DICP OpenIR
Large-Scale Ligand-Free Synthesis of Homogeneous Core-Shell Quantum-Dot-Modified Cs4PbBr6 Microcrystals
Wei, Xiangfeng1; Liu, Jiehua1,4; Liu, Han1; Le, Xunyong2; Qian, Haisheng1; Zeng, Hualing2; Meng, Fancheng1; Deng, Weiqiao3
Corresponding AuthorLiu, Jiehua(liujh@hfut.edu.cn)
Source PublicationINORGANIC CHEMISTRY
2019-08-19
ISSN0020-1669
DOI10.1021/acs.inorgchem.9b01980
Volume58Issue:16Pages:10620-10624
Funding ProjectNational 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]
Funding OrganizationNational 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
WOS SubjectChemistry, Inorganic & Nuclear
WOS Research AreaChemistry
WOS KeywordPEROVSKITE NANOCRYSTALS ; OPTICAL-PROPERTIES ; ANION-EXCHANGE ; TRANSFORMATION ; BR ; CL ; PHOTOLUMINESCENCE ; LUMINESCENCE ; MICRODISKS ; CSPBX3
AbstractAn 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.
Language英语
Funding OrganizationNational 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
WOS IDWOS:000482173300021
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/173215
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu, Jiehua
Affiliation1.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
Recommended Citation
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.
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