Transfer Printing Approach to All-Carbon Nanoelectronics

Details Transfer Printing Approach to All-Carbon Nanoelectronics Transfer Printing Approach to All-Carbon Nanoelectronics

2010-11-15

arxiv.org/abs/1011.3269v1

Physics

Condensed Matter

Materials Science

17 pages, 4 figures

Scientific paper

Transfer printing methods are used to pattern and assemble monolithic carbon nanotube (CNT) thin-film transistors on large-area transparent, flexible substrates. Airbrushed CNT thin-films with sheet resistance 1kOhmsquare^{-1} at 80% transparency were used as electrodes, and high quality chemical vapor deposition (CVD)-grown CNT networks were used as the semiconductor component. Transfer printing was used to pre-pattern and assemble thin film transistors on polyethylene terephthalate (PET) substrates which incorporated Al_{2}O_{3}/poly-methylmethacrylate (PMMA) dielectric bi-layer. CNT-based ambipolar devices exhibit field-effect mobility in range 1 - 33 cm^{2}/Vs and on/off ratio ~10^{3}, comparable to the control devices fabricated using Au as the electrode material.

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