نتایج جستجو برای: europium oxide
تعداد نتایج: 178100 فیلتر نتایج به سال:
In this work, we investigate the efficient energy transfer occurring between ZnO nanocrystals (ZnO-nc) and europium (Eu(3+)) ions embedded in a SiO2 matrix prepared using the sol-gel technique. We show that a strong red emission was observed at 614 nm when the ZnO-nc were excited using a continuous optical excitation at 325 nm. This emission is due to the radiative (5)D0 → (7)F2 de-excitation o...
Integrating epitaxial and ferromagnetic Europium Oxide (EuO) directly on silicon is a perfect route to enrich silicon nanotechnology with spin filter functionality. To date, the inherent chemical reactivity between EuO and Si has prevented a heteroepitaxial integration without significant contaminations of the interface with Eu silicides and Si oxides. We present a solution to this long-standin...
A novel europium(III) membrane luminescence sensor based on a tridentate bis(phosphinic amide)-phosphine oxide, PhPO(C(6)H(4)POPhN(CH(CH(3))(2))(2))(2) (1), is described. The new luminescent complex, [Eu(1)(2)]Cl(3)2, which is formed between europium(III) and ligand 1 and has a 1 : 2 stoichiometry, has been evaluated in solution. It has the excellent spectroscopic and chemical characteristics t...
In this study, the electrochemiluminescence (ECL) interaction of clindamycin and tris(2,2′-bipyridine)ruthenium(II) (Ru(bpy)32+) was used to develop a sensitive tool for the detection of clindamycin based on modifying a glassy carbon electrode (GCE) with nanoparticles of europium oxide. The experiments showed that in the presence of these inorganic nanoparticles (Eu2<...
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