| 光谱学与光谱分析 |
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| Upconversion of Oxide Y2O3 Doped with (Yb3+,Er3+) Ions with 978 nm Excitation |
| LIU Huang-qing, WANG Ling-ling, LI Hong-jian |
| Department of Applied Physics, Hunan University, Changsha 410082, China |
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Abstract Two nanomaterials Y2O3: Er3+ and Y2O3:(Yb3+, Er3+) were prepared by combustion on the basis of reagents Y2O3, Yb2O3 and Er2O3. The corresponding host Y2O3:(Yb3+, Er3+) was obtained by increasing calcination temperature. Upconversion emission was obtained under 978 nm LD excitation. Comparing nanopowder oxide Y2O3:Er3+ with nanometer materials Y2O3:(Yb3+, Er3+) with respect to upconversion spectra, the upconversion emission of the former mainly was green upconversion and that of the latter mainly red light. However, the upconversion emission of nanopowder Y2O3:(Yb3+, Er3+) was different from that of its corresponding host, with main red upconversion emission for the former but main green upconversion emission on the latter.
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Received: 2005-04-30
Accepted: 2005-10-20
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Corresponding Authors:
LIU Huang-qing
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| Cite this article: |
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LIU Huang-qing,WANG Ling-ling,LI Hong-jian. Upconversion of Oxide Y2O3 Doped with (Yb3+,Er3+) Ions with 978 nm Excitation [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(08): 1396-1399.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I08/1396 |
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