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

Gerwin H. Gelinck, Abhishek Kumar, Date Moet, Jan Laurens Van Der Steen, Umar Shafique, Pawel E. Malinowski, Kris Myny, Barry P. Rand, Matthias Simon, Walter Rütten, Alexander Douglas, Jorrit Jorritsma, Paul Heremans, Ronn Andriessen

Research output: Contribution to journalArticlepeer-review

56 Scopus citations

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 (US)
Pages (from-to)2602-2609
Number of pages8
JournalOrganic Electronics
Volume14
Issue number10
DOIs
StatePublished - Jan 1 2013

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Keywords

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

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