A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection
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A method employing conjugated polymer thin film blends is shown to provide a simple and convenient way of greatly enhancing the ultraviolet response of silicon photodetectors. Hybrid organic semiconductor/silicon photodetectors are demonstrated using fluorene copolymers and give a quantum efficiency of 60% at 200 nm. The quantum efficiency is greater than 34% over the entire 200-620 nm range. These devices show promise for use in high sensitivity, low cost UV-visible photodetection and imaging applications. (C) 2007 Optical Society of America
Levell , J W , Giardini , M E & Samuel , I D W 2010 , ' A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection ' Optics Express , vol 18 , no. 4 , pp. 3219-3225 . DOI: 10.1364/OE.18.003219
(c) 2010 OSA. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-18-4-3219. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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