两个氮氧双自由基桥连的稀土一维链的晶体结构、磁性和荧光性能  

Two Nitronyl Nitroxide Biradical-Bridged Lanthanide One-Dimensional Chains:Crystal Structure,Magnetic Properties and Luminescent Behavior

作　　者：李弘道 翟丽军 宋永波 牛宇岚 LI Hong-Dao;ZHAI Li-Jun;SONG Yong-Bo;NIU Yu-Lan(Department of Chemistry and Chemical Engineering,Taiyuan Institute of Technology,Taiyuan 030008,China)

机构地区：[1]太原工业学院化学与化工系,太原030008

出　　处：《无机化学学报》2021年第5期914-920,共7页Chinese Journal of Inorganic Chemistry

基　　金：山西省科技创新项目(No.2020L0650)资助。

摘　　要：选用1,2-二苯氧基乙烷取代的氮氧双自由基(BNPhOEt)与稀土金属反应,得到了2例氮氧双自由基-稀土配合物[Ln(hfac)_(3)(BNPhOEt)]·C_(6)H_(14)(Ln=Tb(1)、Ho(2);hfac=六氟乙酰丙酮),其均为2p-4f一维链状结构。磁性研究表明,在配合物1和2中分别存在铁磁和反铁磁耦合。此外,对2个配合物的荧光光谱进行了研究分析。The rational design of 2p-4f chains,which are made of 4f ions and nitronyl nitroxide biradical,has been presented.The reaction of Ln(hfac)_(3)·2H_(2)O(hfac=hexafluoroacetylacetonate)and nitronyl nitroxide biradical BNPhOEt(BNPhOEt=1,2-(bis-2,2′-(4,4,5,5-tetramethylimidazolyl-1-oxyl-3-oxide)phenoxy)ethane)afforded two isostructural chains of the formula[Ln(hfac)3(BNPhOEt)]·C_(6)H_(14)(Ln=Tb(1),Ho(2)).Direct-current magnetic suscep-tibility studies show ferromagnetic 4f-radical interaction in Tb complex while antiferromagnetic interaction in Ho derivative.In addition,the luminescence emission spectra of two complexes vary depending on lanthanide ion.CCDC:1906230,1;1906231,2.

关 键 词：双自由基 稀土链 磁性 荧光 

分 类 号：O614.341[理学—无机化学] O614.343[理学—化学]