A Fused Selenocycle as a Stable Organic Semiconductor

doi:10.1055/s-2006-934511

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Synfacts 2006(6): 0573-0573
DOI: 10.1055/s-2006-934511

Synthesis of Materials and Unnatural Products

A Fused Selenocycle as a Stable Organic Semiconductor

Contributor(s): Timothy M. Swager, Trisha L. Andrew
K. Takimiya*, Y. Kunugi, Y. Konda, H. Ebata, Y. Toyoshima, T. Otsubo
Hiroshima University, Japan

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Publikationsdatum:
22. Mai 2006 (online)

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Significance

Selenocycle 1 forms a highly ordered thin film on a Si/SiO₂ substrate upon vapor deposition, with individual molecules aligned nearly perpendicular to the substrate. In a p-type FET (Field Effect Transistor) device, the thin film exhibits relatively high hole mobilities (˜0.3 cm² V^-1 s^-1) while being resistant to photo or thermal oxidation under ambient conditions; therefore, 1 is one of only few currently known, technologically feasible organic semiconductors.