Observations of PDDTT Subject to Thermal Treatment: Correlation between Performance and Order

We show that polybis(thienyl)thienodia-thiazolethiophene (PDDTT), a high-performance semiconducting polymer for photodetectors and field-effect transistors, has strong performance dependence on annealing temperature. An unprecedented increase of 3 orders of magnitude is observed in both transistor a...

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Published inJournal of the American Chemical Society Vol. 133; no. 49; pp. 19602 - 19605
Main Authors Yuen, Jonathan D, Kumar, Rajeev, Seifter, Jason, Valouch, Sebastian, Zakhidov, Dante, Moses, Daniel, Lemmer, Uli, Heeger, Alan J, Wudl, Fred
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 14.12.2011
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Summary:We show that polybis(thienyl)thienodia-thiazolethiophene (PDDTT), a high-performance semiconducting polymer for photodetectors and field-effect transistors, has strong performance dependence on annealing temperature. An unprecedented increase of 3 orders of magnitude is observed in both transistor and photoconductive properties. XRD and AFM evidence points to increased ordering in PDDTT films with annealing. This correlation highlights the importance that order has in determining performance in PDDTT and has possible implications in the design of polymers.
Bibliography:ObjectType-Article-1
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ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/ja207312f