A Half‐Open Cage‐Shaped Cluster, (NEt4)3(WOS3(CuBr)3(μ2‐Br))× 2 H2O: Synthesis, Structure, and Nonlinear Optical Properties.
A Half‐Open Cage‐Shaped Cluster, (NEt4)3(WOS3(CuBr)3(μ2‐Br))× 2 H2O: Synthesis, Structure, and Nonlinear Optical Properties.
复制标题
DOI：
10.1002/chin.199539013
复制
发表时间：
1995-09
期刊：
影响因子：
--
通讯作者：
Z. Chen;H. Hou;X. Xin;Kai-bei Yu;S. Shi
中科院分区：
文献类型：
--
作者：
Z. Chen;H. Hou;X. Xin;Kai-bei Yu;S. Shi
(NH4)2WC)2S2、CuBr3和EttNBr在固态下反应生成(NET4)3[W0S3(CuBr)]-2H20。单晶X射线衍射数据表明，阴离子簇合物[WOS3(CuBr)3(w-Br3)]3-具有半开笼状结构，介于立方笼状结构和嵌套结构之间。用波长为532 nm的7 ns脉冲激光研究了该团簇的非线性光学性质。在9.1×10~(-4)mol·dm~(-3)的乙腈溶液中，该团簇既表现出光学自聚焦，又表现出由通量相关过程引起的光学非线性吸收(n2eff1.1×10-16m2W-1，a2eff6.0×10-1mW-1)。相应的有效NLO磁化率(%(3W))为2.6 x 10-10 ESU。将该团簇的这些非线性光学性质与立方笼状和巢状团簇以及其他已知的非线性光学材料的非线性光学性质进行了比较。
Reaction of (NH4) 2WC) 2S2, CuBr, and EttNBr in solid state produced (NEt4) 3 [W0S3 (CuBr)]-2H20. Singlecrystal X-ray diffraction data reveal that the anionic cluster [WOS3 (CuBr) 3 (w-Br)] 3-has a half-open cage structure, an intermediate structure between cubic-cage andnest structures. Nonlinear optical (NLO) properties of the cluster were studied with a 7-ns pulsed laser at 532 nm. The cluster exhibits both optical self-focusing and optical nonlinear absorption stemed from a fluence dependent process (n2eff= 1.1 x 10-16 m2 W-1, a2eff= 6.0 x 10-1 m W-1, when measured with a 9.1 x 10-4 mol dm-3 acetonitrile solution). The corresponding effective NLO susceptibilities (%(3W) of the cluster is 2.6 x 10-10 esu. These nonlinearoptical properties of the cluster were compared with those of cubic-cage-shaped and nest-shaped clusters and those of other known NLO materials.