Title of article
Doped aluminium based spinels synthesized by a soft chemistry method
Author/Authors
Mindru، نويسنده , , Ioana and Marinescu، نويسنده , , Gabriela and Gingasu، نويسنده , , Dana and Patron، نويسنده , , Luminita and Diamandescu، نويسنده , , Lucian and Ghica، نويسنده , , Corneliu and Mironov، نويسنده , , Brandusa Alina Petre، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2010
Pages
8
From page
99
To page
106
Abstract
Structural and optical properties of (Co0.01Zn0.99)Al2O4 and Zn(Al1.99Ln0.01)O4 (where Ln(III) = Eu(III), Tb(III)) spinels obtained by a variant of the complexation method—tartarate route were studied. The tartarate precursors have been characterized by IR, UV–vis and luminescence spectroscopy. The doped aluminium based spinels have been investigated by X-ray diffraction (XRD), transsmision electron microscopy (TEM), infrared spectroscopy (IR), ultraviolet visible spectroscopy (UV–vis) and luminescence spectroscopy. Pure spinel nanometer powders were obtained. Under excitation at 380 nm the nanoparticles exhibits strong luminescence corresponding to 5D0 → 7F2 transition of Eu3+ ions and respectively, to 5D4 → 7Fj (j = 3, 4, 5, 6) transition of Tb3+ ions. No blue emission from the 5D3 state were observed.
Keywords
Tartarate precursors , Complexation method , Nanoparticles , Doped spinel aluminates
Journal title
MATERIALS SCIENCE & ENGINEERING: B
Serial Year
2010
Journal title
MATERIALS SCIENCE & ENGINEERING: B
Record number
2147639
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