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题名: Ag nanoparticles enhanced 2 mu m luminescences of Ho3+/Tm3+ codoped bismuth germanate glasses
作者: Xue Bing1, 2;  Xu Yin-Sheng1;  Li Yan-Yuan2;  Qi Jia-Ni1, 2;  Lu Shan-Shan2;  Lu Ke-Lun3;  Chen Li-Yan1;  Zhang Shao-Qian4;  Dai Shi-Xun1
关键词: Ag nanoparticles ;  surface plasmon resonance ;  middle infrared luminescence
刊名: ACTA PHYSICA SINICA
发表日期: 2014-05-01
DOI: 10.7498/aps.63.107802
卷: 63, 期:10
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
英文摘要: The Ho3+/Tm3+ codoped bismuth germanate glasses containing Ag nanoparticles (NPs) are synthesized by a chemical reduction method based on the conventional melting-quenching technique. The effect of concentration of Ag NPs on the 2 mu m emission is studied. The absorption band related to the surface plasmon resonance (SPR) of the Ag NPs is located in a range from 500 to 900 nm. Transmission electron microscopic image clearly reveals homogeneously dispersed Ag NPs with the sizes ranging from 5 to 10 nm. The luminescence spectra in a range of 1.7-2.3 mu m are collected. With the addition mass fraction of the AgCl up to 0.3%, the intensity of emission band of Ho3+ ions, centered at 2.03 mu m, is increased by 10 folds. The enhancement of 2 mu m luminescence is attributed to the enhanced local field induced by SPR of Ag NPs. The calculated absorption cross section and emission cross section are 0.491 x 10(-20) cm(-2) and 1.03 x 10(-20) cm(-2), respectively. When the gain coefficient p = 0.2, the positive gain would be realised.
关键词[WOS]: ENERGY-TRANSFER ;  TM3+ ;  EMISSION ;  SILVER ;  GOLD
语种: 英语
WOS记录号: WOS:000338741800054
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145701
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Ningbo Univ, Adv Technol Res Inst, Ningbo 315211, Zhejiang, Peoples R China
2.Ningbo Univ, Sch Mat Sci & Chem Engn, Ningbo 315211, Zhejiang, Peoples R China
3.Ningbo Univ, Coll Sci & Technol, Ningbo 315211, Zhejiang, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Xue Bing,Xu Yin-Sheng,Li Yan-Yuan,et al. Ag nanoparticles enhanced 2 mu m luminescences of Ho3+/Tm3+ codoped bismuth germanate glasses[J]. ACTA PHYSICA SINICA,2014,63(10).
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