Reversible SC-SC Transformation involving [4+4] Cycloaddition of Anthracene: A Single-Ion to Single-Molecule Magnet and Yellow-Green to Blue-White Emission

Angewandte Chemie
Xin-Da HuangLi-Min Zheng

Abstract

In search of magneto-optic materials, the mononuclear compounds LnIII (depma)(NO3 )3 (hmpa)2 (Ln=Dy, Gd) were synthesized. The anthracene moieties undergo [4+4] dimerization when irradiated at 365 nm without loss of crystallinity. The Dy compound switches from a single-ion to a single-molecule magnet with doubling of the spin reversal barrier energy and from yellow-green to blue-white emission. The dimerization is reversed by heating at 100 °C or partially on light irradiating at 254 nm. The results suggest that lanthanide phosphonates with anthracene are promising smart materials displaying synergistic magneto-optic property.

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Citations

Feb 7, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Qian ZouLi-Min Zheng
Jul 3, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiangyu LiuEmilio Pardo
Jul 6, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiong-Feng MaFu-Pei Liang
Sep 5, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Xin-Da HuangLi-Min Zheng
Dec 19, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Guocheng LiuJianrong Li
Oct 12, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Jian-Qiang HeWen Dong
Apr 2, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Hai-Zhen LiJian Zhang
Oct 22, 2020·Chemical Communications : Chem Comm·Min FengMing-Liang Tong
Jan 5, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Ting-Hai YangDayu Wu
Apr 17, 2021·Chemistry, an Asian Journal·Qian ZouLi-Min Zheng
May 12, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Yang LiuMing-Liang Tong
Jul 22, 2021·Chemistry, an Asian Journal·Guo-Guo WengLi-Min Zheng
Mar 6, 2019·Inorganic Chemistry·David Esteban-GómezCarlos Platas-Iglesias
Jan 21, 2020·Journal of the American Chemical Society·Yu-Juan MaGuo-Ming Wang
Nov 19, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Olivier GalangauStéphane Rigaut

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