利用溶胶凝胶法制备了粒径3.0～8.8nm的氧化锡纳米粉,并通过掺杂稀土离子铈研究了氧缺陷引起的氧化锡纳米粉的发光性质,发现当引入了掺杂离子后可以大大增强其发光强度,并对其发光机理进行了讨论.
参考文献
| [1] | Electronic wave functions in semiconductor clusters:experiment and theory[J].Journal of Physical Chemistry,1986,90:2555. |
| [2] | Small-particle research: physicochemical properties of extremely small colloidal metal and semiconductor particles[J].Chemical Reviews,1989,89:1861. |
| [3] | Nanometer-sized semiconductor clusters: materials synthesis, quantum size effects, and photophysical properties[J].Journal of Physical Chemistry,1991,95:525. |
| [4] | Large-scale rapid oxidation synthesis of SnO2 nanoribbons[J].Journal of Physical Chemistry B,2002,106:3823. |
| [5] | J.K. Jian;X.L. Chen;W.J. Wang;L. Dai;Y.P. Xu .Growth and morphologies of large-scale SnO_2 nanowires, nanobelts and nanodendrites[J].Applied physics, A. Materials science & processing,2003(2):291-294. |
| [6] | Synthesis and characterization of ruffle SnO2 nanorods[J].Advanced Materials,2001,13:1883. |
| [7] | Vanheusden K.;Seager CH.;Tallant DR.;Voigt JA.;Gnade BE.;Warren WL. .MECHANISMS BEHIND GREEN PHOTOLUMINESCENCE IN ZNO PHOSPHOR POWDERS[J].Journal of Applied Physics,1996(10):7983-7990. |
| [8] | van Dijken A.;Vanmaekelbergh D.;Meijerink A.;Meulenkamp EA. .The luminescence of nanocrystalline ZnO particles: the mechanism of the ultraviolet and visible emission[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):454-456. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%