Two-dimensional subwavelength meta-nanopillar array for efficient visible light absorption

被引：42

作者：

Cao, S. ^{[1
,2
]}

Yu, W. ^{[1
]}

Wang, T. ^{[1
]}

Xu, Z. ^{[1
]}

Wang, C. ^{[1
]}

Fu, Y. ^{[3
]}

Liu, Y. ^{[4
]}

机构：

[1] Chinese Acad Sci, State Key Lab Appl Opt, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

[3] Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan Provinc, Peoples R China

[4] Zhejiang Univ Technol, Coll Sci, Hangzhou 310023, Zhejiang, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 16期

关键词：

SILICON NANOWIRE ARRAYS; OPTICAL-ABSORPTION; PHOTOVOLTAIC APPLICATIONS; ENHANCEMENT;

D O I：

10.1063/1.4803046

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the extraordinary light harvesting property of a metamaterial-based subwavelength nanopillar array with a periodic arrangement. It is found that the meta-nanopillar array can absorb light efficiently with an average absorptivity of 0.96 over the whole visible waveband with independent of the incoming light polarization state as well as the wide receiving angle of as large as +/- 60 degrees. We attribute the efficient light harvesting property of meta-nanopillar array to the synergistic effect of the slow light mode and localized surface plasmon resonant effect. (C) 2013 AIP Publishing LLC [http://dx.doi.org/10.1063/1.4803046]

引用

页数：4

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