X-ray imager using solution processed organic transistor arrays and bulk heterojunction photodiodes on thin, flexible plastic substrate

G.H. Gelinck, A. Kumar, D. Moet, J.L. van der Steen, U. Shafique, P.E. Malinowski, K. Myny, B.P. Rand, M. Simon, W. Rütten, A. Douglas, J. Jorritsma, P. Heremans, R. Andriessen

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Abstract

We describe the fabrication and characterization of large-area active-matrix X-ray/photodetector array of high quality using organic photodiodes and organic transistors. All layers with the exception of the electrodes are solution processed. Because it is processed on a very thin plastic substrate of 25 mu;m thickness, the photodetector is only 100 mu;m thick. When combined with an 300-μm-thick X-ray scintillator, this gives a thin, low-weight and shatterproof X-ray detector of ca. 400 mu;m thickness. We demonstrate X-ray imaging under conditions that are used in medical applications. 

Original languageEnglish
Pages (from-to)2602-2609
Number of pages8
JournalOrganic Electronics
Volume14
Issue number10
DOIs
Publication statusPublished - 2013
Externally publishedYes

Keywords

  • Flexible electronics
  • Organic photodiode
  • Organic transistor
  • Photoimager
  • X-ray detector

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