Facile fabrication and upconversion luminescence enhancement of LaF3:Yb3+/Ln3+@SiO2 (Ln = Er, Tm) nanostructures decorated with Ag nanoparticles.
Identifieur interne : 000215 ( PubMed/Curation ); précédent : 000214; suivant : 000216Facile fabrication and upconversion luminescence enhancement of LaF3:Yb3+/Ln3+@SiO2 (Ln = Er, Tm) nanostructures decorated with Ag nanoparticles.
Auteurs : Enjie He ; Hairong Zheng ; Jun Dong ; Wei Gao ; Qingyan Han ; Junna Li ; Le Hui ; Ying Lu ; Huani TianSource :
- Nanotechnology [ 1361-6528 ] ; 2014.
Descripteurs français
- KwdFr :
- Analyse des éléments finis, Argent (), Diagnostic par imagerie, Diffraction des rayons X, Erbium (), Lanthane (), Luminescence, Microscopie électronique à transmission, Nanoparticules métalliques (), Nanotechnologie (), Résonance plasmonique de surface, Silanes (), Silice (), Spectrophotométrie UV, Spectroscopie infrarouge à transformée de Fourier, Spectroscopie photoélectronique, Spectroscopie proche infrarouge, Thulium (), Énergie solaire.
- MESH :
- Analyse des éléments finis, Argent, Diagnostic par imagerie, Diffraction des rayons X, Erbium, Lanthane, Luminescence, Microscopie électronique à transmission, Nanoparticules métalliques, Nanotechnologie, Résonance plasmonique de surface, Silanes, Silice, Spectrophotométrie UV, Spectroscopie infrarouge à transformée de Fourier, Spectroscopie photoélectronique, Spectroscopie proche infrarouge, Thulium, Énergie solaire.
English descriptors
- KwdEn :
- Diagnostic Imaging, Erbium (chemistry), Finite Element Analysis, Lanthanum (chemistry), Luminescence, Metal Nanoparticles (chemistry), Microscopy, Electron, Transmission, Nanotechnology (methods), Photoelectron Spectroscopy, Silanes (chemistry), Silicon Dioxide (chemistry), Silver (chemistry), Solar Energy, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared, Spectroscopy, Near-Infrared, Surface Plasmon Resonance, Thulium (chemistry), X-Ray Diffraction.
- MESH :
- chemical , chemistry : Erbium, Lanthanum, Silanes, Silicon Dioxide, Silver, Thulium.
- chemistry : Metal Nanoparticles.
- methods : Nanotechnology.
- Diagnostic Imaging, Finite Element Analysis, Luminescence, Microscopy, Electron, Transmission, Photoelectron Spectroscopy, Solar Energy, Spectrophotometry, Ultraviolet, Spectroscopy, Fourier Transform Infrared, Spectroscopy, Near-Infrared, Surface Plasmon Resonance, X-Ray Diffraction.
Abstract
A novel hybrid nanostructure, that is a Ag nanoparticle decorated LaF(3):Yb(3+)/Ln(3+)@SiO(2) nanosphere (Ln=Er, Tm), was constructed by a facile strategy, and characterized by XRD, TEM, FTIR, XPS and UV-vis-NIR absorption. Obvious spectral broadening and red-shift on the surface plasmon resonance were obtained by adjusting the size and configuration of Ag nanoparticles. Effective upconversion luminescence enhancements for Er(3+) and Tm(3+) containing samples were obtained. It is suggested that the luminescence enhancement results from both the excitation and emission processes, and the configuration of the studied hybrid nanostructure is an efficient system to enhance the luminescence emission of rare earth doped nanomaterials. It is believed that the enhancement from the hybrid nanostructure will find great potential in the development of photovoltaic solar cells.
DOI: 10.1088/0957-4484/25/4/045603
PubMed: 24398901
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<front><div type="abstract" xml:lang="en">A novel hybrid nanostructure, that is a Ag nanoparticle decorated LaF(3):Yb(3+)/Ln(3+)@SiO(2) nanosphere (Ln=Er, Tm), was constructed by a facile strategy, and characterized by XRD, TEM, FTIR, XPS and UV-vis-NIR absorption. Obvious spectral broadening and red-shift on the surface plasmon resonance were obtained by adjusting the size and configuration of Ag nanoparticles. Effective upconversion luminescence enhancements for Er(3+) and Tm(3+) containing samples were obtained. It is suggested that the luminescence enhancement results from both the excitation and emission processes, and the configuration of the studied hybrid nanostructure is an efficient system to enhance the luminescence emission of rare earth doped nanomaterials. It is believed that the enhancement from the hybrid nanostructure will find great potential in the development of photovoltaic solar cells.</div>
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<Abstract><AbstractText>A novel hybrid nanostructure, that is a Ag nanoparticle decorated LaF(3):Yb(3+)/Ln(3+)@SiO(2) nanosphere (Ln=Er, Tm), was constructed by a facile strategy, and characterized by XRD, TEM, FTIR, XPS and UV-vis-NIR absorption. Obvious spectral broadening and red-shift on the surface plasmon resonance were obtained by adjusting the size and configuration of Ag nanoparticles. Effective upconversion luminescence enhancements for Er(3+) and Tm(3+) containing samples were obtained. It is suggested that the luminescence enhancement results from both the excitation and emission processes, and the configuration of the studied hybrid nanostructure is an efficient system to enhance the luminescence emission of rare earth doped nanomaterials. It is believed that the enhancement from the hybrid nanostructure will find great potential in the development of photovoltaic solar cells.</AbstractText>
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