Thermal switching between blue and red luminescence in magnetic chiral cyanido-bridged EuIII–WV coordination helices

Szymon Chorazy; Koji Nakabayashi; Noriaki Ozaki; Robert Pełka; Tomasz Fic; Jacek Mlynarski; Barbara Sieklucka; Shin-ichi Ohkoshi

doi:10.1039/C2RA23033J

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Thermal switching between blue and red luminescence in magnetic chiral cyanido-bridged Eu^III–W^V coordination helices†

Szymon Chorazy,^ab Koji Nakabayashi,^a Noriaki Ozaki,^a Robert Pełka,^c Tomasz Fic,^d Jacek Mlynarski,^b Barbara Sieklucka*^b and Shin-ichi Ohkoshi*^ae

Author affiliations

* Corresponding authors

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

^b Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland

^c H. Niewodniczański Institute of Nuclear Physics PAN, Radzikowskiego 152, 31-342 Kraków, Poland

^d Institute of Physics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland

^e CREST, JST, K's Gobancho, 7 Gobancho, Chidoya-ku, Tokyo, Japan

Abstract

Unique one-dimensional cyanido-bridged {[Eu^III(RR-Prⁱ-Pybox)(dmf)₄]₃[W^V(CN)₈]₃}_n·dmf·8H₂O (1-RR) and {[Eu^III(SS-Prⁱ-Pybox)(dmf)₄]₃[W^V(CN)₈]₃}_n·dmf·8H₂O (1-SS) (Prⁱ-Pybox = 2,2′-(2,6-pyridinediyl)bis(4-isopropyl-2-oxazoline)) chains were synthesized and characterized. They combine chiral helicity with paramagnetism and thermally switchable luminescence, and have a great potential in the aspect of magneto-optical phenomena.

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Article information

DOI: https://doi.org/10.1039/C2RA23033J
Article type: Communication
Submitted: 23 Nov 2012
Accepted: 23 Nov 2012
First published: 26 Nov 2012

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RSC Adv., 2013,3, 1065-1068

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Thermal switching between blue and red luminescence in magnetic chiral cyanido-bridged Eu^III–W^V coordination helices

S. Chorazy, K. Nakabayashi, N. Ozaki, R. Pełka, T. Fic, J. Mlynarski, B. Sieklucka and S. Ohkoshi, RSC Adv., 2013, 3, 1065 DOI: 10.1039/C2RA23033J

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