Upconversion Emission from Er3+-Yb3+-Mo6+ Co-Doped ZrO2-Al2O3 Composites

作者：Xiao Yu; Cong Yan^*; Yang Qi; Zhang Zhi-hong; Liu Peng-zu

来源：Spectroscopy and Spectral Analysis, 2013, 33(11): 2913-2916.

DOI：10.3964/j.issn.1000-0593(2013)11-2913-04

• Up conversion
• ZrO2-Al2O3 solid solutions
• Rare earth
• Energy transfer

A series of ZrO2-Al2O3 composites with various compositions were synthesized by co-precipitation method, and the upconversion emission properties of the Er-Yb-Mo co-doped ZrO2-Al2O3 composites were investigated in the present paper. The green UC emission in the Er-Yb-Mo co-doped ZrO2 is an order of magnitude stronger than that of the Er3+ single doped sample. When Al2O3 mixed in ZrO2 crystalline lattice with the most solid solubility, the crystalline ZrO2-Al2O3 solid solutions is tetragonal ZrO2. The UC emission is enhanced 8 times in the ZrO2-Al2O3 solid solutions, which is due to the oxygen vacancies generated in the solid solutions, increasing the energy transfer from Yb3+-MoO42- to Er3+.

• 出版日期2013-11
• 单位大连民族大学