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Detecting 6 MV X-rays using an organic photovoltaic device

Kingsley, J.W., Pearson, A.J., Harris, L., Weston, S.J. and Lidzey, D.G. (2009) Detecting 6 MV X-rays using an organic photovoltaic device. Organic Electronics, 10 (6). pp. 1170-1173. ISSN 1566-1199

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An organic photovoltaic (OPV) device has been used in conjunction with a flexible inorganic phosphor to produce a radiation tolerant, efficient and linear detector for 6 MV Xrays. The OPVs were based on a blend of poly(3-hexylthiophene-2,5-diyl) (P3HT) and phenyl-C61-butyric acid methyl ester (PCBM). We show that the devices have a sensitivity an order of magnitude higher than a commercial silicon detector used as a reference. Exposure to 360 Grays of radiation resulted in a small (2%) degradation in performance demonstrating that these detectors have the potential to be used as flexible, real-time, in vivo dosimeters for oncology treatments. (C) 2009 Elsevier B.V. All rights reserved.

Item Type: Article
Copyright, Publisher and Additional Information: © 2009 Elsevier. This is an author produced version of a paper subsequently published in Organic Electronics. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Organic photovoltaic; X-ray; P3HT; PCBM
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Science (Sheffield) > Department of Physics and Astronomy (Sheffield)
Depositing User: Miss Anthea Tucker
Date Deposited: 28 Sep 2009 11:33
Last Modified: 08 Feb 2013 16:59
Published Version: http://dx.doi.org/10.1016/j.orgel.2009.06.006
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.orgel.2009.06.006
URI: http://eprints.whiterose.ac.uk/id/eprint/9783

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