首页|Investigation of nonlinear optical properties in hybrid perovskite thin film modified by UiO-66-NH2 metal organic framework
Investigation of nonlinear optical properties in hybrid perovskite thin film modified by UiO-66-NH2 metal organic framework
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NETL
NSTL
Elsevier
This study examines the linear and nonlinear optical (NLO) properties and thermo-optical aspects of CH3NH3PbI3 (MAPbI3) and MAPbI3 + MOF(UiO-66-NH2), a metal-organic framework (MOF) which are synthesized in the form of a thin layer and characterized by the Z-scan method in various incident powers. The incorporation of the MOF has resulted in increased grain size and crystallinity, while the improvement in both slow and fast decay lifetimes suggest a reduction the defects on the MAPbI3 + MOF surface. The results obtained from the nonlinear behavior show the phenomenon self-focusing behavior and a substantial enhancement in MAPbI3 + MOF thin films relative to MAPbI3 films, primarily attributed to saturable absorption (SA). Furthermore, the parameters measured in the nonlinear refraction index (NLR, n2) and the nonlinear absorption coefficient (NLA, beta) of the MAPbI3 thin film increase with the incorporation of MOF and as the input laser power rises from 10 mW to 50 mW. The enhancement of laser intensity, coupled with the integration of metal-organic frameworks (MOFs) within the perovskite material, has significantly improved the figure of merit (FOM) parameter. This study thus underscores the potential of using MAPbI3 combined with UiO-66-NH2 across a wide array of optoelectronic applications, including Q-switching, demonstrating exceptional NLO properties at reduced incident power levels.
NETL
NSTL
Elsevier
