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Proceedings Paper

Terahertz study of hole transport in pentacene thin films
Author(s): Stefan G. Engelbrecht; Markus Prinz; Thomas R. Arend; Roland Kersting
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Paper Abstract

Terahertz electromodulation spectroscopy is a novel tool for studying charge carrier transport in polycrys­talline thin films. The technique selectively probes the high-frequency response of mobile carriers and is insensitive to scattering at grain boundaries as well as to trapping processes. In thin films of pentacene we find a hole mobility of 21 cm2 /Vs, which exceeds the largest previously reported values obtained in poly­ crystalline pentacene. Additionally, the data provide an upper limit of the hole conductivity effective mass of mh ≈ 0.8 me.

Paper Details

Date Published: 7 October 2014
PDF: 7 pages
Proc. SPIE 9185, Organic Field-Effect Transistors XIII; and Organic Semiconductors in Sensors and Bioelectronics VII, 91850S (7 October 2014); doi: 10.1117/12.2060817
Show Author Affiliations
Stefan G. Engelbrecht, Ludwig-Maximilians-Univ. München (Germany)
Markus Prinz, Ludwig-Maximilians-Univ. München (Germany)
Thomas R. Arend, Ludwig-Maximilians-Univ. München (Germany)
Roland Kersting, Ludwig-Maximilians-Univ. München (Germany)


Published in SPIE Proceedings Vol. 9185:
Organic Field-Effect Transistors XIII; and Organic Semiconductors in Sensors and Bioelectronics VII
Zhenan Bao; Ruth Shinar; Ioannis Kymissis; Iain McCulloch, Editor(s)

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