Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 49, Pages 19602-19605Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja207312f
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Funding
- NSF [NSF-DMR-0856060]
- DOE as an EFRC through Center for Energy Efficient Materials (CEEM) [DE-SC0001009]
- NSF
- DFG Center for Functional Nanostructures (CFN) [A4.2]
- Karlsruhe House of Young Scientists (KHYS)
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We show that polybis(thienyl)thienodiathiazolethiophene (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.
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