Luminescent properties of europium and terbium complexes with 2′-hydroxy-4′,6′-dimethoxyacetophenone

The novel complexes Eu(L)3·2H2O and Tb(L)3·2H2O (where L = 2′-hydroxy-4′,6′-dimethoxyacetophenone) were synthesized and characterized by infrared spectroscopy, 1H NMR spectroscopy, TGA/DTA, scanning electron microscopy, elemental analysis and energy dispersive analysis (EDX). The Eu(L)3·2H2O on excitation at 354 nm emits bright red luminescent with main peak at 612 nm and Tb(L)3·2H2O on excitation at 354 nm emits bright green luminescence with main peak at 547 nm. The luminescence intensity of Eu(L)3·2H2O is higher than Tb(L)3·2H2O. These complexes emitting red and green luminescence might be used to make the OLEDs for display applications.