Journal
CHEMICAL SCIENCE
Volume 3, Issue 4, Pages 1200-1204Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2sc00824f
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Funding
- Chinese Academy of Sciences [KJCX2-YW-H21]
- NNSF of China [21001104, 20771102, 20873149]
- NSF of Fujian Province [2008J0174]
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Four discrete T5 cluster compounds with Cu-M-S constituents (M = In for compound 1, Ga for 2-4) have been synthesized in an ionic liquid (IL) [Bmmim]Cl (Bmmim = 1-butyl-2,3-dimethyl-imidazolium), which represent the largest molecular clusters in a Tn series. The in situ decomposition of the IL generates the Bim ligand (Bim 1-butyl-2-methyl-imidazole) that directly coordinates to some of the corner Ga3+ ions of the T5 clusters in 3-4, leading to the formation of the first inorganic-organic hybrid T5 clusters. 2-4 show significantly broad photoluminescent emission bands ranging from 500 to 800 nm with a full width at half maximum (fwhm) at about 180 nm. This research provides a new method for synthesizing molecular metal chalcogenides that uses ILs as a reactive solvent and stabilizer.
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