Effects of Ca Content on Formation and Photoluminescence Properties of CaAlSiN3:Eu2+ Phosphor by Combustion Synthesis
Abstract
:1. Introduction
2. Results and Discussion
2.1. Effects of Ca Content on Product Formation and Morphology
2.2. Effects of Ca Content on Photoluminescence Properties
3. Experimental Section
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Reactant Composition | Cationic Molar Ratios of the Products | ||||||
---|---|---|---|---|---|---|---|
Ca (Y) | Al | Si | Eu | Ca | Al | Si | Eu |
0.25 | 1.00 | 1.00 | 0.02 | 0.12 | 1.06 | 1.00 | 0.010 |
0.75 | 1.00 | 1.00 | 0.02 | 0.35 | 1.19 | 1.00 | 0.011 |
1.00 | 1.00 | 1.00 | 0.02 | 0.57 | 1.14 | 1.00 | 0.013 |
1.38 | 1.00 | 1.00 | 0.02 | 0.64 | 1.15 | 1.00 | 0.014 |
1.50 | 1.00 | 1.00 | 0.02 | 0.77 | 1.18 | 1.00 | 0.015 |
1.68 | 1.00 | 1.00 | 0.02 | 0.88 | 1.11 | 1.00 | 0.018 |
Reactant Composition | Cationic Molar Ratios of the Products | ||||||
---|---|---|---|---|---|---|---|
Ca (Y) | Al | Si | Eu | Ca | Al | Si | Eu |
0.25 | 1.00 | 1.00 | 0.02 | 0.26 | 0.68 | 1.00 | 0.004 |
0.75 | 1.00 | 1.00 | 0.02 | 0.39 | 0.73 | 1.00 | 0.006 |
1.00 | 1.00 | 1.00 | 0.02 | 0.60 | 0.71 | 1.00 | 0.007 |
1.38 | 1.00 | 1.00 | 0.02 | 0.83 | 0.81 | 1.00 | 0.013 |
1.50 | 1.00 | 1.00 | 0.02 | 0.86 | 0.87 | 1.00 | 0.013 |
1.68 | 1.00 | 1.00 | 0.02 | 0.88 | 0.90 | 1.00 | 0.011 |
Reagent | Particle Size (um) | Purity (%) | Source |
---|---|---|---|
Si | 1–5 | 99 | Alfa Aesar (Ward Hill, MA, USA) |
Ca | <963 | 99.5 | Alfa Aesar (Heysham, England) |
Eu2O3 | 3.0 | 99.999 | Baogang Group (Baotou, China) |
NaN3 | d50 ≈ 150 | 99 | Johnson Matthey (Tokyo, Japan) |
NH4Cl | - | 99 | Panreac (Barcelona, Spain) |
Al | d50 ≈ 3 | 99 | First Chemical Work (Taipei, Taiwan) |
α-Si3N4 | d50 ≈ 10 | 99.999 | Seminc Company (Ward Hill, MA, USA) |
Mg | d50 ≈ 20 | 99 | Nihon Shiyaku (Osaka, Japan) |
Fe3O4 | 102 | 99 | Nihon Shiyaku (Osaka, Japan) |
N2 | Gas | 99 | Yun Shan (Tainan, Taiwan) |
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Chung, S.-L.; Huang, S.-C. Effects of Ca Content on Formation and Photoluminescence Properties of CaAlSiN3:Eu2+ Phosphor by Combustion Synthesis. Materials 2016, 9, 178. https://doi.org/10.3390/ma9030178
Chung S-L, Huang S-C. Effects of Ca Content on Formation and Photoluminescence Properties of CaAlSiN3:Eu2+ Phosphor by Combustion Synthesis. Materials. 2016; 9(3):178. https://doi.org/10.3390/ma9030178
Chicago/Turabian StyleChung, Shyan-Lung, and Shu-Chi Huang. 2016. "Effects of Ca Content on Formation and Photoluminescence Properties of CaAlSiN3:Eu2+ Phosphor by Combustion Synthesis" Materials 9, no. 3: 178. https://doi.org/10.3390/ma9030178