Upconversion emission of SrYbF5：Er3＋nanosheets modified by Tm3＋ions

Through a hydrothermal route, the Er3＋and Tm3＋co-doped SrYbF5 nanosheets were synthesized. The resulting samples were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and luminescence spec-tra. Under the excitation of 980 nm laser irradiation, th...

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Published inJournal of rare earths Vol. 31; no. 11; pp. 1053 - 1058
Main Author 刘晴 颜晓红 陈远 王祥夫
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.2013
Subjects
Emission spectroscopy
Er3
Luminescence
Nanocomposites
Nanomaterials
nanosheets
Nanostructure
Rare earth metals
rare earths
Spectra
Tm3
Upconversion
X射线光谱
X射线衍射
上转换发光
扫描电子显微镜
离子修饰
纳米
能量色散
铒离子
upconversion
luminescence
Tm3
Er3
nanosheets
rare earths
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Summary:Through a hydrothermal route, the Er3＋and Tm3＋co-doped SrYbF5 nanosheets were synthesized. The resulting samples were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and luminescence spec-tra. Under the excitation of 980 nm laser irradiation, the upconversion emissions of Tm3＋ions centered at 474 nm （1G4→3H6）, 679 nm （3F2→3H6）, 699 nm （3F3→3H6）, 803 nm （3H4→3H6） and emissions of Er3＋ions centered at 522 nm （2H11/2→4I15/2）, 543 nm （4S3/2→4I15/2）, 654 nm （4F9/2→4I15/2） were observed. The upconversion emissions of Er3＋ions were adjusted by the concentration of Tm3＋ions. The energy transfer mechanisms among Er3＋-Yb3＋-Tm3＋in SrYbF5 nanosheets were discussed.
Bibliography:Through a hydrothermal route, the Er3＋and Tm3＋co-doped SrYbF5 nanosheets were synthesized. The resulting samples were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy and luminescence spec-tra. Under the excitation of 980 nm laser irradiation, the upconversion emissions of Tm3＋ions centered at 474 nm （1G4→3H6）, 679 nm （3F2→3H6）, 699 nm （3F3→3H6）, 803 nm （3H4→3H6） and emissions of Er3＋ions centered at 522 nm （2H11/2→4I15/2）, 543 nm （4S3/2→4I15/2）, 654 nm （4F9/2→4I15/2） were observed. The upconversion emissions of Er3＋ions were adjusted by the concentration of Tm3＋ions. The energy transfer mechanisms among Er3＋-Yb3＋-Tm3＋in SrYbF5 nanosheets were discussed.
11-2788/TF
LIU Qing YAN Xiaohong CHEN Yuan WANG Xiangfu （1. College of Science, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China; 2. School of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210046, China）
nanosheets; upconversion; luminescence; Er3＋; Tm3＋; rare earths
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1002-0721
2509-4963
DOI:10.1016/S1002-0721(12)60402-5