Efficient light trapping in a fluorescence solar collector by 3D photonic crystal

被引：6

作者：

Knabe, Sebastian ^{[1
]}

Soleimani, Nazila ^{[2
]}

Markvart, Tom ^{[2
]}

Bauer, Gottfried Heinrich ^{[1
]}

机构：

[1] Carl von Ossietzky Univ Oldenburg, Inst Phys, D-26111 Oldenburg, Germany

[2] Univ Southampton, Sch Engn Sci, Southampton SO17 1BJ, Hants, England

来源：

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2010年 / 4卷 / 5-6期

基金：

英国工程与自然科学研究理事会;

关键词：

solar cells; spectral fluorescence; photonic crystal; angular dependence; LUMINESCENCE; CONCENTRATORS; RADIATION; CELLS;

D O I：

10.1002/pssr.201004047

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The escape of photons from a fluorescence collector is substantially reduced by the addition of a 3D photonic crystal which is geometrically designed for the emission wavelengths of the collector. We analyze angle dependent spectral transmission and reflection of the opal and prove the blocking effect by recording the angle dependence of the spectral fluorescence from the collector with and without the opal. By comparison of both photon fluxes a reduction of the emission in the appropriate ranges of wavelength and angle by a factor >10 is observed. For photovoltaic applications an increase in the internal photon density of the collector and likewise in the fluorescence photon flux fed to a solar cell can be expected, which might be overcompensated by the non-negligible reflection of the opal. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：118 / 120

页数：3

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