Investigation of luminescence properties in SiO2: Tb,Yb upconversion inverse opal |
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| Authors: | Zhengwen Yang Dong Yan Zhiguo Song Dacheng Zhou Xue Yu Yong Yang Zhaoyi Yin Lei Yan Rongfei Wang Hangjun Wu Jianbei Qiu |
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| Institution: | Key Laboratory of Advanced Materials in Rare & Precious and Non-ferrous Metals, Ministry of Education, Key Laboratory of Advanced Materials of Yunnan Province, College of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China |
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| Abstract: | The SiO2: Tb, Yb inverse opals with photonic band gap at 465 or 543 nm were prepared, and an effect of photonic band gap on upconversion spontaneous emission from Tb3+ was investigated. The results show that the photonic band gap has a significant influence on the upconversion emission of the SiO2: Tb, Yb inverse opals. The upconversion luminescence of the Tb3+ ions is suppressed in the inverse opal compared with the luminescence of that of the reference sample. |
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