Optimized excitation energy transfer in a three-dye luminescent solar concentrator

Sheldon T. Bailey, Gretchen E. Lokey, Melinda S. Hanes, John D.M. Shearer, Jason B. McLafferty, Gregg T. Beaumont, Timothy T. Baseler, Joshua M. Layhue, Dustin R. Broussard, Yu Zhong Zhang, Bruce P. Wittmershaus

Research output: Contribution to journalArticlepeer-review

107 Scopus citations


The spectral range of sunlight absorbed by a luminescent solar concentrator (LSC) is increased by using multiple dyes. Absorption, fluorescence, and fluorescence excitation spectra, and relative light output are reported for LSCs made with one, two, or three BODIPY dyes in a thin polymer layer on glass. Losses caused by multiple emission and reabsorption events are minimized by optimizing resonance excitation energy transfer between dyes. Increases in the outputs from the multiple-dye LSCs are directly proportional to increases in the number of photons absorbed. The output of the three-dye LSC is 45-170% higher than those of the single-dye LSCs.

Original languageEnglish (US)
Pages (from-to)67-75
Number of pages9
JournalSolar Energy Materials and Solar Cells
Issue number1
StatePublished - Jan 5 2007

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films


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