A highly luminescent europium complex showing visible-light-sensitized red emission: Direct observation of the singlet pathway

被引:357
作者
Yang, C
Fu, LM
Wang, Y [1 ]
Zhang, JP
Wong, WT
Ai, XC
Qiao, YF
Zou, BS
Gui, LL
机构
[1] Peking Univ, Coll Chem & Mol Engn, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
[3] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[4] Guangdong Univ Technol, Fac Chem Engn & Light Ind, Guangzhou 510090, Peoples R China
[5] Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China
[6] Guangdong Univ Technol, Fac Chem Engn & Light Ind, Guangzhou 510090, Peoples R China
关键词
energy-transfer mechanisms; europium; luminescence; sensitizers; time-resolved spectroscopy;
D O I
10.1002/anie.200454141
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Red glow in daylight ... chemist's delight! An efficient transfer of excitation energy from the ligand to the luminescent states of the coordinated EuIII ion in 1 occurs from the singlet excited state of the ligand. The complex shows characteristic bright red Eu-centered emission with a quantum yield of 0.52 when sensitized with visible light.
引用
收藏
页码:5010 / 5013
页数:4
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