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Large-Scale Ligand-Free Synthesis of Homogeneous Core-Shell Quantum-Dot-Modified Cs4PbBr6 Microcrystals

文献类型：期刊论文

作者Wei, Xiangfeng1; Liu, Jiehua1,4; Liu, Han1; Le, Xunyong2; Qian, Haisheng1; Zeng, Hualing2; Meng, Fancheng1; Deng, Weiqiao3
刊名INORGANIC CHEMISTRY
出版日期2019-08-19
卷号58期号:16页码:10620-10624
ISSN号0020-1669
DOI10.1021/acs.inorgchem.9b01980
通讯作者Liu, Jiehua(liujh@hfut.edu.cn)
英文摘要An organic ligand-free solution method is developed for preparing homogeneous core shell quantum-dot (QD)-modified pure Cs4PbBr6 microcrystals on a large scale (similar to 12 g) at room temperature. The ligand-free Cs4PbBr6 microcrystals show a high green photoluminescence quantum yield of 76% with 360 nm of excitation light, which is attributed to their unique microarchitecture, with several features including quantum confinement of the outer QDs, stability of the inner Cs4PbBr6 microcrystals, improved light trapping, and interfacial recombination. UV-vis-near-IR and photoluminescence analyses provide valued evidence to support the ligand-free Cs4PbBr6 with synergy between the QDs and microcrystals.
WOS关键词PEROVSKITE NANOCRYSTALS ; OPTICAL-PROPERTIES ; ANION-EXCHANGE ; TRANSFORMATION ; BR ; CL ; PHOTOLUMINESCENCE ; LUMINESCENCE ; MICRODISKS ; CSPBX3
资助项目National Natural Science Foundation of China[U1832136] ; National Natural Science Foundation of China[21303038] ; Fundamental Research Fund for the Central Universities[WK2340000082] ; Fundamental Research Fund for the Central Universities[JZ2016HGTA0690]
WOS研究方向Chemistry
语种英语
WOS记录号WOS:000482173300021
出版者AMER CHEMICAL SOC
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Fund for the Central Universities ; Fundamental Research Fund for the Central Universities
源URL[http://cas-ir.dicp.ac.cn/handle/321008/173214]  
专题大连化学物理研究所_中国科学院大连化学物理研究所
通讯作者Liu, Jiehua
作者单位1.Hefei Univ Technol, Sch Food & Biol Engn, Sch Mat Sci & Engn, Future Energy Lab, Hefei 230009, Anhui, Peoples R China
2.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Key Lab Adv Funct Mat & Devices Anhui Prov, Hefei 230009, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Wei, Xiangfeng,Liu, Jiehua,Liu, Han,et al. Large-Scale Ligand-Free Synthesis of Homogeneous Core-Shell Quantum-Dot-Modified Cs4PbBr6 Microcrystals[J]. INORGANIC CHEMISTRY,2019,58(16):10620-10624.
APA Wei, Xiangfeng.,Liu, Jiehua.,Liu, Han.,Le, Xunyong.,Qian, Haisheng.,...&Deng, Weiqiao.(2019).Large-Scale Ligand-Free Synthesis of Homogeneous Core-Shell Quantum-Dot-Modified Cs4PbBr6 Microcrystals.INORGANIC CHEMISTRY,58(16),10620-10624.
MLA Wei, Xiangfeng,et al."Large-Scale Ligand-Free Synthesis of Homogeneous Core-Shell Quantum-Dot-Modified Cs4PbBr6 Microcrystals".INORGANIC CHEMISTRY 58.16(2019):10620-10624.

入库方式： OAI收割

来源：大连化学物理研究所

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