以聚乙烯醇(PVA)作为络合剂与乙酸锌、硝酸铕、硝酸锂均匀混合制得前驱体溶液,采用静电纺丝法制得聚乙烯醇(PVA)/无机复合纤维,经焙烧后得到分布均匀、具有较高比表面积的Eu、Li共掺ZnO纳米纤维.采用X-射线衍射仪(XRD)、扫描电镜(SEM)、激光微区拉曼光谱仪等分析测试手段,对所制得的纳米纤维的结晶度、表面形貌及发光特性进行了表征.结果表明,ZnO:Eu,Li纳米纤维在610～623 nm间出现明显的发射峰,对应于Eu3+自身能级的5D0到7F2的跃迁.
参考文献
| [1] | Morkoc H;Strite S;Gao G B et al.[J].Journal of Applied Physics,1994,76:1363. |
| [2] | Nakamura S;Senoh M;Nagahama S;Iwasa N;Yamada T;Matsushita T;Sugimoto Y;Kiyoku H .Room-temperature continuous-wave operation of InGaN multi-quantum-well structure laser diodes with a lifetime of 27 hours[J].Applied physics letters,1997(11):1417-1419. |
| [3] | Atsushi Ishizumi;Yoshihiko Kanemitsu .[J].Applied Physics Letters,2005,86:253106. |
| [4] | Bubendorff J L;Ebothe J et al.[J].Journal of Applied Physics,2006,100(01):014505. |
| [5] | Wang Juan;Zhou M J;Hark S K et al.[J].Applied Physics Letters,2006,89:221917. |
| [6] | Rüter D;Bauhofer W .[J].Applied Physics Letters,1996,69:892. |
| [7] | Teng X M;Fan H T;Pan S S et al.[J].Journal of Applied Physics,2006,100:053507. |
| [8] | Shailaja Mahamuni;Kavita Borgohain;Bendre B S et al.[J].Journal of Applied Physics,1999,85:2861. |
| [9] | Wu X L;Siu G G;Fu C L et al.[J].Applied Physics Letters,2001,78:2285. |
| [10] | Veaceslav Ursaki;Victor Zalamai et al.[J].Proceedings of Spie,2005,5822:148. |
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%