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Enhancement of the NIR Emission of Cr3+-Yb3+ Co-doped La3GaGe5O16 Phosphors by Doping Nd3+ Ions via Efficient Energy Transfer for NIR Spectroscopy Regulation.
Fan, Feiyue; Yu, Shuaishuai; Li, Yanyan; Xu, Yixuan; Song, Yunmei; Yan, Yingjuan; Wu, Haoyang; Wang, Wenjie; Zhao, Lei.
Afiliação
  • Fan F; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Yu S; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Li Y; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Xu Y; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Song Y; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Yan Y; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Wu H; School of Physics and Opto-Electronic Technology, Collaborative Innovation Center of Rare-Earth Optical Functional Materials and Devices Development, Baoji University of Arts and Sciences, Baoji 721016, Shaanxi, P. R. China.
  • Wang W; College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
  • Zhao L; Pillar of Engineering Product Development, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.
Inorg Chem ; 61(34): 13618-13626, 2022 Aug 29.
Article em En | MEDLINE | ID: mdl-35974695
ABSTRACT
The efficient energy transfer in La3GaGe5O16Cr3+, Yb3+/Nd3+ and La3GaGe5O16Cr3+, Yb3+, Nd3+ was investigated in detail. In this phosphor, Cr3+ acts as the energy absorber (250-700 nm) to sensitize Yb3+/Nd3+ in La3GaGe5O16. Under excitation at 418 nm, La3GaGe5O16Cr3+, Yb3+ phosphors exhibited a broad emission band in the near-infrared (NIR) region located at 976 nm (La3GaGe5O16Cr3+, Nd3+ at 1056 nm), which was attributed to the 2F5/2-2F7/2 transition of the Yb3+ ions (2F3/2 → 4I11/2 transition of Nd3+). Moreover, a Nd3+ ion was introduced into La3GaGe5O16Cr3+, Yb3+. The analysis of excitation spectra and decay time proves that Nd3+ acts as a bridging ion in the system. This can be used as a new strategy to enhance the energy transfer in Cr3+, Yb3+ co-doped phosphors, and these phosphors have potential applications in NIR spectroscopy regulation.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Itérbio / Espectroscopia de Luz Próxima ao Infravermelho Idioma: En Ano de publicação: 2022 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Itérbio / Espectroscopia de Luz Próxima ao Infravermelho Idioma: En Ano de publicação: 2022 Tipo de documento: Article