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Preparation and upconversion luminescence of nanocrystalline Gd2O3 : Er3+, Yb3+
Li Yanhong1; Hong Guangyan2; Zhang Yongming1; Dai Caiyun1; Dai Shuping1
2008
Source PublicationJOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION
ISSN1000-2413
Volume23Issue:4Pages:448-451
AbstractNanocrystalline Gd1.77Yb0.2 Er0.03O3 samples were prepared by combustion and precipitation methods. Structures and upconversion luminescence properties of samples were studied. The results of XRD show that all samples are cubic structure, the average crystallite size could be calculated as 23 nm and 39 nm, respectively. The lattice constants were obtained. The FT-IR spectra were measured to investigate the vibrational feature of the samples. Upconversion luminescence spectra of samples under 980 nm laser excitation were investigated. The strong red emission of samples were observed, and attributed to F-4(9/2) -> I-4(15/2) transitions of Er3+ ions, the emission intensity for sample synthesized by precipitation method is stronger compared to that of combustion method. The possible upconversion luminescence mechanisms in nanocrystalline Gd1.77Yb0.2 Er0.03O3 were discussed.
KeywordEMISSION nanocrystalline upconversion luminescence combustion and precipitation methods
Indexed ByCSCD
Language英语
Funding Project[University by Educational Department of Liaoning]
CSCD IDCSCD:3383338
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150238
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.中国科学院
Recommended Citation
GB/T 7714
Li Yanhong,Hong Guangyan,Zhang Yongming,et al. Preparation and upconversion luminescence of nanocrystalline Gd2O3 : Er3+, Yb3+[J]. JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,2008,23(4):448-451.
APA Li Yanhong,Hong Guangyan,Zhang Yongming,Dai Caiyun,&Dai Shuping.(2008).Preparation and upconversion luminescence of nanocrystalline Gd2O3 : Er3+, Yb3+.JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION,23(4),448-451.
MLA Li Yanhong,et al."Preparation and upconversion luminescence of nanocrystalline Gd2O3 : Er3+, Yb3+".JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION 23.4(2008):448-451.
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