Photodegradation in multiple-dye luminescent solar concentrators

Alex M. Mooney, Kathryn E. Warner, Paul J. Fontecchio, Yu Zhong Zhang, Bruce Paul Wittmershaus

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Combining multiple organic dyes to form a fluorescence resonance energy transfer (FRET) network is a useful strategy for extending the spectral range of sunlight absorbed by a luminescent solar concentrator (LSC). Excitation transfer out of the higher energy level dyes in the transfer series competes effectively with their photodegradation rates. Improvements in photostability up to a factor of 18 are observed for the first dye in the FRET series. FRET networks are shown to be a viable means of decreasing the rate of photodegradation of organic dyes used in LSCs. This comes at the expense of the final dye in the network; the depository of most of the excitations created by absorbing sunlight. The photostability and performance of an efficient FRET LSC rest heavily on the photostability and fluorescence quantum yield of the final dye.

Original languageEnglish (US)
Pages (from-to)469-472
Number of pages4
JournalJournal of Luminescence
Volume143
DOIs
StatePublished - Jul 5 2013

Fingerprint

Solar concentrators
Photolysis
concentrators
Photodegradation
Fluorescence Resonance Energy Transfer
Coloring Agents
dyes
resonance fluorescence
energy transfer
Sunlight
sunlight
Quantum yield
Electron energy levels
excitation
Fluorescence
energy levels
fluorescence

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

Cite this

Mooney, Alex M. ; Warner, Kathryn E. ; Fontecchio, Paul J. ; Zhang, Yu Zhong ; Wittmershaus, Bruce Paul. / Photodegradation in multiple-dye luminescent solar concentrators. In: Journal of Luminescence. 2013 ; Vol. 143. pp. 469-472.
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Photodegradation in multiple-dye luminescent solar concentrators. / Mooney, Alex M.; Warner, Kathryn E.; Fontecchio, Paul J.; Zhang, Yu Zhong; Wittmershaus, Bruce Paul.

In: Journal of Luminescence, Vol. 143, 05.07.2013, p. 469-472.

Research output: Contribution to journalArticle

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AU - Zhang, Yu Zhong

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