Tetrathienoacene Copolymers As High Mobility, Soluble Organic Semiconductors
Journal of the American Chemical Society2008Vol. 130(40), pp. 13202–13203
Citations Over TimeTop 1% of 2008 papers
Hon Hang Fong, Vladimir A. Pozdin, Aram Amassian, George G. Malliaras, Detlef‐M. Smilgies, Mingqian He, S. P. Gasper, Feixia Zhang, Michael L. Sorensen
Abstract
Increasing the rigidity of the thiophene monomer through the use of an alkyl-substituted core that consists of four fused thiophene rings is shown to be a promising route toward high-performance organic semiconductors. We report on a dialkylated tetrathienoacene copolymer that can be deposited from solution to yield ordered films with a short pi-pi distance of 3.76 A and with a field-effect hole mobility that exceeds 0.3 cm2/V.s. This polymer enables simple transistor fabrication at relatively low temperatures, which is particularly important for the realization of large-area, mechanically flexible electronics.
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