Issue 78, 2013

Unsorted single walled carbon nanotubes enabled the fabrication of high performance organic thin film transistors with low cost metal electrodes

Abstract

Transistors with a diketopyrrolopyrrole-quarterthiophene (DPP-QT) semiconductor and low-cost Al or Cu electrodes were studied. Albeit a large charge injection resistance exists between DPP-QT and Al or Cu, the resistance was dramatically reduced when unsorted single walled carbon nanotubes (SWCNTs) were blended into the DPP-QT film. This led to a high mobility of 0.64 and 1.1 cm2 V−1 s−1, respectively, for Al and Cu devices, which is similar or even better than the device using gold electrodes (0.78 cm2 V−1 s−1).

Graphical abstract: Unsorted single walled carbon nanotubes enabled the fabrication of high performance organic thin film transistors with low cost metal electrodes

Supplementary files

Article information

Article type
Communication
Submitted
24 May 2013
Accepted
25 Jul 2013
First published
26 Jul 2013

Chem. Commun., 2013,49, 8791-8793

Unsorted single walled carbon nanotubes enabled the fabrication of high performance organic thin film transistors with low cost metal electrodes

C. S. Smithson, S. Zhu, T. Wigglesworth and Y. Wu, Chem. Commun., 2013, 49, 8791 DOI: 10.1039/C3CC43920H

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