期刊
DALTON TRANSACTIONS
卷 48, 期 40, 页码 15144-15150出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9dt03233a
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资金
- National Natural Science Foundation of China [21875146]
- Fundamental Research Funds for the Central Universities [YJ201921]
A novel antimony fluoride nitrate, Rb3SbF3(NO3)(3), fabricated by a rational multi-component design, has been successfully synthesized by a rapid evaporation concentration method. This title compound crystallizes in a polar noncentrosymmetric (NCS) space group (P2(1)) and presents a complicated three-dimensional (3D) network composed of SbO3F3, Rb-centered distorted polyhedra and p-conjugated planar triangular NO3 groups. Rb3SbF3(NO3)(3) is a potential UV nonlinear optical material due to its large phasematchable second harmonic generation (SHG) response of approximately 2.2 times that of KH2PO4 (KDP) and a wide band gap of 3.75 eV. Theoretical calculation analysis was used to rationalize the large SHG effect, which originates from the multi-component synergistic effect including moderately polarizable Rb+ cations, a stereochemically active lone pair effect of Sb3+ and NO3 groups with a p-conjugated planar triangular structure.
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