Controlled synthesis, formation mechanism, and great enhancement of red upconversion luminescence of NaYF4:Yb3+, Er3+ nanocrystals/submicroplates at low doping level

Strong red upconversion luminescence of rare-earth ions doped in nanocrystals is desirable for the biological/biomedical applications. In this paper, we describe the great enhancement of red upconversion emission (4F9/2 --> I15/2 transition of Er3+ ion) in NaYF4:Yb3+, Er3+ nanocrystals at low dop...

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Vydané v:	The journal of physical chemistry. B Ročník 112; číslo 49; s. 15666 - 15672
Hlavní autori:	Zhao, Junwei, Sun, Yajuan, Kong, Xianggui, Tian, Lijin, Wang, Yu, Tu, Langping, Zhao, Jialong, Zhang, Hong
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	United States 11.12.2008
Predmet:	Cations Citric Acid - chemistry Color Erbium - chemistry Luminescence Metal Nanoparticles - chemistry Metal Nanoparticles - ultrastructure Microscopy, Electron, Scanning Microscopy, Electron, Transmission Spectroscopy, Fourier Transform Infrared Temperature X-Ray Diffraction Ytterbium - chemistry
ISSN:	1520-6106
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