CsPbBr3-DMSO merged perovskite micro-bricks for efficient X-ray detection

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成果类型：

期刊论文

作者：

Shi, Tongyu;Liu, Wenjun;Zhu, Jiongtao;Fan, Xiongsheng;Zhang, Zhengyu;...

作者机构：

[He, Rui; Zhang, Zhengyu; Fan, Xiongsheng; Yu, Xue-Feng; Zhu, Jiongtao; He, Xingchen; Ge, Yongshuai; Liu, Yanliang; Liu, Wenjun; Chen, Kezhen; Shi, Tongyu; Wang, Jiahong] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China.

[Yu, Xue-Feng; Ge, Yongshuai; Liu, Yanliang; Chen, Kezhen; Shi, Tongyu; Wang, Jiahong] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

[Liu, Wenjun] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China.

[Sun, Xiangming] Cent China Normal Univ, Key Lab Quark & Lepton Phys, MOE, Wuhan 430079, Peoples R China.

[Chu, Paul K.] City Univ Hong Kong, Dept Phys, Dept Mat Sci & Engn, Hong Kong 999077, Peoples R China.

语种：

英文

关键词：

Brick;Bromine compounds;Cesium iodide;Conversion efficiency;Crystallinity;Grain boundaries;Lead compounds;Nanocrystals;Organic solvents;Perovskite;Brick powders;Cspbbr3-dimethyl sulphoxide;Cubic shape;Good stability;Inorganic perovskite wafer;Inorganics;Small charges;Synthetic temperature;X-ray detections;X-ray detector;X ray detectors

期刊：

纳米研究：英文版

ISSN：

1998-0124

年：

2023

卷：

期：

页码：

9983-9989

DOI：

10.1007/s12274-023-5487-3

基金类别：

This work was financially supported by the National Natural Science Foundation of China (Nos. 21975280, 62004091, and 12235006), the Shenzhen Excellent Science and Technology Innovation Talent Training Project — Outstanding Youth Project (No. RCJC20200714114435061), the Shenzhen Basic Research Program (No. JCYJ20200109115212546), the Chinese Academy of Sciences Special Research Assistant Project (Nos. Y95909 and E15907), the Chinese Academy of Sciences Excellent Youth Innovation Fund grade B (No. E2G0161001), the Youth Innovation Promotion Association Chinese Academy of Sciences (No. 2020354), the Hong Kong ITC (Innovation and Technology Commission) ITF (Innovation and Technology Fund) (Nos. GHP/149/20SZ and CityU 9440296), and the City University of Hong Kong Donation Research Grant (DON-RMG No. 9229021).

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本校为其他机构

院系归属：

物理科学与技术学院

摘要：

Inorganic perovskite wafers with good stability and adjustable sizes are promising in X-ray detection but the high synthetic temperature is a hindrance. Herein, dimethyl sulfoxide (DMSO) is used to prepare the CsPbBr3 micro-bricks powder at room temperature. The CsPbBr3 powder has a cubic shape with few crystal defects, small charge trap density, and high crystallinity. A trace amount of DMSO attaches to the surface of the CsPbBr3 micro-bricks via Pb-O bonding, forming the CsPbBr3-DMSO adduct. During hot isostatic processing, the released DMSO ...

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