Issue 42, 2014

A zigzag DyIII4 cluster exhibiting single-molecule magnet, ferroelectric and white-light emitting properties

Abstract

A novel multifunctional complex [Dy4(OH)2(bpt)4(NO3)6(EtOH)2]·EtOH (1, Hbpt = 3,5-bis(pyridin-2-yl)-1,2,4-trizolate) was designed, based on the self-assembly under hydrothermal conditions, and it displays properties of single-molecule magnets (SMMs), white-light emission and ferroelectricity. Studies of static and dynamic magnetism reveal the SMMs behaviour of 1 with energy barrier Ueff = 43.22(8) K. Furthermore, the strategy of a dichromatic mixture of blue (bpt) and yellow (Dy3+) emissive colours was utilized to obtain white-light emission through modulation of the excitation wavelength. This strategy has been worked up to create lanthanide-based fluorescent molecular magnets recently. Moreover, ferroelectricity, a “plus” feature, was added to the cluster as a result of the polar point group C2v.

Graphical abstract: A zigzag DyIII4 cluster exhibiting single-molecule magnet, ferroelectric and white-light emitting properties

Supplementary files

Article information

Article type
Paper
Submitted
15 6 2014
Accepted
20 8 2014
First published
21 8 2014

J. Mater. Chem. C, 2014,2, 8858-8864

A zigzag DyIII4 cluster exhibiting single-molecule magnet, ferroelectric and white-light emitting properties

P. Guo, Y. Meng, Y. Chen, Q. Li, B. Wang, J. Leng, D. Bao, J. Jia and M. Tong, J. Mater. Chem. C, 2014, 2, 8858 DOI: 10.1039/C4TC01275E

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