Realization of a near-perfect antireflection coating for silicon solar energy utilization

被引：200

作者：

Kuo, Mei-Ling ^{[1
]}

Poxson, David J. ^{[1
]}

Kim, Yong Sung ^{[1
]}

Mont, Frank W. ^{[2
]}

Kim, Long Kyu ^{[2
]}

Schuhert, E. Fred ^{[1
,2
]}

Lin, Shawn-Yu ^{[1
]}

机构：

[1] Rensselaer Polytech Inst, Dept Phys Appl Phys & Astron, Troy, NY 12180 USA

[2] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA

来源：

OPTICS LETTERS | 2008年 / 33卷 / 21期

关键词：

D O I：

10.1364/OL.33.002527

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

To harness the full spectrum of solar energy, Fresnel reflection at the surface of a solar cell must be eliminated over the entire solar spectrum and at all angles. Here, we show that a multilayer nanostructure having a graded-index profile, as predicted by theory [J. Opt. Soc. Am. 66, 515 (1976); Appl. Opt. 46, 6533 (2007)], can accomplish a near-perfect transmission of all-color of sunlight. An ultralow total reflectance of 1%-6% has been achieved over a broad spectrum, lambda=400 to 1600 run, and a wide range of angles of incidence, theta=0 degrees-60 degrees. The measured angle- and wavelength-averaged total reflectance of 3.79% is the smallest ever reported in the literature, to our knowledge. (C) 2008 Optical Society of America

引用

页码：2527 / 2529

页数：3

共 14 条

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