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    Solution-printed organic semiconductor blends exhibiting transport properties on par with single crystals

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    Type
    Article
    Authors
    Niazi, Muhammad Rizwan cc
    Li, Ruipeng
    Li, Erqiang cc
    Kirmani, Ahmad R. cc
    Abdelsamie, Maged cc
    Wang, Qingxiao
    Pan, Wenyang
    Payne, Marcia M.
    Anthony, John E.
    Smilgies, Detlef-M. cc
    Thoroddsen, Sigurdur T cc
    Giannelis, Emmanuel P.
    Amassian, Aram cc
    KAUST Department
    Electron Microscopy
    High-Speed Fluids Imaging Laboratory
    Imaging and Characterization Core Lab
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Mechanical Engineering Program
    Office of the VP
    Organic Electronics and Photovoltaics Group
    Physical Science and Engineering (PSE) Division
    Date
    2015-11-23
    Online Publication Date
    2015-11-23
    Print Publication Date
    2015-12
    Permanent link to this record
    http://hdl.handle.net/10754/583282
    
    Metadata
    Show full item record
    Abstract
    Solution-printed organic semiconductors have emerged in recent years as promising contenders for roll-to-roll manufacturing of electronic and optoelectronic circuits. The stringent performance requirements for organic thin-film transistors (OTFTs) in terms of carrier mobility, switching speed, turn-on voltage and uniformity over large areas require performance currently achieved by organic single-crystal devices, but these suffer from scale-up challenges. Here we present a new method based on blade coating of a blend of conjugated small molecules and amorphous insulating polymers to produce OTFTs with consistently excellent performance characteristics (carrier mobility as high as 6.7 cm2 V−1 s−1, low threshold voltages of<1 V and low subthreshold swings <0.5 V dec−1). Our findings demonstrate that careful control over phase separation and crystallization can yield solution-printed polycrystalline organic semiconductor films with transport properties and other figures of merit on par with their single-crystal counterparts.
    Citation
    Solution-printed organic semiconductor blends exhibiting transport properties on par with single crystals 2015, 6:8598 Nature Communications
    Publisher
    Springer Nature
    Journal
    Nature Communications
    DOI
    10.1038/ncomms9598
    PubMed ID
    26592862
    Additional Links
    http://www.nature.com/doifinder/10.1038/ncomms9598
    ae974a485f413a2113503eed53cd6c53
    10.1038/ncomms9598
    Scopus Count
    Collections
    Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Mechanical Engineering Program; KAUST Solar Center (KSC)

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