3 years ago

Improvement of Green Upconversion Monochromaticity by Doping Eu3+ in Lu2O3:Yb3+/Ho3+ Powders with Detailed Investigation of the Energy Transfer Mechanism

Improvement of Green Upconversion Monochromaticity by Doping Eu3+ in Lu2O3:Yb3+/Ho3+ Powders with Detailed Investigation of the Energy Transfer Mechanism
Zhiwei Gu, Yongshi Luo, Xianju Zhou, Sha Jiang, Wen Liu, Yan Ma, Jiahua Zhang, Guotao Xiang, Xiaobing Luo, Jiapeng Wang, Li Li
The green UC monochromaticity has been improved by Eu3+ doping in Lu2O3:Yb3+/Ho3+. An analysis of the steady state fluorescence spectra and the decay curves indicates that the main approaches for populating the red-emitting Ho3+ 5F5 level are the ET process from the Yb3+ 2F5/2 level to the Ho3+ 5I7 level and the cross-relaxation process between two Ho3+ ions in the 5F4/5S2 level and 5I7 level, respectively.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b01236

DOI: 10.1021/acs.inorgchem.7b01236

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