Effects of concentrated sunlight on organic photovoltaics

被引：63

作者：

Tromholt, Thomas ^{[2
]}

Katz, Eugene A. ^{[1
,3
]}

Hirsch, Baruch ^{[1
]}

Vossier, Alexis ^{[1
]}

Krebs, Frederik C. ^{[2
]}

机构：

[1] Ben Gurion Univ Negev, Jacob Blaustein Inst Desert Res, Dept Solar Energy & Environm Phys, IL-84990 Midreshet Sede Boker, Israel

[2] Tech Univ Denmark, Riso Natl Lab Sustainable Energy, DK-4000 Roskilde, Denmark

[3] Ben Gurion Univ Negev, Ilse Katz Inst Nanoscale Sci & Technol, IL-84105 Beer Sheva, Israel

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 07期

关键词：

optical fibres; power conversion; solar cells; solar radiation; sunlight; PLASTIC SOLAR-CELLS; LIFETIME;

D O I：

10.1063/1.3298742

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the effects of concentrated sunlight on key photovoltaic parameters and stability of organic photovoltaics (OPV). Sunlight collected and concentrated outdoors was focused into an optical fiber and delivered onto a 1 cm(2) bulk-heterojunction cell. Sunlight concentration C was varied gradually from 0.2 to 27 suns. Power conversion efficiency exhibited slow increase with C that was followed by saturation around 2% at C=0.5-2.5 suns and subsequent strong reduction. Possible OPV applications in stationary solar concentrators (C < 2 suns) are discussed. Finally, experiments at C=55-58 suns demonstrated potential of our approach for accelerated studies of light induced mechanisms in the OPV degradation.

引用

页数：3

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