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Developing the properties of new blue phosphors: TiO2-doped Zn2SiO4 |
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| Authors: | Wen-Cheng TzouChien-Chen Diao Cheng-Fu Yang Chin-Guo KuoChien-Jung Huang |
| Affiliation: | a Department of Electro-Optical Engineering, Southern Taiwan University, Tainan, Taiwan, ROC b Department of Electronic Engineering, Kao Yuan University, Kaohsiung, Taiwan, ROC c Department of Chemical and Materials Engineering, National University of Kaohsiung, Kaohsiung, Taiwan, ROC d Department of Industrial Education, National Taiwan Normal University, Taipei, Taiwan, ROC e Department of Applied Physics, National University of Kaohsiung, Kaohsiung, Taiwan, ROC |
| Abstract: | 2ZnO + SiO2 + X mol% TiO2 (Zn2SiO4-X-TiO2, 1 ≤ X ≤ 3) and 2ZnO + SiO2 + 3 mol% MnO2 (Zn2SiO4-3-TiO2) compositions were prepared using nanoscale ZnO, SiO2, TiO2, and MnO2 particles. The mixing powders were calcined between 1000 °C and 1300 °C in a N2 atmosphere. Zn2SiO4 was the only phase in the calcined Zn2SiO4-X-TiO2 phosphors. We found that the photoluminescence (PL) properties of synthesized Zn2SiO4-X-TiO2 phosphors revealed these to be blue rather than green. The effects of TiO2 content and calcining temperature on the PL properties of Zn2SiO4-X-TiO2 phosphors were rigorously investigated. |
| Keywords: | C. Optical properties Nanostructures Photoluminescence spectroscopy |
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