Quantitative modeling of perovskite-based direct X-ray flat panel detectors

Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influ...
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Autor*in:	Song, Zihao [verfasserIn] Wang, Gaozhu [verfasserIn] Pang, Jincong [verfasserIn] Zheng, Zhiping [verfasserIn] Xu, Ling [verfasserIn] Zhou, Ying [verfasserIn] Niu, Guangda [verfasserIn] Tang, Jiang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2024

Schlagwörter:	DQE X-ray Detector Perovskite

Anmerkung:	© The Author(s) 2024

Übergeordnetes Werk:	Enthalten in: Frontiers of optoelectronics - Higher Education Press, 2012, 17(2024), 1 vom: 26. Sept.
Übergeordnetes Werk:	volume:17 ; year:2024 ; number:1 ; day:26 ; month:09

Links:	Volltext

DOI / URN:	10.1007/s12200-024-00136-0

Katalog-ID:	SPR057477639

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520			\|a Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract
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allfields	10.1007/s12200-024-00136-0 doi (DE-627)SPR057477639 (SPR)s12200-024-00136-0-e DE-627 ger DE-627 rakwb eng 620 VZ 530 VZ Song, Zihao verfasserin aut Quantitative modeling of perovskite-based direct X-ray flat panel detectors 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213 Wang, Gaozhu verfasserin aut Pang, Jincong verfasserin aut Zheng, Zhiping verfasserin aut Xu, Ling verfasserin aut Zhou, Ying verfasserin aut Niu, Guangda verfasserin aut Tang, Jiang verfasserin aut Enthalten in Frontiers of optoelectronics Higher Education Press, 2012 17(2024), 1 vom: 26. Sept. Online-Ressource (DE-627)718611446 (DE-600)2660533-8 (DE-576)433374136 2095-2767 nnns volume:17 year:2024 number:1 day:26 month:09 https://dx.doi.org/10.1007/s12200-024-00136-0 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2050 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2472 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2024 1 26 09
spelling	10.1007/s12200-024-00136-0 doi (DE-627)SPR057477639 (SPR)s12200-024-00136-0-e DE-627 ger DE-627 rakwb eng 620 VZ 530 VZ Song, Zihao verfasserin aut Quantitative modeling of perovskite-based direct X-ray flat panel detectors 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213 Wang, Gaozhu verfasserin aut Pang, Jincong verfasserin aut Zheng, Zhiping verfasserin aut Xu, Ling verfasserin aut Zhou, Ying verfasserin aut Niu, Guangda verfasserin aut Tang, Jiang verfasserin aut Enthalten in Frontiers of optoelectronics Higher Education Press, 2012 17(2024), 1 vom: 26. Sept. Online-Ressource (DE-627)718611446 (DE-600)2660533-8 (DE-576)433374136 2095-2767 nnns volume:17 year:2024 number:1 day:26 month:09 https://dx.doi.org/10.1007/s12200-024-00136-0 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2050 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2472 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2024 1 26 09
allfields_unstemmed	10.1007/s12200-024-00136-0 doi (DE-627)SPR057477639 (SPR)s12200-024-00136-0-e DE-627 ger DE-627 rakwb eng 620 VZ 530 VZ Song, Zihao verfasserin aut Quantitative modeling of perovskite-based direct X-ray flat panel detectors 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213 Wang, Gaozhu verfasserin aut Pang, Jincong verfasserin aut Zheng, Zhiping verfasserin aut Xu, Ling verfasserin aut Zhou, Ying verfasserin aut Niu, Guangda verfasserin aut Tang, Jiang verfasserin aut Enthalten in Frontiers of optoelectronics Higher Education Press, 2012 17(2024), 1 vom: 26. Sept. Online-Ressource (DE-627)718611446 (DE-600)2660533-8 (DE-576)433374136 2095-2767 nnns volume:17 year:2024 number:1 day:26 month:09 https://dx.doi.org/10.1007/s12200-024-00136-0 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2050 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2472 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2024 1 26 09
allfieldsGer	10.1007/s12200-024-00136-0 doi (DE-627)SPR057477639 (SPR)s12200-024-00136-0-e DE-627 ger DE-627 rakwb eng 620 VZ 530 VZ Song, Zihao verfasserin aut Quantitative modeling of perovskite-based direct X-ray flat panel detectors 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213 Wang, Gaozhu verfasserin aut Pang, Jincong verfasserin aut Zheng, Zhiping verfasserin aut Xu, Ling verfasserin aut Zhou, Ying verfasserin aut Niu, Guangda verfasserin aut Tang, Jiang verfasserin aut Enthalten in Frontiers of optoelectronics Higher Education Press, 2012 17(2024), 1 vom: 26. Sept. Online-Ressource (DE-627)718611446 (DE-600)2660533-8 (DE-576)433374136 2095-2767 nnns volume:17 year:2024 number:1 day:26 month:09 https://dx.doi.org/10.1007/s12200-024-00136-0 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2050 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2472 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2024 1 26 09
allfieldsSound	10.1007/s12200-024-00136-0 doi (DE-627)SPR057477639 (SPR)s12200-024-00136-0-e DE-627 ger DE-627 rakwb eng 620 VZ 530 VZ Song, Zihao verfasserin aut Quantitative modeling of perovskite-based direct X-ray flat panel detectors 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2024 Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213 Wang, Gaozhu verfasserin aut Pang, Jincong verfasserin aut Zheng, Zhiping verfasserin aut Xu, Ling verfasserin aut Zhou, Ying verfasserin aut Niu, Guangda verfasserin aut Tang, Jiang verfasserin aut Enthalten in Frontiers of optoelectronics Higher Education Press, 2012 17(2024), 1 vom: 26. Sept. Online-Ressource (DE-627)718611446 (DE-600)2660533-8 (DE-576)433374136 2095-2767 nnns volume:17 year:2024 number:1 day:26 month:09 https://dx.doi.org/10.1007/s12200-024-00136-0 X:SPRINGER Resolving-System kostenfrei Volltext SYSFLAG_0 GBV_SPRINGER GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2050 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2472 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2024 1 26 09
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source	Enthalten in Frontiers of optoelectronics 17(2024), 1 vom: 26. Sept. volume:17 year:2024 number:1 day:26 month:09
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author	Song, Zihao
spellingShingle	Song, Zihao ddc 620 ddc 530 misc DQE misc X-ray misc Detector misc Perovskite Quantitative modeling of perovskite-based direct X-ray flat panel detectors
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topic_title	620 VZ 530 VZ Quantitative modeling of perovskite-based direct X-ray flat panel detectors DQE (dpeaa)DE-He213 X-ray (dpeaa)DE-He213 Detector (dpeaa)DE-He213 Perovskite (dpeaa)DE-He213
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title	Quantitative modeling of perovskite-based direct X-ray flat panel detectors
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title_full	Quantitative modeling of perovskite-based direct X-ray flat panel detectors
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author_browse	Song, Zihao Wang, Gaozhu Pang, Jincong Zheng, Zhiping Xu, Ling Zhou, Ying Niu, Guangda Tang, Jiang
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title_sort	quantitative modeling of perovskite-based direct x-ray flat panel detectors
title_auth	Quantitative modeling of perovskite-based direct X-ray flat panel detectors
abstract	Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract © The Author(s) 2024
abstractGer	Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract © The Author(s) 2024
abstract_unstemmed	Abstract Direct X-ray detectors based on semiconductors have drawn great attention from researchers in the pursuing of higher imaging quality. However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. Graphical Abstract © The Author(s) 2024
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title_short	Quantitative modeling of perovskite-based direct X-ray flat panel detectors
url	https://dx.doi.org/10.1007/s12200-024-00136-0
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author2	Wang, Gaozhu Pang, Jincong Zheng, Zhiping Xu, Ling Zhou, Ying Niu, Guangda Tang, Jiang
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doi_str	10.1007/s12200-024-00136-0
up_date	2024-09-27T04:49:52.673Z
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However, many previous works focused on the optimization of detection performances but seldomly watch them in an overall view and analyze how they will influence the detective quantum efficiency (DQE) value. Here, we propose a numerical model which shows the quantitative relationship between DQE and the properties of X-ray detectors and electric circuits. Our results point out that pursuing high sensitivity only is meaningless. To reduce the medical X-ray dose by 80%, the requirement for X-ray sensitivity is only at a magnitude of $ 10^{3} $ $ μCGy^{−1} $⋅$ cm^{−2} $. To achieve the DQE = 0.7 at X-ray sensitivity air from 1248 to 8171 $ μCGy^{−1} $air⋅$ cm^{−2} $, the requirements on dark current density ranges from 10 to 100 nA⋅$ cm^{−2} $ and the fluctuation of current density should fall in 0.21 to 1.37 nA⋅$ cm^{−2} $. 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