期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 2, 期 42, 页码 8858-8864出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc01275e
关键词
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资金
- 973 Project [2012CB821704, 2014CB845602]
- NSFC [21371183, 91122032, 21121061, 21301197]
- NSF of Guangdong [S2013020013002]
- Program for Changjiang Scholars and Innovative Research Team in University of China [IRT1298]
- Fundamental Research Funds for the Central Universities
A novel multifunctional complex [Dy-4(OH)(2)(bpt)(4)(NO3)(6)(EtOH)(2)]center dot 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 U-eff = 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 C-2v.
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