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2(C3H7N6)+·2Cl-·H2O: an ultraviolet nonlinear optical crystal with large birefrigence and strong second-harmonic
Lehui Liu1, Chun-Li Hu, Zhiyong Bai
1Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China. lzb@fjirsm.ac.cn.
Chemical Communications (Cambridge, England)
|November 6, 2020
Abstract:
Large birefringence (Δn = 0.277 at 546 nm) and strong second-harmonic generation (SHG) intensity (4.3 × KDP) achieved a remarkable balance in a potential ultraviolet nonlinear optical crystal: 2(C3H7N6)+·2Cl-·H2O. Theoretical calculations showed that planar benzene-like π-conjugated [C3N6] groups had important optical properties.
