CUED Publications database

Formation of composite organic thin film transistors with nanotubes and nanowires

Hsieh, GW and Beecher, P and Li, FM and Servati, P and Colli, A and Fasoli, A and Chu, D and Nathan, A and Ong, B and Robertson, J and Ferrari, AC and Milne, WI (2008) Formation of composite organic thin film transistors with nanotubes and nanowires. Physica E: Low-Dimensional Systems and Nanostructures, 40. pp. 2406-2413. ISSN 1386-9477

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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‴-dialkyl-quaterthiophene) (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. © 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Divisions: Div B > Photonics
Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:35
Last Modified: 02 Mar 2021 06:42
DOI: 10.1016/j.physe.2007.10.044