Effect of UV illumination on perylene-doped luminescent solar concentrators: a cautionary tale

Lex Vingerhoets, Jeroen ter Schiphorst, Wilfred Hagen, Michael Debije (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The luminescent solar concentrator has the potential of widespread use as a generator of electricity from sunlight well-suited for use in the urban environment owing to its adaptability in shape and coloration. The device performance is heavily dependent on the ability to transport light long distances to the edges. A common organic luminophore used in the device is based on a perylene core. In this work, we describe an overlooked effect of UV illumination on the appearance and efficiency of these devices. An additional absorption peak appears upon polymerization under intense UV in nitrogen atmosphere which significantly reduces the edge emissions from the device. The additional absorbance peak disappears after exposure to air, indicating the presence of a radical anion being formed during the UV light exposure. This suggests newly-produced LSC devices should be allowed to stand a period of time under ambient conditions before their performance characteristics are determined, which could have implications in potential future commercialization of the technology.

LanguageEnglish
Pages314-317
Number of pages4
JournalSolar Energy
Volume189
DOIs
StatePublished - 1 Sep 2019

Fingerprint

Perylene
Solar concentrators
Ultraviolet radiation
Anions
Nitrogen
Negative ions
Electricity
Lighting
Polymerization
Air

Keywords

  • Luminescent solar concentrator
  • Perylene dye
  • Radical anion
  • Ultraviolet light

Cite this

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abstract = "The luminescent solar concentrator has the potential of widespread use as a generator of electricity from sunlight well-suited for use in the urban environment owing to its adaptability in shape and coloration. The device performance is heavily dependent on the ability to transport light long distances to the edges. A common organic luminophore used in the device is based on a perylene core. In this work, we describe an overlooked effect of UV illumination on the appearance and efficiency of these devices. An additional absorption peak appears upon polymerization under intense UV in nitrogen atmosphere which significantly reduces the edge emissions from the device. The additional absorbance peak disappears after exposure to air, indicating the presence of a radical anion being formed during the UV light exposure. This suggests newly-produced LSC devices should be allowed to stand a period of time under ambient conditions before their performance characteristics are determined, which could have implications in potential future commercialization of the technology.",
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Effect of UV illumination on perylene-doped luminescent solar concentrators : a cautionary tale. / Vingerhoets, Lex; ter Schiphorst, Jeroen; Hagen, Wilfred; Debije, Michael (Corresponding author).

In: Solar Energy, Vol. 189, 01.09.2019, p. 314-317.

Research output: Contribution to journalArticleAcademicpeer-review

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