Measured Efficiency of a Luminescent Solar Concentrator PV Module Called Leaf Roof

Angele Reinders*, Michael G. Debije, Alexander Rosemann

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    21 Citations (Scopus)


    A functional prototype of a luminescent solar concentrator photovoltaic (LSC PV) module, called Leaf Roof, aims at demonstrating the design features of LSC PV technologies such as coloring, transparency, and flexibility in physical shape. In this paper, the prototype is presented and the first measurements of its performance are shown. The geometrical gain of this new type of PV module is 3.6. For two types of Leaf Roof modules, I- V curves have been measured resulting in efficiencies of 5.8% for a red-colored PV module, and 5.5% for a green-colored PV module under similar conditions. These results demonstrate colorful, robust solar energy collectors which can be produced in a wide variety of shapes are viable, attractive devices for use in building integrated systems. Additionally, thanks to the use of poly(methyl methacrylate) (PMMA) as a cell encapsulant, the Leaf Roof modules are less susceptible to energy losses at elevated temperatures due to high irradiance and high ambient temperature conditions.

    Original languageEnglish
    Article number8058432
    Pages (from-to)1663-1666
    Number of pages4
    JournalIEEE journal of photovoltaics
    Issue number6
    Publication statusPublished - 1 Nov 2017


    • Building integrated photovoltaic (PV)
    • luminescent solar concentrator (LSC)
    • PV module
    • 22/4 OA procedure


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