Printable Perovskite Diodes for Broad-Spectrum Multienergy X-Ray Detection

Babar Shabbir; Jae Choul Yu; Tharindu WarnakulaR. A. W. AyyubiJames A. PollockM. Mosarof HossainJueng-Eun KimNasiruddin MacadamLeonard. W. T. NgTawfique HasanDoojin VakMarcus J. KitchenJacek J. Jasieniak

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Printable Perovskite Diodes for Broad-Spectrum Multienergy X-Ray Detection

机译：Printable Perovskite Diodes for Broad-Spectrum Multienergy X-Ray Detection

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Multienergy X-ray detection is critical to effectively differentiate materialsin a variety of diagnostic radiology and nondestructive testing applications.Silicon and selenium X-ray detectors are the most common for multienergydetection; however, these present poor energy discrimination across thebroad X-ray spectrum and exhibit limited spatial resolution due to the highthicknesses required for radiation attenuation. Here, an X-ray detector basedon solution-processed thin-film metal halide perovskite that overcomes thesechallenges is introduced. By harnessing an optimized n-i-p diode configuration,operation is achieved across a broad range of soft and hard X-rayenergies stemming from 0.1 to 10's of keV. Through detailed experimentaland simulation work, it is shown that optimized Cs_(0.1)FA_(0.9)PbI_3 perovskiteseffectively attenuate soft and hard X-rays, while also possessing excellentelectrical properties to result in X-ray detectors with high sensitivity factorsthat exceed 5 × 10~3 μC Gy_(Vac)~(?1)cm~(?2) and 6 × 10~4 μC Gy~(?1) cm~(?2) within soft andhard X-ray regimes, respectively. Harnessing the solution-processable natureof the perovskites, roll-to-roll printable X-ray detectors on flexible substratesare also demonstrated.

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来源
《Advanced Materials》 |2023年第20期|2210068.1-2210068.10|共10页
作者
Babar Shabbir; Jae Choul Yu; Tharindu WarnakulaR. A. W. AyyubiJames A. PollockM. Mosarof HossainJueng-Eun KimNasiruddin MacadamLeonard. W. T. NgTawfique HasanDoojin VakMarcus J. KitchenJacek J. Jasieniak;
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School of Physics and AstronomyMonash UniversityClayton, Victoria 3800, Australia;

Department of Materials Science and EngineeringMonash UniversityClayton, Victoria 3800, Australia,Department of Neuroscience, Central Clinical SchoolMonash UniversityMelbourne, Victoria 3004, Australia;

Department of Materials Science and EngineeringMonash UniversityClayton, Victoria 3800, Australia, CSIRO ManufacturingClayton, Victoria 3168, AustraliaCambridge Graphene CentreUniversity of CambridgeCB3 0FA, Cambridge, UKCambridge Graphene CentreUniversity of CambridgeCB3 0FA, Cambridge, UK,School of Materials Science and EngineeringNanyang Technological UniversitySingapore 639798, SingaporeCSIRO ManufacturingClayton, Victoria 3168, AustraliaN. Macadam, Leonard. W. T. Ng, T. HasanCambridge Graphene CentreUniversity of CambridgeCB3 0FA, Cambridge, UKDepartment of Materials Science and EngineeringMonash UniversityClayton, Victoria 3800, Australia, ARC Centre of Excellence in Exciton ScienceMonash UniversityClayton, Victoria 3800, AustraliaDepartment of PhysicsUniversity of Illinois at ChicagoChicago, IL 60607, USA;

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正文语种英语
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direct detection; dual energy detection; flexible substrate; metal halide perovskite; roll-to-roll printing; X-ray detector;

Printable Perovskite Diodes for Broad-Spectrum Multienergy X-Ray Detection

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