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Proceedings Paper

Solution processed OTFTs for OLED backplanes: development of high performance short channel length devices
Author(s): Christopher J. Newsome; Richard J. Wilson; Thomas J. Kugler; Mohd K. Othman; Jeremy H. Burroughes
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Paper Abstract

High performance short channel OTFTs with field effect mobilities greater than 1cm2V-1s-1 have been developed for OLED driver applications incorporating soluble crystalline semiconductor materials. We highlight the impact of contact resistance on the mobility in these devices and show by functionalising both the source and drain contacts and channel regions in a top gate bottom contact device architecture that the mobility can be significantly improved. Our approach also includes the optimisation of solvent selection from which the semiconductor material is deposited in order to enhance crystalline domain formation.

Paper Details

Date Published: 17 August 2010
PDF: 7 pages
Proc. SPIE 7778, Organic Field-Effect Transistors IX, 777811 (17 August 2010); doi: 10.1117/12.860366
Show Author Affiliations
Christopher J. Newsome, Cambridge Display Technology Ltd. (United Kingdom)
Richard J. Wilson, Cambridge Display Technology Ltd. (United Kingdom)
Thomas J. Kugler, Cambridge Display Technology Ltd. (United Kingdom)
Mohd K. Othman, Cambridge Display Technology Ltd. (United Kingdom)
Jeremy H. Burroughes, Cambridge Display Technology Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 7778:
Organic Field-Effect Transistors IX
Zhenan Bao; Iain McCulloch, Editor(s)

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