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In this work, a new approach to selectively sort semiconducting single-walled carbon nanotubes (sc-SWCNTs) by regioregular poly(3- dodecylthiophene) (rr-P3DDT) has been reported. Effective separation of sc-SWCNTs has been demonstrated by tuning the types of solvent, temperature and centrifugation rate. Thin-film transistors (TFTs) using rr-P3DDT sorted sc-SWCNTs as semiconducting ink were fabricated on the SiO2/Si substrate by inkjet printing technique. Printed TFTs showed good electrical properties with effective mobility up to 1.2 cm2V-1 s -1 and on/off ratio of 107. It is expected to use sorted sc-SWCNTs to fabricate printable logic circuits and other printable electronics.


Conference paper

Publication Date





92 - 95