The Fabrication of One-Dimensional BaAl₁₂O₁₉:Mn²⁺ Phosphors by Electrospinning Method

Abstract:

One-dimensional BaAl₁₂O₁₉:Mn²⁺ nanofibers were fabricated by electrostatic spinning method. The effects of some factors on the product preparation were investigated, such as the pH value of precursors; the proportion of citric acid; calcination temperatures, and then the optimal synthetic conditions was obtained. The calcination temperatures of optimal sample is only 1100 °C, less about 400 °C than that of the traditional solid state reaction method. X-ray diffraction, scanning electron microscopy, transmission electron microscopy and photoluminescence spectroscopy were adopted to detect the structure, grain size, morphology and optical properties of the nanofibers, respectively. The fiber samples with good crystallinity consist of a great quantity of nanoparticles. The size of each nanoparticle is below 50 nm and the fiber diameter is about 400 nm. Possible formation process of the nanofibers by electrostatic spinning was also discussed.

• Periodical: Materials Science Forum (Volume 852)
• Pages: 565-572
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.852.565
• Online since: April 2016
• Authors: Qi Zheng Dong*, Ling He, Wen Sheng Li, Wei Min Sun
• Keywords: BaAl₁₂O₁₉:Mn²⁺, Electrostatic Spinning, Luminescent Materials, Nanofibers

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