Influence of dispersant on Y2O3: Eu3+ powders synthesized by combustion method
Wang, CN; Zhao, JB; Li, Y; Zhang, WP; Yin, M; Zhang WP(张慰萍)
刊名JOURNAL OF RARE EARTHS
2009
卷号27期号:6页码:879-885
关键词Y2O3 combustion PEG2000 rare earths
学科分类Chemistry
DOI10.1016/S1002-0721(08)60354-3
通讯作者[Wang Chaonan ; Zhao Jiangbo ; Li Yong ; Zhang Weiping ; Yin Min] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China ; [Wang Chaonan ; Zhao Jiangbo ; Li Yong ; Yin Min] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China ; [Zhang Weiping] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
英文摘要Y2O3: Eu3+ powders were synthesized by combustion method and the influence of dispersant was investigated. XRD analysis indicated that the particle size increased with a small amount of dispersant firstly and then decreased with a further increase of dispersant. The morphologies of the powders were studied by scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM). SEM images revealed that an appropriate amount of dispersant could reduce the agglomeration significantly. Due to the increase of specific surface area, the charge transfer bands in the excitation spectra showed a red shift with the decrease of particle size. The emission spectra displayed that the reduction of agglomeration could enhance the luminescent intensity greatly. The decay curves of the powders were single exponential and the lifetime of 612 nm emission increased with the decrease of particle size. The two deexcitation processes were discussed, and the increase of lifetime with decreased particle size resulted from the combined effects of surface defects and effective refractive index.
类目[WOS]Chemistry, Applied
研究领域[WOS]Chemistry
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语种英语
WOS记录号WOS:000274040500001
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被引频次:10[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238667
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Wang, CN,Zhao, JB,Li, Y,et al. Influence of dispersant on Y2O3: Eu3+ powders synthesized by combustion method[J]. JOURNAL OF RARE EARTHS,2009,27(6):879-885.
APA Wang, CN,Zhao, JB,Li, Y,Zhang, WP,Yin, M,&张慰萍.(2009).Influence of dispersant on Y2O3: Eu3+ powders synthesized by combustion method.JOURNAL OF RARE EARTHS,27(6),879-885.
MLA Wang, CN,et al."Influence of dispersant on Y2O3: Eu3+ powders synthesized by combustion method".JOURNAL OF RARE EARTHS 27.6(2009):879-885.
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