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Multicolor luminescence properties of Ln7O6F9: RE3+(Ln = Y, Lu; RE = Pr, Sm and Eu) nano-rods with bifurcation
Xiang, Guang-Xin1; Wang, Guo-Jun1; Zhang, Zhi-Jun1; Feng, He1; Zhao, Jing-Tai1; Wang, Jiao2; Sun, Xin-Yuan3; Mao, Ri-Hua4; Wang, Yong4
2017
Source PublicationJournal of Alloys and Compounds
ISSN09258388
Volume692Pages:471-477
AbstractThe uniform 1D nano-rods of RE3+doped Ln7O6F9(Ln = Y and Lu; RE = Pr, Sm and Eu) were synthesized through a facile two-step hydrothermal method without extra fluorine source followed by post-heat treatment. The phase formation, morphologies, as well as photoluminescence properties of the materials were investigated. The precursor composition was determined to be Ln(OH)1.69F1.31using the Fourier transform infrared spectrum (FT-IR), thermal gravimetric and differential scanning calorimetry (TG-DSC). The average lengths of Y7O6F9and Lu7O6F9were about 6.8 and 7.9 μm, respectively, with the average width of about 650 nm. It was interesting that the tip of the nano-rods exhibits a straight line and divergent umbrella shaped bifurcation for Y7O6F9and Lu7O6F9, respectively. Upon ultraviolet excitation, Pr3+, Sm3+and Eu3+ions in Ln7O6F9showed blue, orange and red emissions originating from their characteristic f-f transitions. In addition, the 4f15d1 → 4f2band emissions (340–450 nm) as well as typical 4f2 → 4f2line emissions (450–700 nm) of Pr3+were observed in Pr3+-doped Ln7O6F9. For Sm3+-doped Ln7O6F9, only the typical f - f transitions of Sm3+were observed with the absence of charge transfer (CT) band. However, the broad excitation bands at 255 nm attributing to the charge transfer transition of Eu3+(i.e. O2− → Eu3+CT) were observed in Eu3+-doped Ln7O6F9. © 2016 Elsevier B.V.
DOI10.1016/j.jallcom.2016.08.306
EI Accession Number20163802823972
EI KeywordsNanorods
EI Classification Number723.5 Computer Applications - 761 Nanotechnology - 802.2 Chemical Reactions - 804.2 Inorganic Compounds - 933 Solid State Physics - 944.6 Temperature Measurements
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25544
Collection中国科学院上海硅酸盐研究所
Affiliation1.School of Materials Science and Engineering, Shanghai University, Shanghai; 200072, China;
2.School of Information Science and Engineering, Fudan University, Shanghai; 200433, China;
3.Department of Physics, Jinggangshan University, Ji'an; 343009, China;
4.Laboratory for Advanced Scintillation Materials & Performance, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai; 201800, China
Recommended Citation
GB/T 7714
Xiang, Guang-Xin,Wang, Guo-Jun,Zhang, Zhi-Jun,et al. Multicolor luminescence properties of Ln7O6F9: RE3+(Ln = Y, Lu; RE = Pr, Sm and Eu) nano-rods with bifurcation[J]. Journal of Alloys and Compounds,2017,692:471-477.
APA Xiang, Guang-Xin.,Wang, Guo-Jun.,Zhang, Zhi-Jun.,Feng, He.,Zhao, Jing-Tai.,...&Wang, Yong.(2017).Multicolor luminescence properties of Ln7O6F9: RE3+(Ln = Y, Lu; RE = Pr, Sm and Eu) nano-rods with bifurcation.Journal of Alloys and Compounds,692,471-477.
MLA Xiang, Guang-Xin,et al."Multicolor luminescence properties of Ln7O6F9: RE3+(Ln = Y, Lu; RE = Pr, Sm and Eu) nano-rods with bifurcation".Journal of Alloys and Compounds 692(2017):471-477.
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