Formation of composite organic thin film transistors with nanotubes and nanowires

TitleFormation of composite organic thin film transistors with nanotubes and nanowires
Publication TypeJournal Article
Year of Publication2008
AuthorsHsieh, G. W., P. Beecher, F. M. Li, P. Servati, A. Colli, A. Fasoli, D. Chu, A. Nathan, B. Ong, J. Robertson, A. C. Ferrari, and W. I. Milne
JournalPhysica E-Low-Dimensional Systems & Nano Structures
Volume40
Pagination2406–2413
ISSN1386-9477
Abstract

Plastic electronics is a rapidly expanding topic, much of which has been focused on organic semiconductors. However, it is also of interest to find viable ways to integrate nanomaterials, such as silicon nanowires (SiNWs) and carbon nanotubes (CNTs), into this technology. Here, we present methods of fabrication of composite devices incorporating such nanostructured materials into an organic matrix. We investigate the formation of polymer/CNT composites, for which we use the semiconducting polymer poly(3,3'''-dialkylquaterthiophene) (PQT). We also report a method of fabricating polymer/SiNW TFTs, whereby sparse arrays of parallel oriented SiNWs are initially prepared on silicon dioxide substrates from forests of as-grown gold-catalysed SiNWs. Subsequent ink-jet printing of PQT on these arrays produces a polymer/SiNW composite film. We also present the electrical characterization of all composite devices. (c) 2007 Elsevier B.V. All rights reserved.

URLhttp://dx.doi.org/10.1016/j.physe.2007.10.044
DOI10.1016/j.physe.2007.10.044

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