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Issue 22, 2020
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Synergetic magnetic and luminescence switching via solid state phase transitions of the dysprosium–dianthracene complex

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Abstract

Manipulating the synergy between magnetic and optical characteristics in a predictable manner by an external stimulus is a highly desirable option to develop smart materials for advanced applications such as information processing and storage in multifunctional devices. Herein we report dinuclear complexes Ln2L2(depma2)Cl2 (1-Ln, Ln = Dy, Gd; H2L = N1,N3-bis(salicylideneimino)diethylenetriamine, depma2 = photodimerized 9-diethylphosphonomethylanthracene) where the lanthanide ions possess pseudo-D5h geometries with five equatorial positions occupied by L2− and the axial positions by depma2 and the Cl anion. depma2 acts as a bridge between the equivalent LnIII ions and can be opened and closed upon heating and light irradiation. 1-Ln experience consecutive structural transformations, first separation of the depma2 at ca. 170 °C and second elimination of chloroethane at ca. 250 °C, accompanied by a synergetic switch of the photoluminescence and magnetic dynamics for 1-Dy.

Graphical abstract: Synergetic magnetic and luminescence switching via solid state phase transitions of the dysprosium–dianthracene complex

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Supplementary files

Article information


Submitted
04 Mar 2020
Accepted
20 Apr 2020
First published
20 Apr 2020

J. Mater. Chem. C, 2020,8, 7369-7377
Article type
Paper

Synergetic magnetic and luminescence switching via solid state phase transitions of the dysprosium–dianthracene complex

J. Liu, X. Huang, Q. Zou, S. Bao, X. Wang, J. Ma and L. Zheng, J. Mater. Chem. C, 2020, 8, 7369
DOI: 10.1039/D0TC01111H

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