Investigation of the mechanism of upconversion luminescence in Er3+/Yb3+ co-doped Bi2Ti2O7 inverse opal

Dong Yan; Zhengwen Yang; Jiayan Liao; Hangjun Wu; Jianbei Qiu; Zhiguo Song; Dacheng Zhou; Yong Yang; Zhaoyi Ying

doi:10.3788/col201311.041602

Journals >Chinese Optics Letters >Volume 11 >Issue 4 >Page 041602 > Article

Chinese Optics Letters
Vol. 11, Issue 4, 041602 (2013)

Investigation of the mechanism of upconversion luminescence in Er3+/Yb3+ co-doped Bi2Ti2O7 inverse opal

Dong Yan, Zhengwen Yang, Jiayan Liao, Hangjun Wu, Jianbei Qiu, Zhiguo Song, Dacheng Zhou, Yong Yang, and Zhaoyi Ying

DOI: 10.3788/col201311.041602 Cite this Article Set citation alerts

Dong Yan, Zhengwen Yang, Jiayan Liao, Hangjun Wu, Jianbei Qiu, Zhiguo Song, Dacheng Zhou, Yong Yang, Zhaoyi Ying. Investigation of the mechanism of upconversion luminescence in Er3+/Yb3+ co-doped Bi2Ti2O7 inverse opal[J]. Chinese Optics Letters, 2013, 11(4): 041602 Copy Citation Text

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Abstract

Three-dimensional-ordered Yb/Er co-doped Bi2Ti2O7 inverse opal, powder, and disordered reference samples are prepared and their upconversion (UC) emission properties and mechanisms are investigated. Significant suppression of UC emission is detected when the photonic band-gaps overlap with Er3+ UC green emission bands. Interestingly, green and red UC emissions follow a two-photon process in the powder sample but a three-photon one in the inverse opal.

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