Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/37503
Title: SYNTHESIS OF LUMINESCENT COPPER (I) AND MERCURY (II) COMPLEXES OF 8-(DIPHENLYPHOSPHINO) QUINOLINE
Authors: ZHANG MEI
Keywords: luminescent, quinoline, copper, mercury
Issue Date: 11-Oct-2012
Source: ZHANG MEI (2012-10-11). SYNTHESIS OF LUMINESCENT COPPER (I) AND MERCURY (II) COMPLEXES OF 8-(DIPHENLYPHOSPHINO) QUINOLINE. ScholarBank@NUS Repository.
Abstract: In this thesis, the synthesis and luminescent properties of copper(I) and mercuty(II) complexes of 8-(diphenlyphosphino)quinoline were studied. The copper complexes with similar structures forming by two 8-(diphenylphosphino)quinoline and two halide ions (I or Br) are gained. The distance Cu-Cu is tuned by the identity of the halide ligand, following the trend Cu(µ-I)Cu < Cu(µ-Br)Cu. The emission band of the copper(I) complexes is mainly assigned to MLCT and LLCT transitions in solid state, while no emission is observed in solution at room-temperature. Meanwhile, the mercury complexes formed by two 8-(diphenylphosphino)quinoline and four iodide ions are also prepared. The complex is very stable in solid state and solution. There are two molecules in which the coordination environment around the ligand for the mercury ions in one unit cell if using CH2Cl2 to grow crystal. However, the structure of the mercury complex is different when the solvent to grow crystal is CHCl3. The variable temperature structures of the mercury complexes are investigated. The emission of mercury(II) complexes is also different from the copper(I) complexes. But it also displays faint emission in solution at room-temperature.
URI: http://scholarbank.nus.edu.sg/handle/10635/37503
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