Enhancing the performance of solar cells via luminescent down-shifting of the incident spectrum: A review

Efthymios Klampaftis, David Ross, Keith R. McIntosh, Bryce S. Richards

Research output: Contribution to journalLiterature review

381 Citations (Scopus)

Abstract

The application of a luminescent down-shifting (LDS) layer has been proposed as a method for improving the poor spectral response (SR) of solar cells to short-wavelength light. The LDS layer absorbs photons, typically in the 300-500 nm range, and re-emits them at a longer wavelength where the photovoltaic (PV) device exhibits a significantly better response. This paper reviews the progress in this area over the last three decades, starting from early experiments that yielded promising results but being limited by the luminescent materials available at the time, to modern materials that exhibit higher luminescent quantum efficiencies and better photostability. The candidate materials are considered and their potential is reviewed for a wide range of PV technologies. A particular opportunity is the ability to use the existing polymer encapsulation layer of certain PV technologies as a LDS layer as well. © 2009 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)1182-1194
Number of pages13
JournalSolar Energy Materials and Solar Cells
Volume93
Issue number8
DOIs
Publication statusPublished - Aug 2009

Keywords

  • Down-shifting
  • Efficiency
  • Luminescent materials
  • Photovoltaics

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