Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 17, Pages 5238-5242Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201601672
Keywords
donor-acceptor systems; electronic structure; lithium batteries; magnetic properties; metal-organic frameworks
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology, Japan [15K13652, 26810029, 15H00983]
- MEXT from the Ministry of Education, Culture, Sports, Science, and Technology, Japan
- E-IMR project
- FRIS project
- Asahi Glass Foundation
- Mitsubishi Foundation
- Grants-in-Aid for Scientific Research [15K13652, 16H02269, 15H00983, 26810029] Funding Source: KAKEN
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Construction of a molecular system in which the magnetic lattice exhibits long-range order is one of the fundamental goals in materials science. In this study, we demonstrate the artificial construction of a ferrimagnetic lattice by doping electrons into acceptor sites of a neutral donor/acceptor metal-organic framework (D/A-MOF). This doping was achieved by the insertion of Li-ions into the D/A-MOF, which was used as the cathode of a Li-ion battery cell. The neutral D/A-MOF is a layered system composed of a carboxylate-bridged paddlewheel-type diruthenium(II,II) complex as the donor and a TCNQ derivative as the acceptor. The ground state of the neutral form was a magnetically disordered paramagnetic state. Upon discharge of the cell, spontaneous magnetization was induced; the transition temperature was variable. The stability of the magnetically ordered lattice depended on the equilibrium electric potential of the D/A-MOF cathode, which reflected the electron-filling level.
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