Visible light emission from polymer-based field-effect transistors
- 13 April 2004
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 84 (16) , 3037-3039
- https://doi.org/10.1063/1.1710713
Abstract
Field-effect transistors (FETs) based on poly [2-methoxy, 5-(2′-ethyl-hexoxy)-1, 4-phenylenevinylene] (MEH-PPV) were prepared with bottom-contact type interdigital electrodes of Cr/Au and Al/Au on the substrates. MEH-PPV exhibited a p-type semiconducting behavior and orange light emission was observed when the devices were operated in vacuum. It was found that the luminescence efficiency of the FETs with Al/Au electrodes was higher than that of Cr/Au electrodes. The simultaneous injection of holes and electrons into MEH-PPV occurred efficiently with the application of Al/Au heteroelectrodes.
Keywords
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