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Combustion Synthesis, Characterization and Luminescence Properties of Barium Aluminate Phosphor by A.H. Wako; F.B Dejene; H.C Swart is a Materials Science article available to read on EtoBox.
What is Combustion Synthesis, Characterization and Luminescence Properties of Barium Aluminate Phosphor about?
The blue-green emitting \(\mathrm{Eu}^{2+}\) and \(\mathrm{Nd}^{3+}\) doped polycrystalline barium aluminate \(\left(\mathrm{BaAl}_{2} \mathrm{O}_{4}: \mathrm{Eu}^{2+}, \mathrm{Nd}^{3+}\right)\) phosphor, was prepared by a solution-combustion method at \(500{ }^{\circ} \mathrm{C}\) without a post-annealing process. The characteristic variation in the structural and luminescence properties of the as-prepared samples was evaluated with regards to a change in the \(\mathrm{Ba} / \mathrm{Al}\) molar ratio from 0.1:1 to 1.4:1. The morphologies and the phase structures of the products were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), while the optical properties were investigated using ultra-violet (UV) and photoluminescence (PL) spectroscopy, respectively. The XRD and TEM results revealed that the average crystallite size of the \(\mathrm{BaAl}_{2} \mathrm{O}_{4}: \mathrm{Eu}^{2+}, \mathrm{Nd}^{3+}\) phosphor was about \(70 \mathrm{~nm}\). The broad-band UV-excited luminescence of the phosphors was observed at \(\lambda_{\max }=500 \mathrm{~nm}\) due to transitions from th
Who reads Combustion Synthesis, Characterization and Luminescence Properties of Barium Aluminate Phosphor?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- A.H. Wako; F.B Dejene; H.C Swart
- Publisher
- Elsevier BV
- Published
- 2014
- Language
- EN
- Field
- Materials Science (Physical Sciences)