Abstract
The MAPbBr3perovskite was synthesized, and X-ray diffraction proves that the MAPbBr3perovskite is a single crystal. MAPbBr3/polymethyl methacrylate (PMMA) organic glasses were fabricated. The MAPbBr3single crystal shows strong UV-visible absorption and weak transmittance. Compared with the MAPbBr3single crystal, MAPbBr3/PMMA organic glasses show suitable UV-visible absorption and transmittance and enhanced UV-visible absorption stability. The nonlinear optical measurement of MAPbBr3/PMMA was performed. An obviously reverse saturable absorption is observed. The nonlinear absorption coefficient is as high as 3.8 m/GW. This large nonlinear absorption coefficient is competitive compared with that of perovskite materials. Besides, the nonlinear absorption stability of MAPbBr3/PMMA is also studied. Both the UV-visible absorption and nonlinear absorption over time prove the excellent stability of MAPbBr3/PMMA. The superior nonlinear refraction property of MAPbBr3/PMMA is also performed. The excellent reverse saturable absorption property and the nonlinear refraction property of MAPbBr3/PMMA result in superior optical limiting characteristics. This work implied that MAPbBr3/PMMA may be applied for future optical limiting devices.
Original language | English |
---|---|
Pages (from-to) | 5743-5750 |
Number of pages | 8 |
Journal | Journal of Physical Chemistry C |
Volume | 126 |
Issue number | 12 |
DOIs | |
Publication status | Published - 31 Mar 2022 |
Externally published | Yes |