Issue 8, 2010
From the journal:

Dalton Transactions

Square structures and photophysical properties of Zn2Ln2 complexes (Ln = Nd, Eu, Sm, Er, Yb)†

Hai-Bing Xu,*a   Hui-Min Wen,a   Zhong-Hui Chen,a   Jia Li,a   Lin-Xi Shia  and  Zhong-Ning Chen*a  

* Corresponding authors

a State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, China
E-mail: haibingxu@fjirsm.ac.cn, czn@fjirsm.ac.cn
Fax: 86-591-8379-2346

Abstract

Heterotetranuclear Zn2Ln2 (Ln = Nd 2, Eu 3, Sm 4, Er 5, Yb 6) complexes {Zn2(Mq)2(tpyO)2}{(Ln(hfac)3)2} (HMq = 2-methyl-8-hydroxylquinoline, tpyOH = [2,2′:6′2′′]terpyridin-4′-ol, hfac = hexafluoroacetylacetonate) display novel square structures ligated by bifunctional ligands tpyO (mono- and tridentate) and Mq (chelating and bridging μ-phenoxo). These compounds exhibit sensitized lanthanide emission upon photo-excitation of ZnMq/tpy antenna chromophores. By virtue of the dual luminescence with complementary colors, the ZnMq/tpyO-based cyan emission and SmIII-centered orange luminescence are combined to generate a white-light emission in Zn2Sm2 (4) complex.

Graphical abstract: Square structures and photophysical properties of Zn2Ln2 complexes (Ln = Nd, Eu, Sm, Er, Yb)

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Article information

DOI
https://doi.org/10.1039/B919170D
Article type
Paper
Submitted
15 Sep 2009
Accepted
19 Nov 2009
First published
24 Dec 2009

Dalton Trans., 2010,39, 1948-1953

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Square structures and photophysical properties of Zn2Ln2 complexes (Ln = Nd, Eu, Sm, Er, Yb)

H. Xu, H. Wen, Z. Chen, J. Li, L. Shi and Z. Chen, Dalton Trans., 2010, 39, 1948 DOI: 10.1039/B919170D

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