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RbSbSO4Cl2: An Excellent Sulfate Nonlinear Optical Material Generated from Synergistic Effect of Three Asymmetric Chromophores

Abstract

Sulfates have long been ignored as nonlinear optical materials in the past few decades. Here a new sulfate nonlinear optical material, RbSbSO4Cl2, has been prepared through a facile hydrothermal synthetic route. The title compound crystallizes in the polar noncentrosymmetric (NCS) space group of P212121 and exhibites an intricate three-dimensional network constructed of interconnecting RbO5Cl4, SbO3Cl2 distorted polyhedra and SO4 tetrahedron. The powder second-harmonic generation (SHG) measurements display that RbSbSO4Cl2 presents a strong SHG response of about 2.7 times that of KH2PO4 (KDP) and is Type I phase-matchable. Theoretical calculation analysis confirmed that the large SHG effect originating from the synergistic effect of three coexisting NCS chromophores including SCALP effect of Sb3+, highly polarizable Rb+ cations and SO4 distorted tetrahedron.

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Publication details

The article was received on 05 Mar 2019, accepted on 08 Apr 2019 and first published on 08 Apr 2019


Article type: Paper
DOI: 10.1039/C9TC01249D
Citation: J. Mater. Chem. C, 2019, Accepted Manuscript

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    RbSbSO4Cl2: An Excellent Sulfate Nonlinear Optical Material Generated from Synergistic Effect of Three Asymmetric Chromophores

    F. He, Y. deng, X. zhao, L. Huang, D. Gao, J. Bi, X. Wang and G. Zou, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC01249D

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