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

被引:33
|
作者
Oliveira, Juliana [1 ,2 ]
Correia, Vitor [1 ,2 ]
Sowade, Enrico [3 ]
Etxebarria, Ikerne [5 ]
Rodriguez, Raul D. [4 ,6 ]
Mitra, Kalyan Y. [3 ]
Baumann, Reinhard R. [3 ]
Lanceros-Mendez, Senentxu [1 ,5 ,7 ]
机构
[1] Univ Minho, Ctr Fis, P-4710057 Braga, Portugal
[2] Univ Minho, Algoritmi Res Ctr, Campus Azurem, P-4800058 Guimaraes, Portugal
[3] Tech Univ Chemnitz, Digital Printing & Imaging Technol, D-09107 Chemnitz, Germany
[4] Tech Univ Chemnitz, Semicond Phys, D-09107 Chemnitz, Germany
[5] Univ Basque Country, Basque Ctr Mat Applicat & Nanostruct, BCMat, Sci Pk, E-48940 Leioa, Spain
[6] Fraunhofer Inst Elect Nano Syst ENAS, Dept Printed Funct, D-09126 Chemnitz, Germany
[7] Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain
关键词
inkjet; organic photodetectors; printed photodetectors; radiation detectors; X-ray imaging; ORGANIC PHOTODIODES; LARGE-AREA; FILM; TRANSPARENT; PERFORMANCE; ELECTRONICS; FABRICATION; COMPOSITES; COMPONENTS; POLYMERS;
D O I
10.1021/acsami.8b00828
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
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 Xray 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.
引用
收藏
页码:12904 / 12912
页数:9
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