期刊
CHEMPLUSCHEM
卷 77, 期 8, 页码 616-623出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201200123
关键词
discrete; iron; LIESST; spin crossover; supramolecules
资金
- Australian Research Council, ARC
- French-Australia FAST/DEST grant
- Australian Synchrotron Research Program
- Commonwealth of Australia under the Major National Research Facilities Program
- National Science Foundation/Department of Energy [HE9522232, CHE0087817]
- Argonne National Laboratory
- US Department of Energy, Basic Energy Sciences, Office of Science [DE-AC02-06CH11357]
The thermal and light-induced magnetic properties of a family of discrete magnetically switchable nanoball species (3 nm in diameter) is reported. The self-assembly of these materials is accomplished by the use of the metallo building block, [Cu([Tp4-py])(NCCH3)] ([Tp4-py]=tris-[3-(4'-pyridyl)pyrazol-1-yl]hydroborate), combined with a [Fe(NCX)2] (X=S, Se and BH3) species. We previously showed that the thiocyanate analogue (Fe(NCS)-nano) undergoes a thermal and light-induced spin crossover (SCO)the largest such discrete SCO material reported. Now included in this family are the Se and BH3 analogues, Fe(NCSe)-nano and Fe(NCBH3)-nano, which show increased thermal transition temperatures (T1/2=124 K, 162 and 173 K). This variation in transition temperature over the series S
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