A novel double-stranded dinuclear copper(I) helicate having a photoluminescent CuI2N8 chromophore |
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| Affiliation: | 1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, The Chinese Academy of Sciences, Fuzhou, Fujian 350002, China;2. University of Chinese Academy of Sciences, 100049 Beijing, China;3. College of Materials Science and Engineering, Fujian Normal University, Fuzhou, Fujian 350108, China |
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| Abstract: | Bis-(pyridinal)-ethylenediimine (L) affords [CuI2L2]X2 (X=ClO4− and PF6−). The X-ray crystal structure of the ClO4− salt shows that the cation [CuI2L2]2+ is a double-stranded helicate. The PF6− salt exhibits a single emission band (maxima, 540 nm) in solution at room temperature (quantum yield: 2×10−5 in methanol, 1×10−5 in CH2Cl2). |
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