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TitleIndirect X-ray detectors based on inkjet-printed photodetectors with a screen-printed scintillator layer
Author(s)Oliveira, Juliana Alice Ferreira
Correia, V.
Sowade, Enrico
Etxebarria, Ikerne
Rodriguez, Raul D.
Mitra, Kalyan Y.
Baumann, Reinhard R.
Lanceros-Méndez, S.
Organic photodetectors
Printed photodetectors
Radiation detectors
X-ray imaging
Issue dateMar-2018
PublisherACS Publications
JournalACS Applied Materials and Interfaces
CitationOliveira, J., Correia, V., Sowade, E., Etxebarria, I., Rodriguez, R. D., Mitra, K. Y., et. al. (2018). Indirect X-ray detectors based on inkjet-printed photodetectors with a screen-printed scintillator layer. ACS applied materials & interfaces, 10(15), 12904-12912
Abstract(s)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
Publisher version
AccessOpen access
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)

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