Indirect X-ray Detectors Based on Inkjet-Printed Photodetectors with a Screen-Printed Scintillator Layer

Juliana Oliveira, Vitor Correia, Enrico Sowade, Ikerne Etxebarria, Raul D. Rodriguez, Kalyan Y. Mitra, Reinhard R. Baumann, Senentxu Lanceros-Mendez

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Organic photodetectors (PDs) based on printing technologies will allow to expand the current field of PD applications toward large-area and flexible applications in areas such as medical imaging, security, and quality control, among others. Inkjet printing is a powerful digital tool for the deposition of smart and functional materials on various substrates, allowing the development of electronic devices such as PDs on various substrates. In this work, inkjet-printed PD arrays, based on the organic thin-film transistor architecture, have been developed and applied for the indirect detection of X-ray radiation using a scintillator ink as an X-ray absorber. The >90% increase of the photocurrent of the PDs under X-ray radiation, from about 53 nA without the scintillator film to about 102 nA with the scintillator located on top of the PD, proves the suitability of the developed printed device for X-ray detection applications.

Original languageEnglish
Pages (from-to)12904-12912
Number of pages9
JournalACS Applied Materials and Interfaces
Volume10
Issue number15
DOIs
Publication statusPublished - 18 Apr 2018

Fingerprint

Photodetectors
Phosphors
Detectors
X rays
Printing
Radiation
Intelligent materials
Functional materials
Medical imaging
Substrates
Thin film transistors
Photocurrents
Ink
Quality control

Keywords

  • inkjet
  • organic photodetectors
  • printed photodetectors
  • radiation detectors
  • X-ray imaging

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Indirect X-ray Detectors Based on Inkjet-Printed Photodetectors with a Screen-Printed Scintillator Layer. / Oliveira, Juliana; Correia, Vitor; Sowade, Enrico; Etxebarria, Ikerne; Rodriguez, Raul D.; Mitra, Kalyan Y.; Baumann, Reinhard R.; Lanceros-Mendez, Senentxu.

In: ACS Applied Materials and Interfaces, Vol. 10, No. 15, 18.04.2018, p. 12904-12912.

Research output: Contribution to journalArticle

Oliveira, J, Correia, V, Sowade, E, Etxebarria, I, Rodriguez, RD, Mitra, KY, Baumann, RR & Lanceros-Mendez, S 2018, 'Indirect X-ray Detectors Based on Inkjet-Printed Photodetectors with a Screen-Printed Scintillator Layer', ACS Applied Materials and Interfaces, vol. 10, no. 15, pp. 12904-12912. https://doi.org/10.1021/acsami.8b00828
Oliveira, Juliana ; Correia, Vitor ; Sowade, Enrico ; Etxebarria, Ikerne ; Rodriguez, Raul D. ; Mitra, Kalyan Y. ; Baumann, Reinhard R. ; Lanceros-Mendez, Senentxu. / Indirect X-ray Detectors Based on Inkjet-Printed Photodetectors with a Screen-Printed Scintillator Layer. In: ACS Applied Materials and Interfaces. 2018 ; Vol. 10, No. 15. pp. 12904-12912.
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