jun-Gyu
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|a Nam, Donghyeon
|e verfasserin
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|a Kim, Ji Hwan
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|a Cho, Jinhan
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|a Cho, Shinuk
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|a Kim, Dong-Yu
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|a Ahn, HyungJu
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|a Kim, Bumjoon J
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|a Yoon, Myung-Han
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 4 vom: 21. Jan., Seite e2307402
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:4
|g day:21
|g month:01
|g pages:e2307402
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|u http://dx.doi.org/10.1002/adma.202307402
|3 Volltext
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