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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.3c02103
|2 doi
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|a pubmed24n1217.xml
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|a (NLM)38027548
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Sun, Zeyuan
|e verfasserin
|4 aut
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|a Carboxyl-Alkyl Functionalized Conjugated Polyelectrolytes for High Performance Organic Electrochemical Transistors
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|c 2023
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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 01.12.2023
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Published by American Chemical Society.
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|a Contemporary design principles for organic mixed ionic electronic conductors (OMIECs) are mostly based on the ethylene glycol moiety, which may not be representative of the OMIEC class as a whole. Furthermore, glycolated polymers can be difficult to synthesize and process effectively. As an emerging alternative, we present a series of polythiophenes functionalized with a hybrid carboxyl-alkyl side chain. By variation of the alkyl spacer length, a comprehensive evaluation of both the impact of carboxylic acid functionalization and alkyl spacer length was conducted. COOH-functionalization endows the polymer with preferential intrinsic low-swelling behavior and water processability to yield solvent-resistant conjugated polyelectrolytes while retaining substantial electroactivity in aqueous environments. Advanced in situ techniques, including time-resolved spectroelectrochemistry and Raman spectroscopy, are used to interrogate the materials' microstructure, ionic-electronic coupling, and operational stability in devices. To compare these materials' performance to state-of-the-art technology for the design of OMIECs, we benchmarked the materials and demonstrated significant application potential in both planar and interdigitated organic electrochemical transistors (OECTs). The polythiophene bearing carboxyl-butyl side chains exhibits greater electrochemical performance and faster doping kinetics within the polymer series, with a record-high OECT performance among conjugated polyelectrolytes ([μC*]pOECT = 107 ± 4 F cm-1 V-1 s-1). The results provide an enhanced understanding of structure-property relationships for conjugated polyelectrolytes operating in aqueous media and expand the materials options for future OMIEC development. Further, this work demonstrates the potential for conjugated polymers bearing alkyl-COOH side chains as a path toward robust OMIEC designs that may facilitate further facile (bio)chemical functionalization for a range of (bio)sensing applications
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|a Journal Article
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|a Khau, Brian
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Hao
|e verfasserin
|4 aut
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1 |
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|a Takacs, Christopher J
|e verfasserin
|4 aut
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1 |
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|a Yuan, Shuhan
|e verfasserin
|4 aut
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|a Sun, Mengting
|e verfasserin
|4 aut
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|a Mosevitzky Lis, Bar
|e verfasserin
|4 aut
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| 700 |
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|a Nguyen, Dang
|e verfasserin
|4 aut
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| 700 |
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|a Reichmanis, Elsa
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 35(2023), 21 vom: 14. Nov., Seite 9299-9312
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:21
|g day:14
|g month:11
|g pages:9299-9312
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|u http://dx.doi.org/10.1021/acs.chemmater.3c02103
|3 Volltext
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