A luminescent solar concentrator with 7.1% power conversion efficiency

被引：355

作者：

Slooff, L. H. ^{[1
]}

Bende, E. E. ^{[1
]}

Burgers, A. R. ^{[1
]}

Budel, T. ^{[1
]}

Pravettoni, M. ^{[2
]}

Kenny, R. P. ^{[2
]}

Dunlop, E. D. ^{[2
]}

Buechtemann, A. ^{[3
]}

机构：

[1] Energy Res Ctr Netherlands ECN, NL-1755 ZG Petten, Netherlands

[2] Joint Res Ctr European Commiss, Inst Energy, Renewable Energies Unit, I-21027 Ispra, VA, Italy

[3] Fraunhofer Inst Appl Polymer Res FhG IAP, D-14476 Golm, Germany

来源：

PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2008年 / 2卷 / 06期

关键词：

Conversion efficiency - Solar concentrators - Concentration (process) - Refractive index - Luminescence - Semiconducting gallium - Silicon compounds - III-V semiconductors - Incident light - Solar cells;

D O I：

10.1002/pssr.200802186

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Luminescent Solar Concentrator (LSC) consists of a transparent polymer plate, containing luminescent particles. Solar cells are connected to one or more edges of the polymer plate. Incident light is absorbed by the luminescent particles and re-emitted. Part of the light emitted by the luminescent particles is guided towards the solar cells by total internal reflection. Since the edge area is smaller than the receiving one, this allows for concentration of sunlight without the need for solar tracking. External Quantum Efficiency (EQE) and current-voltage (I-V) measurements were performed on LSC devices with multicrystalline silicon (mc-Si) or GaAs cells attached to the sides. The best result was obtained for an LSC with four GaAs cell power conversion efficiency of this device, as measured at European Solar Test Installation laboratories, was 7.1% (geometrical concentration of a factor 2.5). With one GaAs cell attached to one edge only, the power efficiency was still as high as 4.6% (geometrical concentration of a factor 10). To our knowledge these efficiencies are among. the highest reported for the LSC.

引用

页码：257 / 259

页数：3

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