Abstract
A series of monometallic Sm(III) complexes have been prepared with trifluorinated β-diketone and N-donor Lewis bases. The structure of the complexes was characterized by spectroscopic techniques. Electrochemical and photophysical properties affirmed the conducting nature of the prepared complexes. In the absorption spectral profile of complexes the broad ligand dependent band has appeared due to absorption by chelating moiety. The emission profile of the complexes demonstrated peaks centred on Sm(III) ion which is corresponding to 4H5/2 to 6HJ transition. Synthesized complexes show emission peak at ∼ 648 nm corresponding to the 4G5/2→6H9/2 transition is responsible for the orange-red emissive character of Sm(III) complexes. Also, the colorimetric analysis supports the outcomes of photoluminescence study and confirmed the luminescent nature of prepared Sm(III) complexes. These synthesized materials owing to their conductive and emissive nature could be useful in preparing display devices.
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