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Issue 40, 2017
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Octahedral Yb(III) complexes embedded in [CoIII(CN)6]-bridged coordination chains: combining sensitized near-infrared fluorescence with slow magnetic relaxation

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Abstract

Ytterbium (3+) ions combined with 3-pyridone and hexacyanido-cobaltate(III) anions in a concentrated aqueous solution produce cyanido-bridged {[YbIII(3-pyridone)2(H2O)2][CoIII(CN)6]} (1) chains. The resulting YbIII complexes of an elongated octahedral geometry reveal two coexisting functionalities: a field-induced slow magnetic relaxation with an energy barrier of ΔE/kB = 45(1) K at Hdc = 1 kOe, and an YbIII-centered near-infrared fluorescence in the 950–1100 nm range sensitized by 3-pyridone and [CoIII(CN)6]3−.

Graphical abstract: Octahedral Yb(iii) complexes embedded in [CoIII(CN)6]-bridged coordination chains: combining sensitized near-infrared fluorescence with slow magnetic relaxation

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Publication details

The article was received on 20 Jun 2017, accepted on 12 Jul 2017 and first published on 18 Jul 2017


Article type: Communication
DOI: 10.1039/C7DT02239E
Citation: Dalton Trans., 2017,46, 13668-13672
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    Octahedral Yb(III) complexes embedded in [CoIII(CN)6]-bridged coordination chains: combining sensitized near-infrared fluorescence with slow magnetic relaxation

    S. Chorazy, M. Rams, J. Wang, B. Sieklucka and S. Ohkoshi, Dalton Trans., 2017, 46, 13668
    DOI: 10.1039/C7DT02239E

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