浏览全部资源
扫码关注微信
湖北大学 材料科学与工程学院, 湖北 武汉 430062
收稿日期:2010-04-14,
修回日期:2010-08-18,
网络出版日期:2011-01-22,
纸质出版日期:2011-01-22
移动端阅览
吴继清, 章天金, 汪竞阳, 余琳, 潘瑞琨. Ho<sup>3+</sup>掺杂的Ba<sub>0.8</sub>Sr<sub>0.2</sub>TiO<sub>3</sub>厚膜的发光特性[J]. 发光学报, 2011,32(1): 12-15
WU Ji-qing, ZHANG Tian-jin, WANG Jing-yang, YU Lin, PAN Rui-kun. Luminescence Properties of Ho<sup>3+</sup> ∶ Ba<sub>0.8</sub>Sr<sub>0.2</sub>TiO<sub>3</sub> Thick Films[J]. Chinese Journal of Luminescence, 2011,32(1): 12-15
吴继清, 章天金, 汪竞阳, 余琳, 潘瑞琨. Ho<sup>3+</sup>掺杂的Ba<sub>0.8</sub>Sr<sub>0.2</sub>TiO<sub>3</sub>厚膜的发光特性[J]. 发光学报, 2011,32(1): 12-15 DOI: 10.3788/fgxb20113201.0012.
WU Ji-qing, ZHANG Tian-jin, WANG Jing-yang, YU Lin, PAN Rui-kun. Luminescence Properties of Ho<sup>3+</sup> ∶ Ba<sub>0.8</sub>Sr<sub>0.2</sub>TiO<sub>3</sub> Thick Films[J]. Chinese Journal of Luminescence, 2011,32(1): 12-15 DOI: 10.3788/fgxb20113201.0012.
用丝网印刷法在氧化铝衬底上制备了Ho
3+
掺杂的Ba
0.8
Sr
0.2
TiO
3
(BST)厚膜。XRD谱表明
随着Ho
3+
掺杂摩尔分数从0.5%增加到2.0%
BST厚膜的晶格尺寸先增大后减小。在514 nm的氩离子激光激发下
样品均出现了中心波长为549
650
753 nm的发光带
分别对应于Ho
3+
离子的(
5
F
4
5
S
2
)
5
I
8
、
5
F
5
5
I
8
和(
5
F
4
5
S
2
)
5
I
7
的跃迁。在800 nm的激光激发下
样品均出现了蓝色和绿色的上转换发光
并分析了蓝色和绿色上转换发光的发光机理。
Ho
3+
doped Ba
0.8
Sr
0.2
TiO
3
(BST) thick films were fabricated on alumina substrates by the screen printing techniques. XRD patterns show that the lattice parameters of BST films have a maximum value when Ho
3+
concentration is 1.0%. Under 514 nm Ar
+
laser excitation
the emission peaks lacate at about 549
650 and 753 nm corresponding to (
5
F
4
5
S
2
)
5
I
8
5
F
5
5
I
8
and (
5
F
4
5
S
2
)
5
I
7
transition of Ho
3+
ion. Under 800 nm laser excitation
blue and green up-conversion luminescence was observed. The blue and green up-conversion luminescence mechanisms were also discussed. The results show that the Ho
3+
∶ BST materials are prospective candidates for applications in new photoelectric devices.
Ohfuji S, Itsumi M, Akiya H. Dielectric properties of electron-cyclotron-resonance-sp-uttered (Ba,Sr)TiO3 films [J]. Jpn. J. Appl. Phys. B, 1997, 36 (9):5854-5859.[2] Tusseau-Nenez S, Ganne J P, Maglione M, et al. BST ceramics: Effect of attrition milling on dielectric properties [J]. J. Eur. Ceram. Soc., 2004, 24 (10-11):3003-3011.[3] Hasegawa Y, Wada Y, Yanagida S. Strategies for the design of luminescent lanthanide(Ⅲ) complexes and their photonic applications [J]. J. Photochem. Photobiol. B: Photoc-hemistry Reviews, 2004, 5 (3):183-202.[4] Maiman T H. Stimulated optical radiation in ruby [J]. Nature, 1960, 187 (4736):493-494.[5] Valiente R, Wenger O, Gudel H U. New photon upconversion processes in Yb3+ doped CsMnCl3 and RbMnCl3 [J]. Chem. Phys. Lett., 2000, 320 (5-6):639-644.[6] Lewis G V, Catlow C R A. Defect studies of doped and undoped barium titanate using computer simulation techniques [J]. J. Phys. Chem. Solids, 1986, 47 (1):89-91.[7] Kishi H, Kohzu N, Sugino J, et al. The effect of rare-earth (La,Sm,Dy,Ho and Er) and Mg on the microstructure in BaTiO3 [J]. J. Eur. Cera. Soc., 1999, 19 (6-7):1043-1046.[8] Murakami S, Herren M, Morita M. Excitation energy transfer and low-temperature anomaly in luminescence of RE3+ codoped PLZT ceramics // Proceedings of the Eleventh International Conference on Dynamical Processes in Excited States of Solids, Amsterdam: Elsevier B V, 1998:460-463.[9] Biljan T, Gajovic A, Meic Z. Preparation, characterization and luminescence of nano-crystalline Y2O3 ∶ Ho [J]. J. Alloys Compound, 2007, 431 (1-2):217-220.[10] Silver J, Barrett E, Marsh P J, et al. Yttrium oxide upconverting phosphors. 5.Upconversion luminescent emission from holmium-doped yttrium oxide under 632.8 nm light excitation [J]. J. Phys. Chem. B, 2003, 107 (35):9236-9242.[11] Osiac E, Sokolska I, Kck S. Evaluation of the upconversion mechanisms in Ho3+-doped crystals:Experiment and theore-tical modeling [J]. Phys. Rev. B, 2002, 65 (23):235119-1-13.
0
浏览量
46
下载量
2
CSCD
关联资源
相关文章
相关作者
相关机构