Investigation of luminescence properties in SiO₂: Tb, Yb upconversion inverse opal

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• 作者：Zhengwen Yang ; ^{yangzw@kmust.edu.cn} ; Dong Yan ; Zhiguo Song ; Dacheng Zhou ; Xue Yu ; Yong Yang ; Zhaoyi Yin ; Lei Yan ; Rongfei Wang ; Hangjun Wu ; Jianbei Qiu ; ^{qiu@kmust.edu.cn}
• 关键词：Photonic band gap ; Photoluminescence ; Upconversion ; Inverse opal
• 刊名：Journal of Luminescence
• 出版年：2012
• 期刊代码：54_00222313
• 类别：ch
• 出版时间：June, 2012
• 卷：132
• 期：6
• 页码：1550-1552
• 文件大小：352 K

摘要

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.