Journal
INORGANIC CHEMISTRY
Volume 56, Issue 22, Pages 13889-13896Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.7b02010
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Funding
- National Key Basic Research Program of China [2013CB933402]
- Natural Science Foundation of China [21290174, 21631003, 21671017, 21301017, 21401009]
- Beijing Municipal Commission of Education
- University of Science and Technology Beijing
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Bulky and strong electron-donating dibutylamino groups were incorporated onto the peripheral positions of one of the two phthalocyanine ligands in the bis(phthalocyaninato) terbium complex, resulting in the isolation of heteroleptic double-decker (Pc)Tb{Pc[N(C4H9)(2)](8)} {Pc = phthalocyaninate; Pc[N(C4H9)(2)](8) = 2,3,9,10,16,17,23,24-octakis(dibutylamino)phthalocyaninate} with the nature of an unsymmetrical molecular structure, a square-antiprismatic coordination geometry, an intensified coordination field strength, and the presence of organic radical-f interaction. As a total result of all these factors, this sandwich-type tetrapyrrole lanthanide single-ion magnet (SIM) exhibits an overall enhanced magnetic performance including a high blocking temperature (T-B) of 30 K and large effective spin-reversal energy barrier of U-eff = 939 K, rendering it the best sandwich-type tetrapyrrole lanthanide SIM reported thus far.
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