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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 24 — Nov. 21, 2011
  • pp: 24308–24313

Cylindrical luminescent solar concentrators with near-infrared quantum dots

R. H. Inman, G. V. Shcherbatyuk, D. Medvedko, A. Gopinathan, and S. Ghosh  »View Author Affiliations

Optics Express, Vol. 19, Issue 24, pp. 24308-24313 (2011)

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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.

© 2011 OSA

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(260.3060) Physical optics : Infrared
(260.3800) Physical optics : Luminescence
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Solar Energy

Original Manuscript: July 6, 2011
Revised Manuscript: September 29, 2011
Manuscript Accepted: September 30, 2011
Published: November 14, 2011

R. H. Inman, G. V. Shcherbatyuk, D. Medvedko, A. Gopinathan, and S. Ghosh, "Cylindrical luminescent solar concentrators with near-infrared quantum dots," Opt. Express 19, 24308-24313 (2011)

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