Lanthanide Complexes with 2-(Tosylamino)-benzylidene-<i>N</i>-(aryloyl)hydrazones: Universal Luminescent Materials
作者:Anton Kovalenko、Pavel O. Rublev、Lyubov O. Tcelykh、Alexander S. Goloveshkin、Leonid S. Lepnev、Anatolii S. Burlov、Andrey A. Vashchenko、Łukasz Marciniak、Abel M. Magerramov、Namig G. Shikhaliyev、Sergey Z. Vatsadze、Valentina V. Utochnikova
DOI:10.1021/acs.chemmater.8b03675
日期:2019.2.12
complexes Ln(L1)(HL1) (Ln = Lu, Yb, Er, Gd, Eu, Sm) and Ln(L2)(HL2) (Ln = Lu, Yb, Gd, Eu) with 2-(tosylamino)-benzylidene-N-(aryloyl)hydrazones (H2L1, aryloyl = 2-hydroxybenzoyl; H2L2, aryloyl = isonicotinoyl) were obtained with the aim to explore them as new luminescent materials. They were found to form monomeric species independently on the aryloyl group, and their crystal structures were determined
镧系元素配合物Ln(L 1)(HL 1)(Ln = Lu,Yb,Er,Gd,Eu,Sm)和Ln(L 2)(HL 2)(Ln = Lu,Yb,Gd,Eu)具有2-得到(甲苯磺酰基氨基)-亚苄基-N-(芳酰基)hydr(H 2 L 1,芳酰基= 2-羟基苯甲酰基; H 2 L 2,芳酰基=异烟酰基),以研究它们作为新的发光材料。发现它们独立地在芳酰基上形成单体种类,并且根据单晶X射线数据(Yb(L 2)(HL 2)·0.5(C 2 H 5)确定它们的晶体结构。OH)),以及Rietveld精炼法(Eu(L 1)(HL 1))的粉末X射线数据。配合物表现出强烈的发光,可将其用于不含主体的有机发光二极管中,在低电压(5 V)下表现出显着的近红外电致发光效率(50μW/ W)。using配合物作为发光温度计可以实现of发光猝灭的特殊机理,它显示出高达12%/ K的极高灵敏度。提出了基于三级系统的发光