Well-Defined BaWO₄:Dy³⁺ Luminescent Materials: Hydrothermal Synthesis and Luminescence Properties

Abstract:

Uniform and well-dispersed ellipsoidal BaWO₄:Dy³⁺ particles have been prepared via a simple hydrothermal method. The as-obtained particles are non-aggregated with narrow size distribution and are composed of closely packed nanoparticles. During the hydrothermal process, the chelating agent trisodium citrate plays an important role for the formation of BaWO₄:Dy³⁺ hierarchical ellipsoidal particles. The BaWO₄:Dy³⁺ phosphor shows intense yellow emission corresponding to ⁴F₉/₂-⁶H_13/2 transition of the Dy³⁺ ions under ultraviolet light excitation, which may find potential applications in fields of fluorescent lamps, display systems, and optoelectronic devices.

• Periodical: Advanced Materials Research (Volumes 998-999)
• Pages: 128-131
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.998-999.128
• Online since: July 2014
• Authors: Guang Jia*, Dong Bing Dong, Jing Yi Liu, Quan Ying Kang, Cui Miao Zhang
• Keywords: BaWO₄:Dy³⁺, Ellipsoidal Particles, Hydrothermal Synthesis, Luminescence Properties

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