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Ti/TiO2包覆ZnO:Tb纳米纤维的光学性质

毛延哲 刘延霞 李健 李晖 潘孝军 谢二庆

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Ti/TiO2包覆ZnO:Tb纳米纤维的光学性质

毛延哲, 刘延霞, 李健, 李晖, 潘孝军, 谢二庆

Optical properties of Ti/TiO2 caped Tb3+-doped ZnO nanofibers

Mao Yan-Zhe, Liu Yan-Xia, Li Jian, Li Hui, Pan Xiao-Jun, Xie Er-Qing
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  • 用电纺丝方法制备了ZnO:Tb纳米纤维. 用X-射线衍射、Raman光谱对其形貌做了表征. 结果显示,ZnO:Tb纳米纤维为六方纤锌矿结构,Tb掺杂对ZnO的结晶性有影响. 利用表面等离激元,通过对纳米纤维表面包覆金属Ti和TiO2,比较了其光致发光谱,得到在325 nm激发下ZnO:Tb纳米纤维中稀土发光效率低的原因是ZnO和Tb之间不能进行有效的能量传递;包覆TiO2后能提高稀土发光效率.
    ZnO:Tb nanofibers are fabricated by electrospinning method. X-ray diffraction and Raman results show that the sample is of hexagonal phase. The positions of doped diffraction peaks shift toward the small angle and the shift does not change with Tb content. Photoluminescence (PL) spectra of Tb-doped ZnO nanofibers show a strong defect-related emission and indicate that the doping affects the crystallinity of ZnO. It is found that Ti-capped can enhance the ultraviolet emission of ZnO nanofiber, while the defect-related emission is depressed. The enhancement in ultraviolet emission is mostly attributed to the surface plasmon coupling effect at the interface. The PL results indicate that the ZnO is not a proper matrix for Tb3+ ion.
    • 基金项目: 中国博士后科学基金(批准号:2012M512046)资助的课题.
    • Funds: Project supported by the National Science Foundation for Post-Doctoral Scientists of China (Grant No. 2012M512046).
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    [26]

    Shan F K, Liu G X, Lee W J, Shin B C 2007 J. Appl. Phys. 101 053106

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    Vanheusden K, Warren W L, Seager C H, Tallant D R, Voigt J A, Gnade B E 1996 J. Appl. Phys. 79 7983

    [28]

    Song J, An X Y, Zhou J Y, Liu Y X, Wang W, Li X D, Lan W, Xie E Q 2010 Appl. Phys. Lett. 97 122103

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    Liu M, Qu S W, Yu W W, Bao S Y, Ma C Y, Zhang Q Y, He J, Jiang J C, Meletis E I, Chen C L 2010 Appl. Phys. Lett. 97 231906

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  • [1]

    Huang M H, Mao S, Feick H, Yan H Q, Wu Y Y, Kind H, Weber E, Russo R, Yang P D 2001 Science 292 1897

    [2]

    Djurisic A B, Leung Y H, Tam K H, Hsu Y F, Ding L, Ge W K, Zhong Y C, Wong K S, Chan W K, Tam H L, Cheah K W, Kwok W M, Phillips D L 2007 Nanotechnology 18 095702

    [3]

    Ozgur U, Alivov Y I, Liu C, Teke A, Reshchikov M A, Dogan S, Avrutin V, Cho S J, Morkoc H 2005 J. Appl. Phys. 98 041301

    [4]

    Gao X Y, Chen C, Zhang S 2014 Chin. Phys. B 23 030701

    [5]

    Fernandez S, Naranjo F B 2010 Sol. Energy Mater. Sol. Cells 94 157

    [6]

    Lupan O, Shishiyanu S, Ursaki V, Khallaf H, Chow L, Shishiyanu T, Sontea V, Monaico E, Railean S 2009 Sol. Energy Mater. Sol. Cells 93 1417

    [7]

    Zamfirescu M, Kavokin A, Gil B, Malpuech G, Kaliteevski M 2002 Phys. Rev. B 65 161205

    [8]

    Xia Y, Yang P, Sun Y, Wu Y, Mayers B, Gates B, Yin Y, Kim F, Yan H 2003 Adv. Mater. 15 353

    [9]

    Xu X R, Su M Z 2004 Luminescence and Luminescent Materials (Beijing: Chemical Industry Press) (in Chinese)[徐叙瑢, 苏勉曾 2004 发光学与发光材料 (北京: 化学工业出版社)]

    [10]

    Zhang X T, Liu Y C, Ma J G, Lu Y M, Shen D Z, Xu W, Zhong G Z, Fan X W 2002 Thin Solid Films 413 257

    [11]

    Zeng X, Yuan J, Wang Z, Zhang L 2007 Adv. Mater. 19 4510

    [12]

    Pan X J, Zhang Z X, Wang T, Li H, Xie E Q 2008 Acta Phys. Sin. 57 3786(in Chinese)[潘孝军, 张振兴, 王涛, 李晖, 谢二庆 2008 物理学报 57 3786]

    [13]

    Peres M, Cruz A, Pereira S, Correia M R, Soares M J, Neves A, Carmo M C, Monteiro T, Pereira A S, Martins M A, Trindade T, Alves E, Nobre S S, Sá Ferreira R A 2007 Appl. Phys. A: Mater. Sci. Process. 88 129

    [14]

    Zhang Y Z, Liu Y P, Wu L H 2009 J. Phys. D: Appl. Phys. 42 085106

    [15]

    Gao S, Zhang H, Deng R, Wang X, Sun D, Zheng G 2006 Appl. Phys. Lett. 89 123

    [16]

    Zhang Z H, Guo H Q, Liu S M, Liu F Q, Wang Z G 2000 Acta Phys. Sin. 49 2307(in Chinese)[张志华, 郭海清, 刘舒曼, 刘峰奇, 王占国 2000 物理学报 49 2307]

    [17]

    Ni W H, An J, Lai C W, Ong H C, Xu J B 2006 J. Appl. Phys. 100 026103

    [18]

    Liu M, Qu S W, Yu W W, Bao S Y, Ma C Y, Zhang Q Y, He J, Jiang J C, Meletis E I, Chen C L 2010 Appl. Phys. Lett. 97 231906

    [19]

    Richters J P, Voss T, Kim D S, Scholz R, Zacharias M 2008 Nanotechnology 19 305202

    [20]

    Cheng C, Jiang Z J, Liu C Y 2008 J. Photochem. Photobiol. A: Chemistry 195 151

    [21]

    Ji T K, Wang W M, Long F, Fu Z Y, Wang H, Zhang Q J 2009 Mater. Sci. Engineer. B 162 179

    [22]

    Yang L, Tang Y H, Hua A P, Chen X H, Liang K, Zhang L D 2008 Physica B 403 2230

    [23]

    Scherrer P 1918 Göttinger Nachrichten Gesell. 2 98

    [24]

    Pereira A S, Peres M, Soares M J, Alves E, Neves A, Monteiro T, Trindade T 2006 Nanotechnology 17 834

    [25]

    Cetin A, Kibar R, AyvacIklI M, Tuncer Y, Buchal C, Townsend P D, Karali T, Selvi S, Can N 2007 Surf. Coat. Technol. 201 8534

    [26]

    Shan F K, Liu G X, Lee W J, Shin B C 2007 J. Appl. Phys. 101 053106

    [27]

    Vanheusden K, Warren W L, Seager C H, Tallant D R, Voigt J A, Gnade B E 1996 J. Appl. Phys. 79 7983

    [28]

    Song J, An X Y, Zhou J Y, Liu Y X, Wang W, Li X D, Lan W, Xie E Q 2010 Appl. Phys. Lett. 97 122103

    [29]

    Liu M, Qu S W, Yu W W, Bao S Y, Ma C Y, Zhang Q Y, He J, Jiang J C, Meletis E I, Chen C L 2010 Appl. Phys. Lett. 97 231906

    [30]

    Ni W H, An J, Lai C W, Ong H C, Xu J B 2006 J. Appl. Phys. 100 026103

    [31]

    Kolaczkiewicz J, Bauer E 1986 Surf. Sci. 175 487

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出版历程
  • 收稿日期:  2014-01-06
  • 修回日期:  2014-05-16
  • 刊出日期:  2014-09-05

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