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Using Lenses to Improve the Output of a Patterned Luminescent Solar Concentrator

Authors

  • Shufen Tsoi,

    1. Chemical Engineering & Chemistry, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands
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  • Dirk J. Broer,

    1. Chemical Engineering & Chemistry, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands
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  • Cees W. M. Bastiaansen,

    1. Chemical Engineering & Chemistry, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands
    2. School of Engineering and Material Science, Queen Mary University of London, London E1 4NS, United Kingdom
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  • Michael G. Debije

    Corresponding author
    1. Chemical Engineering & Chemistry, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands
    • Chemical Engineering & Chemistry, Eindhoven University of Technology, Den Dolech 2, 5600 MB Eindhoven, The Netherlands.
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Abstract

Previous work demonstrated that reabsorption, a major loss mechanism in luminescent solar concentrators (LSCs), could be reduced by patterning luminescent dyes on the device surface; emission efficiency improved considerably. However, total light output decreased due to reduced absorption of the incident light. The results of adding a (poly)carbonate lens system to a patterned waveguide to focus more of the incident light on the line patterns are presented in this work. We demonstrate a set of parameters wherein a patterned LSC with lens system on a white background can outperform a standard fully-covered waveguide using a similar scatterer.

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