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Facile Synthesis and Effect of Eu, Tb Co-doping On the Tunable Luminescent Properties of YBO3

Published online by Cambridge University Press:  18 March 2013

Xianwen Zhang ,
Archis Marathe ,
Sandeep Sohal ,
Mark Holtz ,
Marauo Davis ,
Louisa J. Hope-Weeks  and
Jharna Chaudhuri
Xianwen Zhang
Affiliation:
Department of Mechanical Engineering, Texas Tech University, Lubbock,Texas, USA.
Archis Marathe
Affiliation:
Department of Mechanical Engineering, Texas Tech University, Lubbock,Texas, USA.
Sandeep Sohal
Affiliation:
Department of Physics, Texas Tech University, Lubbock, Texas, USA.
Mark Holtz
Affiliation:
Department of Physics, Texas Tech University, Lubbock, Texas, USA.
Marauo Davis
Affiliation:
Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, USA.
Louisa J. Hope-Weeks
Affiliation:
Department of Chemistry & Biochemistry, Texas Tech University, Lubbock, Texas, USA.
Jharna Chaudhuri
Affiliation:
Department of Mechanical Engineering, Texas Tech University, Lubbock,Texas, USA.
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Abstract

Eu3+/Tb3+co-doped YBO3 three-dimensional (3D) microstructures have been hydrothermally prepared by adjusting solvent and the molar ratio of Y3+ to B (Y/B) at 180 °C. The whole process was carried out under alkaline conditions without the use of any surfactant or catalyst. Characterizations of the samples are carried out using X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and high-resolution TEM (HRTEM). The photoluminescence (PL) colors of YBO3 sample co-doped with Eu3+ and Tb3+ under ultraviolet excitation can be tuned from red, through yellow and green-yellow, to green by changing the relative doping concentrations of the two activator ions. These phosphors with multicolor emissions in the visible region be potentially used as labels for light-display systems, optoelectronic devices and biological molecules.

Keywords

hydrothermalluminescencedopant
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1497: Symposium K – Hierarchically Structured Materials for Energy Conversion and Storage , 2013 , mrsf12-1497-k03-24
Copyright
Copyright © Materials Research Society 2013

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