3 years ago

Cadmium(II) chloride complexes of imidazole-based ligands: Solvothermal syntheses, crystal structures and luminescent properties

Cadmium(II) chloride complexes of imidazole-based ligands: Solvothermal syntheses, crystal structures and luminescent properties
Presented are the solvothermal syntheses, structures, characterizations, and luminescent properties of four novel organic-modified cadmium chloride complexes constructed from CdCl2 and imidazole (or its derivatives), namely [CdCl2(Im)4] (1, Im=imidazole), [CdCl4(HAPI)2] (2, API=N-(3-Aminopropyl)-imidazole), [Cd(μ-Cl)2(1-Mim)2] (3, 1-Mim=1-methyl imidazole) and [CdCl3(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.

Publisher URL: www.sciencedirect.com/science

DOI: S1387700317303428

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