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Inorganic chemistry communications v.85, 2017년, pp.21 - 25   SCI SCIE
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Cadmium(II) chloride complexes of imidazole-based ligands: Solvothermal syntheses, crystal structures and luminescent properties

Cheng, Chu-Chu (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ; Shen, Nan-Nan (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ; Du, Cheng-Feng (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ; Wang, Zi (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ; Li, Jian-Rong (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ; Huang, Xiao-Ying (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China ) ;
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    Abstract Presented are the solvothermal syntheses, structures, characterizations, and luminescent properties of four novel organic-modified cadmium chloride complexes constructed from CdCl 2 and imidazole (or its derivatives), namely [CdCl 2 (Im) 4 ] ( 1 , Im=imidazole), [CdCl 4 (HAPI) 2 ] ( 2 , API=N-(3-Aminopropyl)-imidazole), [Cd( μ -Cl) 2 (1-Mim) 2 ] ∞ ( 3 , 1-Mim=1-methyl imidazole) and [CdCl 3 (HAPI)] ∞ ( 4 ). 1 and 2 feature a zero dimensional (0D) mononuclear structure with different mole ratios of Cd: Cl: ligand, while compound 3 and 4 bear infinite chains constructed from different subunits and connection modes. Worthy of note is that 4 represents a new structural type in the family of organic modified cadmium halides. The fluorescence spectra showed that compounds 1–4 exhibited emission peaks around 450nm with the quantum yields of 23.01%, 5.84%, 27.31%, 5.71%, respectively. Highlights Four 0-1D cadmium halide complexes, including a new structural type of organic-modified halocadmates, were isolated. Four title compounds exhibited strong blue emission with relatively high quantum yields. The compound 4 represents a new structural type in the family of organic-modified halocadmates. Graphical abstract Four organically modified cadmium chaloride complexes with different structural types and strong blue fluorescence have been synthesized and characterized. [DISPLAY OMISSION]


  • 주제어

    Cadmium(II) chloride .   Imidazole-based ligands .   Structure .   Luminescence.  

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