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Citation: JIA Ruo-Kun, HE Dong-Liang, DAI Jie, YANG Wen-Sheng, BAI Yu-Bai. Microwave-assistant Fabrication of Y₂O₃:Er³⁺ Particles[J]. Acta Physico-Chimica Sinica, ;2007, 23(08): 1288-1290. doi: 10.3866/PKU.WHXB20070829 shu

Microwave-assistant Fabrication of Y₂O₃:Er³⁺ Particles

1.
College of Chemical Engineering, Northeast Dianli University, Changchun 132012, P. R. China; College of Chemistry, Jilin University, Changchun 130023, P. R. China

Received Date: 9 March 2007
Available Online: 13 June 2007

Erbiumdoped Y2O3 (Y2O3:Er3+) particles were prepared by microwave method and sol-gel method. Using microwave method the calcining temperature was decreased to 600 ℃. Two upconverting emission bands centered at 550 and 660 nm were presented under 980 nm laser excitation. Samples prepared by microwave method showed a strong red emission and a week green emission, while samples prepared by sol-gel method showed a strong green emission and a week red emission. The results showed that microwave promoted the formation of S6 symmetric structures and the S6 symmetric structures promoted the red emission.
- Upconversion; Microwave preparation; Y2O3
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Microwave-assistant Fabrication of Y2O3:Er3+ Particles

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Microwave-assistant Fabrication of Y₂O₃:Er³⁺ Particles