Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 136, Issue 43, Pages 15154-15157Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja508798s
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Funding
- EPSRC [EP/G060738/1]
- U.S. Department of Energy Office of Science by Stanford University
- EPSRC [EP/G060738/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G060738/1] Funding Source: researchfish
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Three novel polythiophene isomers are reported whereby the only difference in structure relates to the regiochemistry of the solubilizing side chains on the backbone. This is demonstrated to have a significant impact on the optoelectronic properties of the polymers and their propensity to aggregate in solution. These differences are rationalized on the basis of differences in backbone torsion. The polymer with the largest effective conjugation length is demonstrated to exhibit the highest field-effect mobility, with peak values up to 4.6 cm(2) V-1 s(-1).
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