Carbon nanotube and conducting polymer dual-layered films fabricated by microcontact printing

Jin Woo Huh, Jin Wook Jeong, Jin Woo Lee, Sang Il Shin, Jae Hong Kwon, Jinnil Choi, Ho Gyu Yoon, Gyeong Ik Cho, In Kyu You, Seung Youl Kang, Byeong Kwon Ju

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We report carbon nanotube/conducting polymer dual-layered film (CPDF) electrodes fabricated by microcontact printing for flexible transparent electrodes of organic thin film transistors (OTFTs). The CPDFs show ∼1000 /sq surface resistivity and ∼93% transmittance at an extremely low loading of single-walled carbon nanotubes, and can be self-aligned with a precision of 20 μm. The CPDFs are applied as the source and drain electrodes in OTFTs without any supplementary alignment process, which leads to a mobility and a current on/off ratio of approximately 0.02 cm2 V-1 s-1 and ∼ 104, respectively.

Original languageEnglish
Article number223311
JournalApplied Physics Letters
Issue number22
Publication statusPublished - 2009 Jun 15


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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