Synthesis and Photophysical Properties of Eu(III) Complexes with Phosphine Oxide Ligands including Metal Ions

被引：11
作者：
Yamamoto, Masanori [1 ]
Nakanishi, Takayuki [2 ]
Kitagawa, Yuichi [2 ]
Seki, Tomohiro [2 ]
Ito, Hajime [2 ]
Fushimi, Koji [2 ]
Hasegawa, Yasuchika [2 ]
机构：
[1] Hokkaido Univ, Grad Sch Chem Sci & Engn, Kita Ku, Kita 13 Jo,Nishi 8 Chome, Sapporo, Hokkaido 0608628, Japan
[2] Hokkaido Univ, Fac Engn, Kita Ku, Kita 13 Jo,Nishi 8 Chome, Sapporo, Hokkaido 0608628, Japan
来源：
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN | 2018年 / 91卷 / 01期
关键词：
SM-III COMPLEXES; ORGANIC FRAMEWORKS; HIGHLY LUMINESCENT; COORDINATION POLYMERS; EMISSION; DENSITY; EU-3+; EU3+;
D O I：
10.1246/bcsj.20170241
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Lanthanide (Ln(3+)) complexes composed of luminescent Eu3+ complex and joint metal blocks (Al3+, Zn2+ and Pd2+ complexes) are reported. The Eu3+ complexes [Eu(hfa)(3)-(dppy)(2)PdCl2](n) (Eu-Pd), [Eu(hfa)(3)(dppy)(2)ZnCl2](n) (Eu-Zn) and [Eu(hfa)(3)(dppy)(4)AlCl3](n) (Eu-Al) (hfa: hexafluoroacetylacetonato, dppy: 4-pyridyldiphenylphosphine oxide) were synthesized by the complexation of [Eu(hfa)(3)(H2O)(2)] with [MCln-(dppy)(m)] (M = Pd2+, Zn2+ and Al3+). These predicted structures were estimated using single-crystal X-ray structural analyses and DFT calculations. Photophysical properties of these complexes were evaluated based on the emission lifetimes and emission quantum yields. The emission quantum yields are dependent on the moiety of the joint metal blocks. Eu-Al complex shows the largest emission quantum yield (Phi(ff) = 72%). In contrast, the emission quantum yield of Eu-Pd is found to be 1.3%. The structures and photophysical properties of Eu3+ complexes linked with joint metal blocks are demonstrated.
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页码：6 / 11
页数：6
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