From Pb6(HPO3)(H2PO3)Cl9 to Pb6(HPO3)2Br8(H2O)•H2O: Halogen Regulation to Achieve Inorganic Metal Phosphite Halide Nonlinear Optical Material with Unprecedented Pb-Centered Polyhedral Units

被引:5
作者
Tang, Ru-Ling [1 ]
Ma, Liang [1 ]
Lv, Yi-Lei [1 ]
Liu, Wenlong [1 ]
Guo, Sheng-Ping [1 ]
机构
[1] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
LARGE 2ND-HARMONIC GENERATION;
D O I
10.1021/acs.inorgchem.4c02401
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Nonlinear optical (NLO) crystals are widely used in various fields. The introduction of lone-pair cations is regarded as an effective strategy to explore NLO crystals. In this work, two novel lead phosphite halides, centrosymmetric Pb-6(HPO3)(H2PO3)Cl-9 and noncentrosymmetric Pb-6(HPO3)(2)Br-8(H2O)center dot H2O, were obtained via a hydrothermal method. Pb-6(HPO3)(H2PO3)Cl-9 is the first reported lone-pair metal phosphite with two kinds of phosphite groups (HPO32- and H2PO3-) and Pb-6(HPO3)(2)Br-8(H2O)center dot H2O is the first inorganic NLO phosphite halide with a phase-matchable SHG effect of 1.02 x KDP. In addition, the Pb-centered polyhedral units of PbOCl4, PbOCl6, PbO2Cl5, PbO2Br5, PbOBr6, and PbO3(H2O)Br-3 in these two structures have never been reported before. An in-depth study on the structure-property relationship of the two compounds with halogen substitution is also performed.
引用
收藏
页码:13197 / 13201
页数:5
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