Polarization-independent filters for luminescent solar concentrators

被引：21

作者：

de Boer, Dick K. G. ^{[1
]}

Lin, Chi-Wen ^{[1
,2
,3
]}

Giesbers, Merijn P. ^{[1
]}

Cornelissen, Hugo J. ^{[1
]}

Debije, Michael G. ^{[4
]}

Verbunt, Paul P. C. ^{[4
]}

Broer, Dirk J. ^{[4
]}

机构：

[1] Philips Res Europe, NL-5656 AE Eindhoven, Netherlands

[2] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan

[3] Natl Chiao Tung Univ, Display Inst, Hsinchu 30010, Taiwan

[4] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 02期

关键词：

CONVERSION;

D O I：

10.1063/1.3541543

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The efficiency of luminescent solar concentrators could be enhanced by use of wavelength-selective filters, reducing the amount of luminescent light lost. To accomplish this, polarization-independent filters with reflectivity >97% were made by combining layers of cholesteric liquid crystals, either a right-with a left-handed layer, or two right-handed layers with a half-lambda waveplate. Normal cholesteric filters have a reflection bandwidth which is narrower than the spectral and angular range of the luminescent emission. The reflection band is broadened from 80 to 200 nm by employing a pitch gradient in the cholesteric layer. The measured transmission bands compare well with calculations. (C) 2011 American Institute of Physics. [doi:10.1063/1.3541543]

引用

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