4.6 Article

Monte Carlo study of PbSe quantum dots as the fluorescent material in luminescent solar concentrators

Journal

OPTICS EXPRESS
Volume 22, Issue 1, Pages A35-A43

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.22.000A35

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Funding

  1. National Science Foundation [ECCS0846018]
  2. NSFC [61078007]
  3. Shanghai Municipal Education Commission
  4. Science and Technology Commission of Shanghai Municipality [11530502200]
  5. Program for New Century Excellent Talents in University
  6. Div Of Electrical, Commun & Cyber Sys
  7. Directorate For Engineering [0846818] Funding Source: National Science Foundation

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In this paper, Monte Carlo simulations were performed to determine the potential efficiencies of luminescent solar concentrator (LSC) systems using PbSe quantum dots (QDs) as the active fluorescent material. The simulation results suggest that PbSe QD LSCs display good absorption characteristics, but yield limited LSC power conversion efficiency due to self-absorption and down-conversion loss. It is proposed that the self-absorption loss can be reduced by utilizing Forster resonance energy transfer between two different sizes of PbSe QDs, yielding pronounced improvement in the optical efficiency of LSCs. (C) 2013 Optical Society of America

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