Pb2BO3Cl: A Tailor-Made Polar Lead Borate Chloride with Very Strong Second Harmonic Generation

被引：319
作者：
Zou, Guohong [1 ]
Lin, Chensheng [2 ]
Jo, Hongil [1 ]
Nam, Gnu [3 ]
You, Tae-Soo [3 ]
Ok, Kang Min [1 ]
机构：
[1] Chung Ang Univ, Dept Chem, Seoul 06974, South Korea
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
[3] Chungbuk Natl Univ, Dept Chem, Cheongju 28644, Chungbuk, South Korea
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 39期
基金：
新加坡国家研究基金会;
关键词：
crystal engineering; lead borate chloride; nonlinear optical properties; second harmonic generation; X-ray diffraction; NONLINEAR-OPTICAL CRYSTAL; ALKALINE BERYLLIUM BORATE; BOND-VALENCE PARAMETERS; LARGE SHG RESPONSES; ABSORPTION-EDGE; ELECTRONIC-STRUCTURE; ANIONIC GROUP; DESIGN; OXIDES; IODATE;
D O I：
10.1002/anie.201606782
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A meticulously designed, polar, non-centrosymmetric lead borate chloride, Pb2BO3Cl, was synthesized using KBe2BO3F2 (KBBF) as a model. Single-crystal X-ray diffraction revealed that the structure of Pb2BO3Cl consists of cationic [Pb-2(BO3)](+) honeycomb layers and Cl- anions. Powder second harmonic generation (SHG) measurements on graded polycrystalline Pb2BO3Cl indicated that the title compound is phase-matchable (type I) and exhibits a remarkably strong SHG response, which is approximately nine times stronger than that of potassium dihydrogen phosphate, and the largest efficiency observed in materials with structures similar to KBBF. Further characterization suggested that the compound melts congruently at high temperature and has a wide transparency window from the near-UV to the mid-IR region.
引用
收藏
页码：12078 / 12082
页数：5
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