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    Solution processing of polymer semiconductor: Insulator blends-Tailored optical properties through liquid-liquid phase separation control

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    Type
    Article
    Authors
    Hellmann, Christoph
    Treat, Neil D.
    Scaccabarozzi, Alberto D.
    Razzell Hollis, Joseph
    Fleischli, Franziska D.
    Bannock, James H.
    de Mello, John
    Michels, Jasper J.
    Kim, Ji-Seon
    Stingelin, Natalie cc
    Date
    2014-12-17
    Online Publication Date
    2014-12-17
    Print Publication Date
    2015-02-15
    Permanent link to this record
    http://hdl.handle.net/10754/599661
    
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    Abstract
    © 2014 Wiley Periodicals, Inc. It has been demonstrated that the 0-0 absorption transition of poly(3-hexylthiophene) (P3HT) in blends with poly(ethylene oxide) (PEO) could be rationally tuned through the control of the liquid-liquid phase separation process during solution deposition. Pronounced J-like aggregation behavior, characteristic for systems of a low exciton band width, was found for blends where the most pronounced liquid-liquid phase separation occurred in solution, leading to domains of P3HT and PEO of high phase purity. Since liquid-liquid phase separation could be readily manipulated either by the solution temperature, solute concentration, or deposition temperature, to name a few parameters, our findings promise the design from the out-set of semiconductor:insulator architectures of pre-defined properties by manipulation of the interaction parameter between the solutes as well as the respective solute:solvent system using classical polymer science principles.
    Citation
    Hellmann C, Treat ND, Scaccabarozzi AD, Razzell Hollis J, Fleischli FD, et al. (2014) Solution processing of polymer semiconductor: Insulator blends-Tailored optical properties through liquid-liquid phase separation control. J Polym Sci Part B: Polym Phys 53: 304–310. Available: http://dx.doi.org/10.1002/polb.23656.
    Sponsors
    This work was supported by a KAUST Global Collaborative Research Academic Excellence Alliance (AEA) grant. N. Stingelin is in addition supported by a European Research Council (ERC) Starting Independent Research Fellowship under the grant agreement no. 279587. C. Hellmann highly acknowledges the experimental support of Bob C. Schroeder and Iain McCulloch. N.D. Treat acknowledges support from the NSF IRFP (OISE 1201915) and European Research Council Marie Curie International Incoming Fellowship under Grand Agreement Number 300091. F. Fleischli acknowledges the grant for prospective researchers from the Swiss National Science Foundations. J. Bannock is funded under an EPSRC Doctoral Training Centre in Plastic Electronics (grant number EP/G037515/1) and holds an Industrial Fellowship with the Royal Commission for the Exhibition of 1851. J.-S. Kim acknowledges the EPSRC Centre for Doctoral Training (EP/G037515/1).
    Publisher
    Wiley
    Journal
    Journal of Polymer Science Part B: Polymer Physics
    DOI
    10.1002/polb.23656
    ae974a485f413a2113503eed53cd6c53
    10.1002/polb.23656
    Scopus Count
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