Thermo-induced structural transformation with synergistic optical and magnetic changes in ytterbium and erbium complexes |
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| Authors: | Qian Zou Jing-Cui Liu Xin-Da Huang Song-Song Bao Li-Min Zheng |
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| Institution: | State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, China |
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| Abstract: | Dinuclear ytterbium and erbium based bifunction complexes Ln2L2(depma2)Cl2 (1-Ln, Ln = Yb and Er, H2L = N1,N3-bis(salicylideneimino)diethylenetriamine, depma2 = dimerized 9-diethyl-phosphonomethylanthracene) are reported. They undergo thermo-induced consecutive phase transitions, first the dissociation of depma2 ligand forming LnL(depma)Cl (2-Ln) and then the release of chloroethane forming LnL(epma) (3-Ln, epma = 9-ethylphosphonomethylanthrancene). The structural transformations are accompanied with synergetic switch of the luminescence in visible and NIR regions and also magnetic dynamics. |
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| Keywords: | Phase transition Lanthanide Anthracene Single molecule magnet Luminescence |
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