Title

Lower Activation Energy In Organic Field Effect Transistors With Carbon Nanotube Contacts

Keywords

Activation energy; Carbon nanotube electrode; Charge transport; Interface; Organic field effect transistors

Abstract

We study temperature dependent charge transport properties of pentacene field effect transistors (FET) with carbon nanotube (CNT) electrodes. The field effect mobilities at different temperatures and gate voltages follow activated hopping behavior from which we calculate an activation energy of 48 meV for the CNT contacted pentacene FET. This value is lower than that of our control Pd contacted pentacene FET device (83 meV). The lower activation energy of the CNT contacted devices is attributed to improved CNT/pentacene interface. © 2014 Elsevier Ltd. All rights reserved.

Publication Date

1-1-2014

Publication Title

Solid-State Electronics

Volume

99

Number of Pages

55-58

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.sse.2014.05.009

Socpus ID

84903603545 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84903603545

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