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Issue 4, 2008
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Near-infrared luminescence properties of erbium complexes with the substituted phthalocyaninato ligands

Shuhui Bo,ab  Jin Hu,ab  Qi Wang,a  Xinhou Liua  and  Zhen Zhen*a 
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* Corresponding authors

a Laboratory of Organic Optoelectronic Functional Materials and Molecular Engineering, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: zhenz@mail.ipc.ac.cn
Fax: +86(10)62554670

b The Graduate University of Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Two homoleptic bis(phthalocyaninato) erbium(III) complexes Er[Pc(β-OR/R)4]2 and two half-sandwich phthalocyaninato erbium(III) complexes (acac)Er[Pc(β-OR/R)4] (OR = 1-n-pentyloxy and R = tert-butyl) have been investigated. Then we studied the near-infrared luminescence properties of the compounds. When the phthalocyanine ligands were excited, half-sandwich phthalocyaninato erbium(III) complexes showed strong near-infrared luminescence at 1540 nm while homoleptic bis(phthalocyaninato) erbium(III) complexes showed no signals. The full width at half maximum (FWHM) centered at 1540 nm in the emission spectrum of the half-sandwich complexes in solution and in solid state are 67 nm and 78 nm respectively, which shows potential for optical-amplification applications. Erbium-doped standard polymethyl-methacrylate (PMMA) matrix which was synthesized has also displayed NIR emission.

Graphical abstract: Near-infrared luminescence properties of erbium complexes with the substituted phthalocyaninato ligands

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Publication details

The article was received on 12 Oct 2007, accepted on 16 Jan 2008 and first published on 19 Feb 2008


Article type: Paper
DOI: 10.1039/B715809B
Citation: Photochem. Photobiol. Sci., 2008,7, 474-479
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    Near-infrared luminescence properties of erbium complexes with the substituted phthalocyaninato ligands

    S. Bo, J. Hu, Q. Wang, X. Liu and Z. Zhen, Photochem. Photobiol. Sci., 2008, 7, 474
    DOI: 10.1039/B715809B

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