High-Mobility Organic Thin-Film Transistors Over 10 cm

概要

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We have synthesized novel thieno-fused compounds, bis(benzothieno)naphthalenes (BBTNs), and studied their thin-film transistors characteristics and thin-film properties. It was found that BBTN derivatives showed high mobilities (up to 15.6 cm2V-1s-1). In order to elucidate the origin of high mobilities of BBTNs, X-ray single-crystal structure analysis, XRD measurements, and thermal measurements were carried out. The results suggest that both the herringbone crystal packing and strong CH--\pi interaction between the thieno-fused cores are the important factors for high mobilities.
2013-05-25