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Silk fibroin, one of the silk proteins produced by the silk work, is shown to be an excellent gate dielectric material for pentacene organic thin-film transistors (OTFTs). The pentacene OTFT described exhibits a very high field-effect mobility value of 23.2 cm2 V−1 s−1 and a low operating voltage of –3 V. This, combined with its advantages of low cost and light weight, confers on it great potential for high-speed flexible electronics applications.
Wang et al. (Tue,) studied this question.