期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 29, 页码 9254-9257出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b06002
关键词
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资金
- Clarkson University
- Center of Advanced Material Processing at Clarkson University
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- National Science Foundation [CHE-9974899]
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-SC0012582]
- Robert A. Welch Foundation [A-1449]
The prototypical single-molecule magnet (SMM) molecule [Mn12O12(O2CCH3)(16)(OH2)(4)] was incorporated under mild conditions into a highly porous metal-organic framework (MOF) matrix as a proof of principle for controlled nanostructuring of SMMs. Four independent experiments revealed that the SMM clusters were successfully loaded in the MOF pores, namely synchrotron-based powder diffraction, physisorption analysis, and in-depth magnetic and thermal analyses. The results provide incontrovertible evidence that the magnetic composite, SMM@ MOF, combines key SMM properties with the functional properties of MOFs. Most importantly, the incorporated SMMs exhibit a significantly enhanced thermal stability with SMM loading advantageously occurring at the periphery of the bulk MOF crystals with only a single SMM molecule isolated in the transverse direction of the pores.
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