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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3219–3225

A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection

J. W. Levell, M. E. Giardini, and I. D. W. Samuel  »View Author Affiliations


Optics Express, Vol. 18, Issue 4, pp. 3219-3225 (2010)
http://dx.doi.org/10.1364/OE.18.003219


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Abstract

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.

© 2010 OSA

OCIS Codes
(040.6040) Detectors : Silicon
(040.7190) Detectors : Ultraviolet
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Detectors

History
Original Manuscript: July 28, 2009
Manuscript Accepted: December 15, 2009
Published: February 1, 2010

Citation
J. W. Levell, M. E. Giardini, and I. D. W. Samuel, "A hybrid organic semiconductor/silicon photodiode for efficient ultraviolet photodetection," Opt. Express 18, 3219-3225 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-4-3219


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