Synthesis and luminescence properties of ternary complexes of Sm x Tb1−x (TTA)3Phen nanoparticles and their surface modification
Source abstract
Abstract
A series of Sm x Tb1−x (TTA)3Phen (x = 1.0, 0.9, 0.7, 0.5, 0.3, 0.1, 0) complexes was synthesized by wet chemical method and characterized using Fourier transform infrared spectroscopy and fluorescence spectroscopy. The IR absorption spectra indicate that α-thenoyltrifluoroacetone was coordinated to the rare earth ions and that chemical bonds were formed between rare earth ions and the nitrogen atoms in 1,10-Phenanthroline (Phen). The fluorescence spectra of the complexes indicate that the emission intensity of Sm3+ was enhanced by the addition of substitutive Tb3+. These data show that not only the ligands (TTA and Phen) but also Tb3+ could absorb and transmit energy to Sm3+ in the complexes. Formation of dual-core complexes appears to be responsible for co-fluorescence, which can greatly promote the illuminant ability of Sm (TTA)3Phen complex. After further encapsulation by SiO2, the Sm x Tb1−x (TTA)3Phen@SiO2 core–shell structure was very stable to UV light.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Lanthanide and Transition Metal Complexes · Organometallic Complex Synthesis and Catalysis · Magnetism in coordination complexes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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