Field-effect mobilities and on/off current ratios have been determined for the organic field-effect transistors (OFETs) based on three kinds of poly(p-phenylenevinylene) derivatives. The best transistor performance has been obtained for poly(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV). The hole mobility and the on/off ratio obtained for the MEH-PPV OFET are 3.6 × 10-4 cm2/Vs and 1.5 × 10 6, respectively. These OFETs operate stably in the atmosphere as well as in vacuum.
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