着重研究了发绿光的含铽三元共聚物光致发光性能. 研究了溶液和粉末状态下含铽三元共聚物的荧光性能. 分别改变溶剂的浓度和极性、测试温度、稀土铽含量, 讨论了它们对三元共聚物中咔唑基及稀土铽发光中心的荧光强度的影响. 结果发现在含铽三元共聚物的固态荧光中, 来自咔唑基的荧光出现"固态猝灭", 而来自稀土铽离子的荧光则明显加强, 这是由于二者的失活机制不同引起的. 含铽聚合物的光致发光特点使之适合作电致发光材料.
参考文献
[1] | Kido J;Ikeda W;Kimura M et al.White-light-emitting organic electroluminescent device using lanthanide complexes[J].Japanese Journal of Applied Physics,1996,35:L394. |
[2] | 梁春军,李文连,虞家琪,刘星元,李丹,赵宇,彭俊彪.一种新型稀土有机电致发光材料:Eu(NO3)3phen[J].发光学报,1996(04):382-384. |
[3] | Segura J L .The chemistry of electroluminescent organic materials[J].ACTA POLYMERICA,1998,49:319. |
[4] | 赵东旭,李文连,洪自若,梁春军,赵丹,彭俊彪,刘星元.在有机电致发光中Tb(Ⅲ)对Eu(Ⅲ)的发光增强现象[J].发光学报,1998(04):370-372. |
[5] | 凌启淡,杨慕杰,范希智,陈君,刘旭,汪联辉,章文贡.一种含铽单体的合成及其电致发光研究[J].化学学报,2001(01):115-118. |
[6] | 张思远;毕宪章.稀土光谱理论[M].长春:吉林科学技术出版社,1991:12. |
[7] | Van Vitert L G;Johnson L F .Energy transfer between rare-earth ions[J].Journal of Chemical Physics,1966,44:3514. |
[8] | Reichardt C.Solvent Effects in Organic Chemistry[M].New York: Weinheim, Verlag Chemie,1979:242. |
[9] | 周庆复;董晓阳 .二甲氧基-蒽醌体系分子内激发态复合物形成的结构条件与溶剂效应[J].发光学报,1994,15(03):237. |
[10] | Leonhardt H;Weller A .Electron transfer reactions of excited perylene[J].Acta Physica Polonica,1963,67:791. |
[11] | Filipescu N;McAvoy N .Solvent and temperature effects on fluorescence emission of europium-diketonates[J].Journal of Radioanalytical and Nuclear Chemistry,1966,28:253. |
[12] | Friend R H;Burroughes J;Shimoda T .Polymer diodes[J].Physics World,1999,6:35. |
[13] | Weder C.;Wrighton MS. .EFFICIENT SOLID-STATE PHOTOLUMINESCENCE IN NEW POLY(2,5-DIALKOXY-P-PHENYLENEETHYNYLENE)S[J].Macromolecules,1996(15):5157-5165. |
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%