Journal
RSC ADVANCES
Volume 11, Issue 48, Pages 30305-30314Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra04800g
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Funding
- JSPS KAKENHI [JP19H02500, JP20J20823]
- JSPS Core-to-Core Program
- Information Center of Particle Technology, Japan
- Hosokawa Powder Technology Foundation
- Foundation for the Promotion of Industrial Explosives Technology
- Kato Foundation for the Promotion of Science [KS-3229]
- RISTEK-BRIN (Grant: Penelitian Terapan Unggulan Perguruan Tinggi)
- World Class University Program, Universitas Pendidikan Indonesia
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This study demonstrated the preparation of spherical submicron YAG:Ce particles and investigated the correlation between particle outer diameter, crystallite size, and photoluminescence performance. Results showed that larger particle outer diameters allowed for better PL performance, but excessively large diameters could lead to scattering issues. This study provides valuable information for optimizing synthesis parameters in controlling particle characteristics for various applications such as lenses, solar cells, and LEDs.
The purpose of this study was to demonstrate the preparation of spherical submicron YAG:Ce particles with controllable particle outer diameters and crystallite sizes and their photoluminescence (PL) properties, which were produced using a flame-assisted spray-pyrolysis method followed by the annealing process. The correlation of particle outer diameter, crystallite size, and PL performance of the prepared particles was also investigated. Experimental results showed that the increases in the particle outer diameters have an impact on the obtainment of higher PL performance. Large particle outer diameters permitted the crystallites to grow more, whereas this is in contrast to the condition for small particle outer diameter having limitations in crystallite growth. This study also found that too large outer diameter (>557 nm) was not effective since crystallites cannot grow anymore and it permits possible scattering problems. This study provides significant information for optimizing synthesis parameters for controlling particle outer diameters and crystallite sizes, which could be relevant to other functional properties, especially for lens, solar cell, and LED applications.
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