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1. 中国科学技术大学物理系,安徽 合肥,230026
2. 新疆师范大学 物理系,新疆 乌鲁木齐,830054
收稿日期:2011-03-24,
修回日期:2011-04-18,
网络出版日期:2011-09-22,
纸质出版日期:2011-09-22
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王林香, 祝恒江, 尹民. Lu<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup>纳米粉末及透明陶瓷的制备及其发光性能[J]. 发光学报, 2011,32(9): 913-919
WANG Lin-xiang, ZHU Heng-jiang, YIN Min. Fabrication and Luminescent Properties of Eu<sup>3+</sup>-doped Lu<sub>2</sub>O<sub>3</sub> Nanopowders and Transparent Ceramics[J]. Chinese Journal of Luminescence, 2011,32(9): 913-919
王林香, 祝恒江, 尹民. Lu<sub>2</sub>O<sub>3</sub>:Eu<sup>3+</sup>纳米粉末及透明陶瓷的制备及其发光性能[J]. 发光学报, 2011,32(9): 913-919 DOI:
WANG Lin-xiang, ZHU Heng-jiang, YIN Min. Fabrication and Luminescent Properties of Eu<sup>3+</sup>-doped Lu<sub>2</sub>O<sub>3</sub> Nanopowders and Transparent Ceramics[J]. Chinese Journal of Luminescence, 2011,32(9): 913-919 DOI:
采用共沉淀法和溶剂热法制备了Lu
2
O
3
:Eu
3+
纳米粉体
通过X射线衍射谱、傅里叶变换红外光谱和扫描电镜照片
比较了两种方法制备的Lu
2
O
3
:Eu
3+
粉末的微观结构
测量和比较合成粉体的激发与发射光谱。将获得的Lu
2
O
3
:Eu
3+
煅烧粉体在不使用任何添加剂的情况下
干压成型制成素坯
先在真空中1 100 ℃煅烧5 h
氮气氛中1 700 ℃烧结2 h
再于氮气氛中1 600 ℃退火10 h获得Lu
2
O
3
:Eu
3+
透明陶瓷。比较了两种方法制备的Lu
2
O
3
:Eu
3+
透明陶瓷的透明度和发光性能。测量并讨论了所合成的Lu
2
O
3
:Eu
3+
透明陶瓷的发光衰减曲线和能级寿命。
Lu
2
O
3
:Eu
3+
nano-powders were prepared by co-precipitation and solvo-thermal methods
respectively. The microstructural evolution of Lu
2
O
3
:Eu
3+
phosphor powders obtained by above two methods were analyzed and compared by means of XRD
FTIR and SEM. The obtained powders without any additive were sintered into transparent ceramics under vacuum at 1 100 ℃ for 5 h and then in nitrogen atmosphere at 1 700 ℃ for 2 h and at 1 600 ℃ for 10 h. The excitation and emission spectra of Lu
2
O
3
:Eu
3+
for the calcined powders and transparent ceramics were respectively measured at room temperature. Transparencies of the obtained transparent ceramics were compared. The fluorescence decay was measured and discussed under different excitation wavelengths for the prepared Lu
2
O
3
:Eu
3+
transparent ceramics.
Li Li, Wei Xiantao, Wang Xiaochun, et al. Structure and upconversion luminescent properties of Lu2O3: Yb3+, Tm3+ nanocrystals [J]. Acta Optica Sinica (光学学报), 2010, 30 (7):1910-1915 (in Chinese).[2] Wang Zhifang, Zhang Weiping, You Baogui, et al. Effects of precipitant on microstructure and luminescent properties of Lu2O3:Eu3+ nanopowders and ceramics [J]. Spectrochimica Acta Part A, 2008, 70 (4):835-838.[3] Liu Xuejian, Li Huili, Xie Rongjun, et al. Synthesis, characterization, and luminescent properties of Lu2O3:Eu phosphors [J]. J. Lumin., 2007, 127 (2):469-473.[4] Topping S G, Sarin V K. CVD Lu2O3:Eu coatings for advanced scintillators [J]. International Journal of Refractory Metals and Hard Materials, 2009, 27 (2):498-501.[5] Babayevskaya N V, Deyneka T G, Mateychenko P V, et al. Fabrication and characterization of Lu2O3:Eu3+ nanopowders and X-ray films [J]. J. Alloys Compds., 2010, 50 (2):L26-L31.[6] Yermolayeva Y, Tolmachev A, Tkachenko V, et al. The features of morphology and crystalline structure of the monodisperse Lu2O3:Eu3+ submicrospheres prepared by sol-gel method [J]. J. Crystal Growth, 2011, 317 (1):87-91.[7] Dulina N A, Yermolayeva Y V, Tolmachev A V, et al. Synthesis and characterization of the crystalline powders on the basis of Lu2O3:Eu3+ spherical submicron-sized particles [J]. J. Eur. Ceramic Soc., 2011, 30 (7):1717-1724.[8] Li Xue, Yu Min, Hou Zhiyao, et al. Preparation and luminescence properties of Lu2O3:Eu3+ nanofibers by sol-gel/electrospinning process [J]. J. Colloid Interface Sci., 2010, 349 (1):166-172.[9] Zhang Lide, Mou Jimei. Nano-materials and Nano-structures [M]. Beijing: Science Press, 2001:241-245 (in Chinese).[10] Xu Mei, Zhang Weiping, Dong Ning, et al. Preparation and characterization of optical spectroscopy of Lu2O3:Eu nanocrystals [J]. J. Solid State Chem., 2005, 178 (2):477-482.[11] Seguini G, Bonera E, Spiga S, et al. Energy-band diagram of metal/Lu2O3/silicon structures [J]. Appl. Phys. Lett., 2004, 85 (22):5316-5318.[12] Zych E. Concentration dependence of energy transfer between Eu3+ ions occupying two symmetry sites in Lu2O3 [J]. J. Phys.: Condensed Matter, 2002, 14 (22):5637-5650.[13] Zych E, Karbowiak M, Domagala K, et al. Analysis of Eu3+ emission from different sites in Lu2O3 [J]. J. Alloys Compd., 2002, 341 (1-2):381-384.
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