Influence of the Metal Ion on the Two-Photon Absorption Properties of Lanthanide Complexes Including Near-IR Emitters

被引：33

作者：

Bourdolle, Adrien ^{[1
]}

Allali, Mustapha ^{[1
]}

D'Aleo, Anthony ^{[1
]}

Baldeck, Patrice L. ^{[1
]}

Kamada, Kenji ^{[2
]}

Williams, J. A. Gareth ^{[3
]}

Le Bozec, Hubert ^{[4
]}

Andraud, Chantal ^{[1
]}

Maury, Olivier ^{[1
]}

机构：

[1] Univ Lyon 1, ENS Lyon, CNRS, UMR 5182, F-69364 Lyon, France

[2] Natl Inst Adv Ind Sci & Technol, Res Inst Ubiquitous Energy Devices, AIST Kansai Ctr, Ikeda, Osaka 5638577, Japan

[3] Univ Durham, Dept Chem, Durham DH1 3LE, England

[4] Univ Rennes 1, Sci Chim Rennes, CNRS, UMR 6226, F-35042 Rennes, France

来源：

CHEMPHYSCHEM | 2013年 / 14卷 / 14期

关键词：

lanthanides; luminescence; near-infrared; nonlinear optics; two-photon absorption; EFFICIENT 2-PHOTON-SENSITIZED LUMINESCENCE; NONLINEAR-OPTICAL PROPERTIES; CROSS-SECTIONS; F-ELECTRONS; SENSITIZED LUMINESCENCE; EUROPIUM COMPLEX; RED EMISSION; EXCITATION; CHROMOPHORES; MICROSCOPY;

D O I：

10.1002/cphc.201300501

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The synthesis of tris(2-thenoyltrifluoroacetonate)lanthanide(III) complexes featuring a diethylaminostyryl-2,2-bipyridine coligand was achieved for lanthanum; the near-infrared (NIR) emitters neodymium, erbium, and ytterbium; and the transition-metal yttrium. The photophysical properties were thoroughly studied, and it was demonstrated that the conjugated bipyridine ligand acts as a good antenna for the sensitization of the NIR emitters. The two-photon absorption (TPA) properties of all five complexes were investigated by using both two-photon excited fluorescence and the Z-scan method. We demonstrate that the nature of the rare earth ion has almost no influence on the TPA properties centered on the conjugated bipyridyl ligand. Finally, we show that Yb-III is sensitized by a two-photon antenna effect, and that Nd-III is mostly sensitized by a one-photon process involving direct excitation of forbidden f-f transitions.

引用

页码：3361 / 3367

页数：7

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