Infrared and Laser Engineering, Volume. 51, Issue 7, 20220211(2022)

Tuning the optical properties of chiral two-dimensional perovskites by high pressure

Shuai Zhao and Shenyu Dai
Author Affiliations
  • Department of Photoelectric Technology, Jihua Laboratory, Foshan 528200, China
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    Figures & Tables(7)
    (a) Photograph of diamond anvil cell; (b) Micrograph of high pressure cavity; (c) Schematic diagram of high pressure microscopy spectral measurements
    (a) Crystal structure of R- and S-ClPEA2PbI4; (b) XRD results of R-ClPEA2PbI4, S-ClPEA2PbI4 and rac-ClPEA2PbI4
    (a), (b) PL spectra of S-ClPEA2PbI4 and rac-ClPEA2PbI4 under different pressure; (c) PL peak position versus pressure; (d) CIE diagram of S-ClPEA2PbI4 and rac-ClPEA2PbI4
    Absorbance spectra of (a) S-ClPEA2PbI4 and (b) rac-ClPEA2PbI4 under different pressure; (c) In situ micrograph of rac-ClPEA2PbI4 under different pressure
    (a) In situ high pressure Raman spectra of S-ClPEA2PbI4; (b) Position of typical peaks changes as the pressure
    Configurational coordinate model of chiral perovskites luminescence mechanism regulated by high pressure. FE-free exciton state, GS-ground state, Traps-trap states
    (a) SHG signal of S-ClPEA2PbI4 crystal under different pressure; (b) Integrated intensity of SHG versus pressure
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    Shuai Zhao, Shenyu Dai. Tuning the optical properties of chiral two-dimensional perovskites by high pressure[J]. Infrared and Laser Engineering, 2022, 51(7): 20220211

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    Paper Information

    Category: Materials & Thin films

    Received: Mar. 22, 2022

    Accepted: --

    Published Online: Dec. 20, 2022

    The Author Email:

    DOI:10.3788/IRLA20220211

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