利用表面等离子体增强发光二极管发光效率的研究进展

量子电子学报 , 2009, 26(1): 1-9. doi: 10.3969/j.issn.1007-5461.2009.01.001

利用表面等离子体增强发光二极管发光效率的研究进展

阎杰 ^1, , 王沛 ^2, , 鲁拥华 ^3, , 郑荣升 ^4, , 谢志国 ^5, , 陈俊学 ^6, , 苑光辉 ^7, , 明海 ^8,

1.中国科学技术大学物理系,安徽,合肥,230026;合肥工业大学,安徽,合肥,230009

2.中国科学技术大学物理系,安徽,合肥,230026

3.中国科学技术大学物理系,安徽,合肥,230026

4.中国科学技术大学物理系,安徽,合肥,230026

5.中国科学技术大学物理系,安徽,合肥,230026;合肥工业大学,安徽,合肥,230009

6.中国科学技术大学物理系,安徽,合肥,230026;合肥工业大学,安徽,合肥,230009

7.中国科学技术大学物理系,安徽,合肥,230026

8.中国科学技术大学物理系,安徽,合肥,230026

基金项目: 安徽省优秀青年科技基金(08040106805) 国家自然科学基金(60736037) 国家重点基础研究发展规划(973计划)(2006CB302905) 国家自然科学基金(10704070)

关键词：光电子学 , 增强发光 , 表面等离子体 , 发光二极管

Progress of enhanced emission of light-emitting diode using surface plasmons

表面等离子体(Surface plasmons,SPs)是近年来国际上研究的一个热点. SPs具有空间局域性,局域场增强等特点,可以用来增强发光二极管(Light-emitting diode,LED)的发光效率.利用表面等离子体场局域性质,在共振时SPs有很高的态密度,这能够影响发光中心的辐射速率,提高发光中心的内量子效率;并且可以制作合适的结构,控制光的出射方向,提高发光二极管的提取效率.近年很多研究小组研究了SPs增强发光效率的物理机理,并得到一些很好的结果,本文对现阶段的研究进展进行综述.

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