• Optical Instruments
  • Vol. 46, Issue 5, 40 (2024)
Liyun XU and Gongjie XU*
Author Affiliations
  • School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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    DOI: 10.3969/j.issn.1005-5630.202303280077 Cite this Article
    Liyun XU, Gongjie XU. The 465 nm light emission based on all-inorganic perovskite quantum dots[J]. Optical Instruments, 2024, 46(5): 40 Copy Citation Text show less
    The schematic process of preparation for blue-emitting all-inorganic perovskite CsPbX3 QDs
    Fig. 1. The schematic process of preparation for blue-emitting all-inorganic perovskite CsPbX3 QDs
    Optical properties of perovskite QDs CsPb(BrxCl1-x)3 with different halogen ratios
    Fig. 2. Optical properties of perovskite QDs CsPb(BrxCl1-x)3 with different halogen ratios
    Optical properties of CsPb(BrxCl1-x)3 QDs prepared by ion-exchange method
    Fig. 3. Optical properties of CsPb(BrxCl1-x)3 QDs prepared by ion-exchange method
    Optical properties of CsPbBr3 nanoplatelet with multi-layers of octahedron
    Fig. 4. Optical properties of CsPbBr3 nanoplatelet with multi-layers of octahedron
    Comparison of optical properties of blue-emitting all-inorganic perovskite CsPbX3 QDs near 465 nm
    Fig. 5. Comparison of optical properties of blue-emitting all-inorganic perovskite CsPbX3 QDs near 465 nm
    样品编号量子点化学式PbCl2用量PbBr2用量OA用量/mLOAm用量/mL
    mmolmgmmolmg
    A1CsPbCl2.25Br0.750.14139.20.04717.21.251.25
    A2CsPbCl1.5Br1.50.09426.10.09434.51.001.00
    A3CsPbCl0.75Br2.250.04713.10.14151.70.750.75
    A4CsPbBr3000.18869.00.500.50
    Table 1. The dosage of raw materials for CsPb(BrxCl1-x3 quantum dots with different halides
    样品编号PbCl2离子源用量/mL
    B10.00
    B20.20
    B30.50
    B41.00
    Table 2. The dosage of PbCl2 for blue-emitting perovskite QDs using ion-exchange method
    样品编号八面体层数PbBr2前驱体用量/mLCsOA前驱体用量/μL丙酮用量/mL
    C121.50751.00
    C231.501502.00
    C341.201502.00
    Table 3. The dosage of precursors for perovskites with different octahedral layers