High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method

Abstract Lead halide perovskites have shown high performance in radiation detection techniques owing to their excellent optoelectronic properties and stability. However, the high resistivity of the CsPbBr3 radiation detector is intensively dependent on the growth quality of the single crystal, which...

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Main Authors: Xuebao Zhang, Qingbo Wang, Ying Gao, Junying Zhang, Youpeng Wu, Peijie Ma, Lin Ma, Jianing Cai, Fenglei Niu, Qiang Zhao, Yunchao Tang, Junwei Bian, Chenming Liang, Chunxia Shen, Zeqian Wu, Fang Liu, Zhiling Hou, Jinxing Cheng
Format: Article
Language:English
Published: Wiley-VCH 2025-07-01
Series:Advanced Electronic Materials
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Online Access:https://doi.org/10.1002/aelm.202400972
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author Xuebao Zhang
Qingbo Wang
Ying Gao
Junying Zhang
Youpeng Wu
Peijie Ma
Lin Ma
Jianing Cai
Fenglei Niu
Qiang Zhao
Yunchao Tang
Junwei Bian
Chenming Liang
Chunxia Shen
Zeqian Wu
Fang Liu
Zhiling Hou
Jinxing Cheng
author_facet Xuebao Zhang
Qingbo Wang
Ying Gao
Junying Zhang
Youpeng Wu
Peijie Ma
Lin Ma
Jianing Cai
Fenglei Niu
Qiang Zhao
Yunchao Tang
Junwei Bian
Chenming Liang
Chunxia Shen
Zeqian Wu
Fang Liu
Zhiling Hou
Jinxing Cheng
author_sort Xuebao Zhang
collection DOAJ
description Abstract Lead halide perovskites have shown high performance in radiation detection techniques owing to their excellent optoelectronic properties and stability. However, the high resistivity of the CsPbBr3 radiation detector is intensively dependent on the growth quality of the single crystal, which is closely related to temperature gradients or the introduction of additives. Herein, a CsPbBr3 single crystal with high radiation performance is grown based on the proposed temperature‐concentration balance (TCB) method. The prepared perfect single crystal remains high quality in repeated experiments, which belongs to the Pnma space group, benefiting from the effective growth method. Based on the CsPbBr3 single crystal, the fabricated detector with the asymmetrical Au‐In electrodes demonstrates outstanding linearity under reverse bias. It exhibits a lower dark current (2.66 × 10−2 nA) and high resistivity, which helps acquire a broader radiation measurement range. Moreover, the emission spectrum of the CsPbBr3 single crystals exhibits a sharp emission peak at 527 nm and narrower full width at half maximum, making crystals easily couple into radiation detectors. These findings provide insight into the growth and regulation of CsPbBr3 crystal for more extensive applications in radiation detection in the future.
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issn 2199-160X
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publisher Wiley-VCH
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series Advanced Electronic Materials
spelling doaj-art-0ec57c5134744c738540e46ab4f8d7612025-08-20T02:39:58ZengWiley-VCHAdvanced Electronic Materials2199-160X2025-07-011111n/an/a10.1002/aelm.202400972High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance MethodXuebao Zhang0Qingbo Wang1Ying Gao2Junying Zhang3Youpeng Wu4Peijie Ma5Lin Ma6Jianing Cai7Fenglei Niu8Qiang Zhao9Yunchao Tang10Junwei Bian11Chenming Liang12Chunxia Shen13Zeqian Wu14Fang Liu15Zhiling Hou16Jinxing Cheng17Institute of NBC Ddednce No. 1 Yongfang Town Central North Street, Changping District Beijing ChinaInstitute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 ChinaInstitute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 ChinaSchool of Physics and Optoelectronic Engineering Beijing University of Technology Beijing 100124 ChinaInstitute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 ChinaCollege of Materials Science and Engineering Beijing University of Technology Beijing 100124 ChinaCollege of Materials Science and Engineering Beijing University of Technology Beijing 100124 ChinaSchool of Physics and Optoelectronic Engineering Beijing University of Technology Beijing 100124 ChinaBeijing Key Laboratory of Passive Safety Technology for Nuclear Energy School of Nuclear Science and Engineering North China Electric Power University Beijing 102206 ChinaBeijing Key Laboratory of Passive Safety Technology for Nuclear Energy School of Nuclear Science and Engineering North China Electric Power University Beijing 102206 ChinaBeijing Key Laboratory of Passive Safety Technology for Nuclear Energy School of Nuclear Science and Engineering North China Electric Power University Beijing 102206 ChinaBeijing Key Laboratory of Passive Safety Technology for Nuclear Energy School of Nuclear Science and Engineering North China Electric Power University Beijing 102206 ChinaSchool of Chemistry Beihang University Beijing 100191 ChinaInstitute of NBC Ddednce No. 1 Yongfang Town Central North Street, Changping District Beijing ChinaInstitute of NBC Ddednce No. 1 Yongfang Town Central North Street, Changping District Beijing ChinaBeijing Key Laboratory of Passive Safety Technology for Nuclear Energy School of Nuclear Science and Engineering North China Electric Power University Beijing 102206 ChinaSchool of Physics and Optoelectronic Engineering Beijing University of Technology Beijing 100124 ChinaInstitute of Nuclear and New Energy Technology Tsinghua University Beijing 100084 ChinaAbstract Lead halide perovskites have shown high performance in radiation detection techniques owing to their excellent optoelectronic properties and stability. However, the high resistivity of the CsPbBr3 radiation detector is intensively dependent on the growth quality of the single crystal, which is closely related to temperature gradients or the introduction of additives. Herein, a CsPbBr3 single crystal with high radiation performance is grown based on the proposed temperature‐concentration balance (TCB) method. The prepared perfect single crystal remains high quality in repeated experiments, which belongs to the Pnma space group, benefiting from the effective growth method. Based on the CsPbBr3 single crystal, the fabricated detector with the asymmetrical Au‐In electrodes demonstrates outstanding linearity under reverse bias. It exhibits a lower dark current (2.66 × 10−2 nA) and high resistivity, which helps acquire a broader radiation measurement range. Moreover, the emission spectrum of the CsPbBr3 single crystals exhibits a sharp emission peak at 527 nm and narrower full width at half maximum, making crystals easily couple into radiation detectors. These findings provide insight into the growth and regulation of CsPbBr3 crystal for more extensive applications in radiation detection in the future.https://doi.org/10.1002/aelm.202400972CsPbBr3radiation detectorsingle crystal growthtemperature‐concentration balance
spellingShingle Xuebao Zhang
Qingbo Wang
Ying Gao
Junying Zhang
Youpeng Wu
Peijie Ma
Lin Ma
Jianing Cai
Fenglei Niu
Qiang Zhao
Yunchao Tang
Junwei Bian
Chenming Liang
Chunxia Shen
Zeqian Wu
Fang Liu
Zhiling Hou
Jinxing Cheng
High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
Advanced Electronic Materials
CsPbBr3
radiation detector
single crystal growth
temperature‐concentration balance
title High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
title_full High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
title_fullStr High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
title_full_unstemmed High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
title_short High Resistivity of Single Crystal CsPbBr3 Semiconductor for Radiation Detection via Proposed Temperature‐Concentration Balance Method
title_sort high resistivity of single crystal cspbbr3 semiconductor for radiation detection via proposed temperature concentration balance method
topic CsPbBr3
radiation detector
single crystal growth
temperature‐concentration balance
url https://doi.org/10.1002/aelm.202400972
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