V. Taxak, R. Kumar, J. K. Makrandi
Jul 1, 2010
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Abstract
Abstract The novel complexes Eu( L ) 3 ·2H 2 O and Tb( L ) 3 ·2H 2 O (where L = 2′-hydroxy-4′,6′-dimethoxyacetophenone) were synthesized and characterized by infrared spectroscopy, 1 H NMR spectroscopy, TGA/DTA, scanning electron microscopy, elemental analysis and energy dispersive analysis (EDX). The Eu( L ) 3 ·2H 2 O on excitation at 354 nm emits bright red luminescent with main peak at 612 nm and Tb( L ) 3 ·2H 2 O on excitation at 354 nm emits bright green luminescence with main peak at 547 nm. The luminescence intensity of Eu( L ) 3 ·2H 2 O is higher than Tb( L ) 3 ·2H 2 O. These complexes emitting red and green luminescence might be used to make the OLEDs for display applications.