Issue 40, 2017
From the journal:

Dalton Transactions

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

Szymon Chorazy, ORCID logo *ab   Michał Rams,c   Junhao Wang,b   Barbara Siekluckaa  and  Shin-ichi Ohkoshi*b  

* Corresponding authors

a Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
E-mail: simon.chorazy@uj.edu.pl

b Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
E-mail: ohkoshi@chem.s.u-tokyo.ac.jp

c Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348 Kraków, Poland

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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Article information

DOI
https://doi.org/10.1039/C7DT02239E
Article type
Communication
Submitted
20 Jun 2017
Accepted
12 Jul 2017
First published
18 Jul 2017

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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