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    N-type Rigid Semiconducting Polymers Bearing Oligo(Ethylene Glycol) Side Chains for High Performance Organic Electrochemical Transistors

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    N type_N type rigid.pdf
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    1.362Mb
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    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2021-12-24
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    Type
    Article
    Authors
    Chen, Xingxing cc
    Marks, Adam
    Paulsen, Bryan D.
    Wu, Ruiheng
    Rashid, Reem B.
    Chen, Hu cc
    Alsufyani, Maryam cc
    Rivnay, Jonathan
    McCulloch, Iain
    KAUST Department
    KAUST Solar Center (KSC)
    Physical Science and Engineering (PSE) Division
    Chemical Science Program
    KAUST Grant Number
    OSR2018-CARF/CCF-3079
    OSR-2015-CRG4-2572
    OSR2019-CRG8-4086
    Date
    2020-12-24
    Embargo End Date
    2021-12-24
    Submitted Date
    2020-10-18
    Permanent link to this record
    http://hdl.handle.net/10754/666751
    
    Metadata
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    Abstract
    N-type conjugated polymers as the semiconducting component of organic electrochemical transistors (OECTs) are still undeveloped with respect to the p-type counterparts. Herein, we first report two rigid n-type conjugated polymers bearing oligo(ethylene glycol) (OEG) side chains, PgNaN and PgNgN, which demonstrated an essentially torsion-free π-conjugated backbone. The planarity and electron-deficient rigid structures enable the resulting polymers to achieve high electron mobility in an OECT device of up to 10 -3 cm 2 V -1 s -1 range, with a deep-lying lowest unoccupied molecular orbital (LUMO) energy level lower than -4.0 eV. Prominently, the polymers exhibited a high device performance with a maximum dimensionally normalized transconductance of 0.212 S cm -1 and the product of charge carrier mobility µ and volumetric capacitance C* of 0.662 ± 0.113 F cm -1 V -1 s -1 , which are among the highest in n-type conjugated polymers reported to date. Moreover, the polymers are synthesized via a metal-free aldol condensation polymerization, which is beneficial to their application in bioelectronics. Our work proves a new way for designing glycolated n-type conjugated polymers with low-lying LUMO and conformation-locked backbones for high performance OECTs.
    Citation
    Chen, X., Marks, A., Paulsen, B. D., Wu, R., Rashid, R. B., Chen, H., … McCulloch, I. (2020). N-type Rigid Semiconducting Polymers Bearing Oligo(Ethylene Glycol) Side Chains for High Performance Organic Electrochemical Transistors. Angewandte Chemie. doi:10.1002/ange.202013998
    Sponsors
    The research reported in this publication was supported by funding from King Abdullah University of Science and Technology Office of Sponsored Research (OSR) under awards no. OSR2018-CARF/CCF-3079, no. OSR-2015-CRG4-2572 and OSR2019-CRG8-4086. We acknowledge EC FP7 Project SC2 (610115), EC H2020 (643791), and EPSRC Projects EP/G037515/1, EP/M005143/1, and EP/L016702/1. B.D.P., R.W.,and J.R. gratefully acknowledge support from the National Science Foundation grant no. NSF DMR-1751308. Special thanks to Joseph Strzalka and Qingteng Zhang for beam line assistance. This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02- 06CH11357. This work utilized Keck-II facility of Northwestern University’s NUANCE Center and Northwestern University Micro/Nano Fabrication Facility (NUFAB), which are both partially supported by Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF ECCS-1542205), the Materials Research Science and Engineering Center (NSF DMR-1720139), the State of Illinois, and Northwestern University. Additionally, the Keck-II facility is partially supported by the International Institute for Nanotechnology (IIN); the Keck Foundation; and the State of Illinois, through the IIN.
    Publisher
    Wiley
    Journal
    Angewandte Chemie
    DOI
    10.1002/ange.202013998
    10.1002/anie.202013998
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/ange.202013998
    ae974a485f413a2113503eed53cd6c53
    10.1002/ange.202013998
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Science Program; KAUST Solar Center (KSC)

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