High-Performance Next-Generation Perovskite Nanocrystal Scintillator for Nondestructive X-Ray Imaging

Jin Hyuck Heo; Dong Hee Shin; Jin Kyoung Park; Do Hun Kim; Sang Jin Lee; Sang Hyuk Im

doi:10.1002/adma.201801743

High-Performance Next-Generation Perovskite Nanocrystal Scintillator for Nondestructive X-Ray Imaging

Jin Hyuck Heo, Dong Hee Shin, Jin Kyoung Park, Do Hun Kim, Sang Jin Lee, Sang Hyuk Im

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

188 Citations (Scopus)

Abstract

Readily commercializable and cost-effective next-generation CsPbBr₃ perovskite nanocrystals (PNCs) based X-ray detectors are demonstrated. The PNCs-based X-ray detector exhibits higher spatial resolution (9.8 lp mm⁻¹ at modulation transfer function (MTF) = 0.2 and 12.5–8.9 lp mm⁻¹ for a linear line chart), faster response time (≈200 ns), and comparable stability (>40 Gy_air s⁻¹ of X-ray exposure) compared with the commercialized terbium-doped gadolinium oxysulfide (GOS)-based detectors (spatial resolution = 6.2 lp mm⁻¹ at MTF = 0.2 and 6.3 lp mm⁻¹ for a linear line chart, response time = ≈1200 ns) because the PNCs-based scintillator has ≈5.6-fold faster average photoluminescence lifetime and stronger emission than the GOS-based one.

Original language	English
Article number	1801743
Journal	Advanced Materials
Volume	30
Issue number	40
DOIs	https://doi.org/10.1002/adma.201801743
Publication status	Published - 2018 Oct 4

Bibliographical note

Funding Information:
This study was supported by the National Research Foundation of Korea (NRF) under the Ministry of Science, ICT & Future Planning (Basic Science Research Program (No.2014R1A5A1009799), Nano-Material Technology Development Program (No. 2017M3A7B4041696), the Technology Development Program to Solve Climate Change (No. 2015M1A2A2055631), and Global Frontier R&D Program on Center for Multiscale Energy System (No. 2012M3A6A7054855).

Publisher Copyright:
© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

X-ray imaging
cesium lead tribromide
nanocrystals
perovskite
scintillators

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "High-Performance Next-Generation Perovskite Nanocrystal Scintillator for Nondestructive X-Ray Imaging",

abstract = "Readily commercializable and cost-effective next-generation CsPbBr3 perovskite nanocrystals (PNCs) based X-ray detectors are demonstrated. The PNCs-based X-ray detector exhibits higher spatial resolution (9.8 lp mm−1 at modulation transfer function (MTF) = 0.2 and 12.5–8.9 lp mm−1 for a linear line chart), faster response time (≈200 ns), and comparable stability (>40 Gyair s−1 of X-ray exposure) compared with the commercialized terbium-doped gadolinium oxysulfide (GOS)-based detectors (spatial resolution = 6.2 lp mm−1 at MTF = 0.2 and 6.3 lp mm−1 for a linear line chart, response time = ≈1200 ns) because the PNCs-based scintillator has ≈5.6-fold faster average photoluminescence lifetime and stronger emission than the GOS-based one.",

keywords = "X-ray imaging, cesium lead tribromide, nanocrystals, perovskite, scintillators",

author = "Heo, {Jin Hyuck} and Shin, {Dong Hee} and Park, {Jin Kyoung} and Kim, {Do Hun} and Lee, {Sang Jin} and Im, {Sang Hyuk}",

note = "Funding Information: This study was supported by the National Research Foundation of Korea (NRF) under the Ministry of Science, ICT & Future Planning (Basic Science Research Program (No.2014R1A5A1009799), Nano-Material Technology Development Program (No. 2017M3A7B4041696), the Technology Development Program to Solve Climate Change (No. 2015M1A2A2055631), and Global Frontier R&D Program on Center for Multiscale Energy System (No. 2012M3A6A7054855). Publisher Copyright: {\textcopyright} 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

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AU - Lee, Sang Jin

AU - Im, Sang Hyuk

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N2 - Readily commercializable and cost-effective next-generation CsPbBr3 perovskite nanocrystals (PNCs) based X-ray detectors are demonstrated. The PNCs-based X-ray detector exhibits higher spatial resolution (9.8 lp mm−1 at modulation transfer function (MTF) = 0.2 and 12.5–8.9 lp mm−1 for a linear line chart), faster response time (≈200 ns), and comparable stability (>40 Gyair s−1 of X-ray exposure) compared with the commercialized terbium-doped gadolinium oxysulfide (GOS)-based detectors (spatial resolution = 6.2 lp mm−1 at MTF = 0.2 and 6.3 lp mm−1 for a linear line chart, response time = ≈1200 ns) because the PNCs-based scintillator has ≈5.6-fold faster average photoluminescence lifetime and stronger emission than the GOS-based one.

AB - Readily commercializable and cost-effective next-generation CsPbBr3 perovskite nanocrystals (PNCs) based X-ray detectors are demonstrated. The PNCs-based X-ray detector exhibits higher spatial resolution (9.8 lp mm−1 at modulation transfer function (MTF) = 0.2 and 12.5–8.9 lp mm−1 for a linear line chart), faster response time (≈200 ns), and comparable stability (>40 Gyair s−1 of X-ray exposure) compared with the commercialized terbium-doped gadolinium oxysulfide (GOS)-based detectors (spatial resolution = 6.2 lp mm−1 at MTF = 0.2 and 6.3 lp mm−1 for a linear line chart, response time = ≈1200 ns) because the PNCs-based scintillator has ≈5.6-fold faster average photoluminescence lifetime and stronger emission than the GOS-based one.

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High-Performance Next-Generation Perovskite Nanocrystal Scintillator for Nondestructive X-Ray Imaging

Abstract

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Keywords

ASJC Scopus subject areas

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