Circularly Polarized Luminescence of Curium: A New Characterization of the 5f Actinide Complexes

被引：47

作者：

Law, Ga-Lai ^{[1
]}

Andolina, Christopher M. ^{[1
]}

Xu, Jide ^{[1
]}

Luu, Vinh ^{[3
]}

Rutkowski, Philip X. ^{[2
]}

Muller, Gilles ^{[3
]}

Shuh, David K. ^{[2
]}

Gibson, John K. ^{[2
]}

Raymond, Kenneth N. ^{[1
,2
]}

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Chem Sci, Berkeley, CA 94720 USA

[3] San Jose State Univ, Dept Chem, San Jose, CA 95192 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 37期

基金：

美国国家卫生研究院;

关键词：

INTRAMOLECULAR ENERGY-TRANSFER; AROMATIC LIGANDS; LANTHANIDE; AMERICIUM(III); CM(III); IONS; PHOTOLUMINESCENCE; ENANTIOPURE; CRYSTALS; EUROPIUM;

D O I：

10.1021/ja306354n

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A key distinction between the lanthanide (4f) and the actinide (5f) transition elements is the increased role of f-orbital covalent bonding in the latter. Circularly polarized luminescence (CPL) is an uncommon but powerful spectroscopy which probes the electronic structure of chiral, luminescent complexes or molecules. While there are many examples of CPL spectra for the lanthanides, this report is the first for an actinide. Two chiral, octadentate chelating ligands based on orthoamide phenol (IAM) were used to complex curium(III). While the radioactivity kept the amount of material limited to micromole amounts, spectra of the highly luminescent complexes showed significant emission peak shifts between the different complexes, consistent with ligand field effects previously observed in luminescence spectra.

引用

页码：15545 / 15549

页数：5

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