Journal
OPTICS EXPRESS
Volume 19, Issue 24, Pages 24308-24313Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.024308
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Funding
- UC Solar
- James S. McDonell Foundation
- NSF [DMR-821771, EF-1038697]
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We investigate the performance of cylindrical luminescent solar concentrators (CLSCs) with near-infrared lead sulfide quantum dots (QDs) in the active region. We fabricate solid and hollow cylinders from a composite of QDs in polymethylmethacrylate, prepared by radical polymerization, and characterize sample homogeneity and optical properties using spectroscopic techniques. We additionally measure photo-stability and photocurrent outputs under both laboratory and external ambient conditions. The experimental results are in good agreement with theoretical calculations which demonstrate that the hollow CLSCs have higher absorption of incident radiation and lower self-absorption compared to solid cylindrical and planar geometries with similar geometric factors, resulting in a higher optical efficiency. (C) 2011 Optical Society of America
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