三维镍(Ⅱ)-镧(Ⅲ)混金属配位聚合物的合成、晶体结构及其荧光性质（英文）  

Syntheses, Structures and Luminescent Properties of 3D Ni(Ⅱ)-Ln(Ⅲ) Heterometallic Coordination Polymers Constructed from the Triazol-Based Ligand

作　　者：林雨青 高敏 张辉[1] 彭雪 顾文[2] 刘欣[2] 廖圣云[1] LIN Yu-Qing;GAO Min;ZHANG Hui;PENG Xue;GU Wen;LIU Xin;LIAO Sheng-Yun(Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion,School of Chemistry and Chemical Engineering,Tianjin University of Technology,Tianjin 300384,China;Department of Chemistry,Nankai University,Tianjin 300071,China)

机构地区：[1]天津理工大学有机太阳能电池和光化学转换重点实验室,天津300384 [2]南开大学化学系,天津300071

出　　处：《无机化学学报》2018年第9期1600-1609,共10页Chinese Journal of Inorganic Chemistry

基　　金：大学生创新创业训练计划项目(No.201610060066);国家自然科学基金(No.21601135);天津市高等学校自然科学研究项目(No.2017KJ256)资助

摘　　要：以1,2,3-三氮唑基杂环多羧酸H_3ctia(H_3ctia=5-(4-carboxyl-1H-1,2,3-triazol-1-yl) isophthalic acid)为配体合成了一系列三维镍(Ⅱ)-镧(Ⅲ)混金属配位聚合物[Ln_2Ni(tia)_4(H_2O)_4]_n(Ln=La (1)、Ce (2)、Pr (3)、Nd (4)、Sm (5)、Eu (6)、Gd (7)、Tb (8)、Dy (9))和{[Yb_2Ni(tia)_4(H_2O)_2]·2H_2O}_n(10)(tia=5-(1H-1,2,3-triazol-1-yl)isophthalate)。X射线单晶衍射测试表明,配合物1~10皆具有三维网格结构,其中配合物1~9同构,而配合物10的组成与1~9一样,但晶体学结构则完全不同。在可见光区域,化合物5、6、8和9分别出现了Sm、Eu、Tb和Dy的特征发射峰,其中配合物6、8和9的荧光寿命分别为234、598和2.96μs;在近红外区域,配合物4、9和10分别出现了Nd、Dy和Yb的特征发射峰,对应的荧光寿命分别为4.25、3.42和5.66μs。A series of Ni(Ⅱ)-Ln(Ⅲ)heterometallic isomers[Ln2Ni(tia)4(H2O)4]n(Ln=La(1),Ce(2),Pr(3),Nd(4),Sm(5),Eu(6),Gd(7),Tb(8)and Dy(9)),and{[Yb2Ni(tia)4(H2O)2]·2H2O}n(10)(tia=5-(1H-1,2,3-triazol-1-yl)isophthalate)have been constructed from the tritopic 1,2,3-trazol-based aromatic heterocyclic carboxylic ligand H3ctia(H3ctia=5-(4-carboxyl-1H-1,2,3-triazol-1-yl)isophthalic acid).The results of single crystal X-ray diffraction show that all of these complexes possess 3D microporous frameworks.Complexes 1~9 are isomorphic.The chemical composition of complex 10 is the same as those of 1~9,but the crystallographic structure is totally different from 1~9.In the visible region,complexes 5,6,8 and 9 exhibit the characteristic luminescent emissions of Sm(Ⅲ),Eu(Ⅲ),Tb(Ⅲ)and Dy(Ⅲ)with the long luminescent lifetime(234μs for 6,598μs for 8 and 2.96μs for 9).Complexes 4,9 and 10 show characteristic emissions of Nd(Ⅲ),Dy(Ⅲ),and Yb(Ⅲ)in the near infrared region with the average lifetime of 4.25,3.42 and 5.66μs,respectively.CCDC:1822039,1;1822038,2;1822040,3;1822037,4;1822035,5;1822036,6;1822041,7;1822042,8;1822043,9;1821893,10.

关 键 词：配位聚合物 混金属配合物 晶体结构 荧光性质 三唑基配体 

分 类 号：O614.331[理学—无机化学] O614.332[理学—化学]