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    Journals >Journal of Semiconductors >Volume 41 >Issue 5 >Page 052204 > Article
    • Journal of Semiconductors
    • Vol. 41, Issue 5, 052204 (2020)
    Light-emitting diodes based on all-inorganic copper halide perovskite with self-trapped excitons
    Nian Liu, Xue Zhao, Mengling Xia, Guangda Niu..., Qingxun Guo, Liang Gao and Jiang Tang|Show fewer author(s)
    Author Affiliations
  • Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
    • show less
    DOI: 10.1088/1674-4926/41/5/052204 Cite this Article
    Nian Liu, Xue Zhao, Mengling Xia, Guangda Niu, Qingxun Guo, Liang Gao, Jiang Tang. Light-emitting diodes based on all-inorganic copper halide perovskite with self-trapped excitons[J]. Journal of Semiconductors, 2020, 41(5): 052204 Copy Citation Text show less
    (Color online) (a) Optical images of synthesized CsCu2I3 powder under natural light and excited by ultraviolet light. (b) PLQY of the CsCu2I3 powder.
    Fig. 1. (Color online) (a) Optical images of synthesized CsCu2I3 powder under natural light and excited by ultraviolet light. (b) PLQY of the CsCu2I3 powder.
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    (Color online) (a) XRD patterns of the CsCu2I3 film and powder. (b) Schematic of CsCu2I3 crystal structure. (c) PLE and PL spectra of the CsCu2I3 film. (d) Schematic of the energy level structure of STE.
    Fig. 2. (Color online) (a) XRD patterns of the CsCu2I3 film and powder. (b) Schematic of CsCu2I3 crystal structure. (c) PLE and PL spectra of the CsCu2I3 film. (d) Schematic of the energy level structure of STE.
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    (Color online) (a) Structure of CsCu2I3 Pe-LED. (b) Schematic of VBD for CsCu2I3 film. (c) SEM image of CsCu2I3 film. (d) Energy level diagram of CsCu2I3 device.
    Fig. 3. (Color online) (a) Structure of CsCu2I3 Pe-LED. (b) Schematic of VBD for CsCu2I3 film. (c) SEM image of CsCu2I3 film. (d) Energy level diagram of CsCu2I3 device.
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    (Color online) (a) Current density–voltage (J–V) and luminance–voltage (L–V) curves of the CsCu2I3 Pe-LED. (b) EQE curve of the CsCu2I3 Pe-LED. (c) The CIE color coordinate of the CsCu2I3 PeLED.
    Fig. 4. (Color online) (a) Current density–voltage (J–V) and luminance–voltage (L–V) curves of the CsCu2I3 Pe-LED. (b) EQE curve of the CsCu2I3 Pe-LED. (c) The CIE color coordinate of the CsCu2I3 PeLED.
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    Nian Liu, Xue Zhao, Mengling Xia, Guangda Niu, Qingxun Guo, Liang Gao, Jiang Tang. Light-emitting diodes based on all-inorganic copper halide perovskite with self-trapped excitons[J]. Journal of Semiconductors, 2020, 41(5): 052204
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