Synthesis, spectral, and thermal characterizations of Ni(II) and Cu(II) β-diketone complexes with thenoyltrifluoroacetone ligand

Two kinds of nickel(II) and copper(II) β-diketone complexes derived from thenoyltrifluoroacetone ligand with blue–violet light absorption were synthesized by reacting free ligand and different metal(II) ions in sodium methoxide solution. Their structures were postulated based on elemental analysis, ESI-MS, FT-IR spectra and UV–vis electronic absorption spectra. Smooth films on K9 glass substrates were prepared using the spin-coating method. Their solubility in organic solvents, absorption properties of thin film and thermal stability of these complexes were evaluated.