Strong Nonlinear-Optical Response in the Pyrophosphate CsLiCdPO with a Short Cutoff Edge.
作者信息
Shen Yaoguo, Zhao Sangen, Zhao Bingqing, Ji Chengmin, Li Lina, Sun Zhihua, Hong Maochun, Luo Junhua
机构信息
Key Laboratory of Optoelectronic Materials Chemistry and Physics and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences , Fuzhou, Fujian 350002, China.
University of Chinese Academy of Sciences , Beijing 100049, China.
出版信息
Inorg Chem. 2016 Nov 21;55(22):11626-11629. doi: 10.1021/acs.inorgchem.6b02278. Epub 2016 Oct 31.
A high efficiency of laser-light conversion and short cutoff edge is essential to an ultraviolet (UV) nonlinear-optical (NLO) material. Previous researches on phosphates were mainly centered on alkali-metal or alkali-earth-metal phosphate systems, resulting in relatively weak NLO responses. Through the introduction of transition-metal cadmium and alkali-metal cesium elements with large radii into the phosphate system, a new UV NLO pyrophosphate, CsLiCdPO, has been synthesized. It exhibits a high second-harmonic-generation (SHG) efficiency of 1.5KHPO and is transparent down to 200 nm. This work provides a new path for the design of UV NLO materials with high SHG efficiencies and short cutoff edges by introducing a transition metal with a d electron configuration and an alkali metal with a large radius into phosphate systems.
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