Optoelectronic Technology, Volume. 44, Issue 1, 19(2024)
Preparation of SiO2 Photonic Crystal and its Application on Enhancing Conversion Luminescence
Figures & Tables(10)
Fig. 3. SEM images of silica at different reaction temperatures， and inserts show particle size distribution
Fig. 4. SEM images of different dosage of TEOS on SiO2 particle size and its distribution，and inserts show particle size distribution
Fig. 5. SEM images of photonic crystal at different self assemble temperatures
Fig. 6. Transmission spectra of SiO2 photonic crystals with different particle sizes
Fig. 7. SEM images of SiO2 photonic crystal with different photonic band gaps
Fig. 8. The upconversion luminescence spectra of different films excited at 980 nm at room temperature and their lifetime maps
Table 1. Effect of different reagent dosage and reaction temperature on SiO2 particle size
View tableView in ArticleTable 1. Effect of different reagent dosage and reaction temperature on SiO2 particle size
编号 TEOS/
ml
氨水/
ml
乙醇/
ml
去离子水/ml 反应
温度/(℃)
平均
粒径/ml
1 6 6 64 29 30 259 2 6 6 64 29 50 224 3 6 6 64 29 70 209 4 9.5 8 64 29 30 398 5 10.5 8 64 29 30 407 6 11.5 8 64 29 30 415
Table 2. Actual and theoretical photonic band gaps of photonic crystals with different sizes
View tableView in ArticleTable 2. Actual and theoretical photonic band gaps of photonic crystals with different sizes
编号 平均粒径/nm 理论值/nm 实际值/nm 1 230 522 560 2 280 639 640 3 415 936 975
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Mingjie CHEN, Piaopiao ZHENG. Preparation of SiO2 Photonic Crystal and its Application on Enhancing Conversion Luminescence[J]. Optoelectronic Technology, 2024, 44(1): 19
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Received: Jun. 14, 2023
Accepted: --
Published Online: Jul. 18, 2024
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