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Integration of silk protein in organic and light-emitting transistors

✍ Scribed by R. Capelli; J.J. Amsden; G. Generali; S. Toffanin; V. Benfenati; M. Muccini; D.L. Kaplan; F.G. Omenetto; R. Zamboni

Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
835 KB
Volume
12
Category
Article
ISSN
1566-1199

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✦ Synopsis

We present the integration of a natural protein into electronic and optoelectronic devices by using silk fibroin as a thin film dielectric in an organic thin film field-effect transistor (OFET) ad an organic light emitting transistor device (OLET) structures. Both n- (perylene) and p-type (thiophene) silk-based OFETs are demonstrated. The measured electrical characteristics are in agreement with high-efficiency standard organic transistors, namely charge mobility of the order of 10(-2) cm(2)/Vs and on/off ratio of 10(4). The silk-based optolectronic element is an advanced unipolar n-type OLET that yields a light emission of 100nW.

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