Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals

Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals

Glass ceramics containing Yb3+, Er3+ codoped Ba2LaF7 nanocrystals were fabricated via melt quenching method and the subsequent heating treatment. The formation of Ba2LaF7 nanocrystals in the glass ceramics was confirmed by X-ray diffraction (XRD) and transmission electron microscope (TEM). The spont...

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Main Authors: Sai Li, Wei Lu, Qihua Yang, Dacheng Zhou, Jianbei Qiu, Xuhui Xu, Xue Yu
Format: Article
Language:English
Published: Hindawi Limited 2017-01-01
Series:Advances in Condensed Matter Physics
Online Access:http://dx.doi.org/10.1155/2017/5304791
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spelling doaj-9534cb43f49647bda3cb49d55e17ee002020-11-24T22:39:49ZengHindawi LimitedAdvances in Condensed Matter Physics1687-81081687-81242017-01-01201710.1155/2017/53047915304791Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 NanocrystalsSai Li0Wei Lu1Qihua Yang2Dacheng Zhou3Jianbei Qiu4Xuhui Xu5Xue Yu6College of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaUniversity Research Facility in Materials Characterization and Device Fabrication, The Hong Kong Polytechnic University, Hung Hom, Hong KongCollege of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaCollege of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaCollege of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaCollege of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaCollege of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, ChinaGlass ceramics containing Yb3+, Er3+ codoped Ba2LaF7 nanocrystals were fabricated via melt quenching method and the subsequent heating treatment. The formation of Ba2LaF7 nanocrystals in the glass ceramics was confirmed by X-ray diffraction (XRD) and transmission electron microscope (TEM). The spontaneous upconversion (UC) emission and the stimulated counterpart as a random lasing action of Er3+, which were related to the characteristic transitions of Er3+ ions, were achieved in the Yb3+, Er3+-doped Ba2LaF7 nanocrystals embedded glass ceramic hybrid. Furthermore, the absorption spectra verified the surface plasmon resonance (SPR) band of Ag, which precipitated from the matrix glasses as Ag nanoparticles (NPs). By incorporating Ag NPs in the glass ceramic hybrid, spontaneous UC emission intensity of Er3+ in visible region was significantly enhanced, while the threshold of the random lasing was decreased from 480 to 350 nJ/cm2.http://dx.doi.org/10.1155/2017/5304791
collection DOAJ
language English
format Article
sources DOAJ
author Sai Li
Wei Lu
Qihua Yang
Dacheng Zhou
Jianbei Qiu
Xuhui Xu
Xue Yu
spellingShingle Sai Li
Wei Lu
Qihua Yang
Dacheng Zhou
Jianbei Qiu
Xuhui Xu
Xue Yu
Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
Advances in Condensed Matter Physics
author_facet Sai Li
Wei Lu
Qihua Yang
Dacheng Zhou
Jianbei Qiu
Xuhui Xu
Xue Yu
author_sort Sai Li
title Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
title_short Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
title_full Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
title_fullStr Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
title_full_unstemmed Surface Plasmon Resonance Enhanced Spontaneous Upconversion and Stimulated Emissions in Glass Ceramics Containing Ba2LaF7 Nanocrystals
title_sort surface plasmon resonance enhanced spontaneous upconversion and stimulated emissions in glass ceramics containing ba2laf7 nanocrystals
publisher Hindawi Limited
series Advances in Condensed Matter Physics
issn 1687-8108
1687-8124
publishDate 2017-01-01
description Glass ceramics containing Yb3+, Er3+ codoped Ba2LaF7 nanocrystals were fabricated via melt quenching method and the subsequent heating treatment. The formation of Ba2LaF7 nanocrystals in the glass ceramics was confirmed by X-ray diffraction (XRD) and transmission electron microscope (TEM). The spontaneous upconversion (UC) emission and the stimulated counterpart as a random lasing action of Er3+, which were related to the characteristic transitions of Er3+ ions, were achieved in the Yb3+, Er3+-doped Ba2LaF7 nanocrystals embedded glass ceramic hybrid. Furthermore, the absorption spectra verified the surface plasmon resonance (SPR) band of Ag, which precipitated from the matrix glasses as Ag nanoparticles (NPs). By incorporating Ag NPs in the glass ceramic hybrid, spontaneous UC emission intensity of Er3+ in visible region was significantly enhanced, while the threshold of the random lasing was decreased from 480 to 350 nJ/cm2.
url http://dx.doi.org/10.1155/2017/5304791
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