期刊
INORGANIC CHEMISTRY
卷 48, 期 21, 页码 9989-9991出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic901591p
关键词
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资金
- Japan Society for the Promotion of Science (JSPS) [17750126, 20750107]
- Grants-in-Aid for Scientific Research [17750126, 20750107] Funding Source: KAKEN
We successfully synthesized a room-temperature ionic liquid showing valence-tautomeric behavior, by combining a cobalt bis(dioxolene) complex dianion with a bulky trihexyl(tetradecyl)phosphonium cation. Its magnetic moment exhibits a gradual increase up to ca. 280 K through the glass transition (262 K) and then has an abrupt upturn at around 300 K. The valence-tautomeric behavior was confirmed by the temperature dependence of the electronic absorption spectra. This successful implementation allowed the smart ionic liquid, whose magnetic behavior responds evidently to temperature change.
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