Title :
Blue and Green Upconversion Emission Modification in Tb, Yb Co-Doped Y2Ti2O7 Inverse Opal
Author :
Yan, Dong ; Qiu, Jianbei ; Song, Zhiguo ; Zhou, Dacheng ; Yu, Xue ; Yang, Yong ; Wang, Rongfei ; Wu, Hangjun ; Yin, Zhaoyi ; Yang, Zhengwen
Author_Institution :
Sch. of Mater. Sci. & Eng., Kunming Univ. of Sci. & Technol., Kunming, China
Abstract :
We obtained upconversion light-emitting photonic materials (Y2Ti2O7: Tb, Yb) with an inverse opal structure by a self-assembly technique in combination with a sol-gel method, and investigated their upconversion emission properties. The results showed that the photonic band gap has a significant influence on the upconversion emission of Yb, Tb co-doped Y2Ti2O7 inverse opal photonic crystals. Significant suppression of the blue or green upconversion emission was detected if the photonic band gap overlapped with the Tb3+ ions emission band.
Keywords :
fluorescence; nanofabrication; nanostructured materials; photonic band gap; photonic crystals; self-assembly; sol-gel processing; terbium; ytterbium; yttrium compounds; Tb3+ ions emission band; Y2Ti2O7:Tb,Yb; blue upconversion emission modification; fluorescence; green upconversion emission modification; inverse opal photonic crystals; inverse opal structure; photonic band gap; self-assembly; sol-gel method; upconversion emission properties; upconversion light-emitting photonic materials; Glass; Photonic band gap; Scanning electron microscopy; Spontaneous emission;
Conference_Titel :
Photonics and Optoelectronics (SOPO), 2012 Symposium on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4577-0909-8
DOI :
10.1109/SOPO.2012.6270541
