Green and red three-photon upconversion from polymeric lanthanide(III) complexes

被引：54
|
作者：
Wong, KL
Kwok, WM
Wong, WT
Phillips, DL
Cheah, KW
机构：
[1] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Baptist Univ, Dept Phys, Kowloon, Hong Kong, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 35期
关键词：
energy transfer; lanthanides; luminescence; tripodal ligands; upconversion;
D O I：
10.1002/anie.200460576
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Red light, green light! Emission through three-photon upconversion processes from polymeric organic-lanthanide complexes (lanthanide, Ln = Tb, Eu) was observed upon excitation of the tripodal organic ligand at 845 nm. Multiphoton absorption by the ligand followed by a transfer of energy to Ln (see picture; S = singlet state, T = triplet state) gives rise to characteristic Eu (red) or Tb (green) emission.
引用
收藏
页码：4659 / 4662
页数：4
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