Limits of Visibly Transparent Luminescent Solar Concentrators

Chenchen Yang, Richard R. Lunt

    Research output: Research - peer-reviewReview article

    • 1 Citations

    Abstract

    Visibly transparent solar harvesting surfaces are an exciting new approach to harvesting solar energy around buildings and mobile electronics to improve their efficiency and autonomy without impacting their appearance. The recent demonstration of ultraviolet (UV) and near-infrared (NIR) selective light harvesters have enabled transparent luminescent solar concentrators (LSCs) that boast unparalleled scalability, flexibility, aesthetic quality, and affordability. Consequently, the question of the efficiency limits has emerged in these new systems. In this perspective, the theoretical efficiency limits of these concentrator systems are reviewed and practical considerations are outlined to approach these limits. For UV and UV/NIR selective harvesting single-junction transparent LSCs are constrained thermodynamically to 21%, which increases to over 35% in fully transparent multipanel devices with light trapping. In deriving these limits, key material and engineering challenges are identified to fully optimize transparent solar concentrators that can push them towards commercial reality.

    LanguageEnglish (US)
    Article number1600851
    JournalAdvanced Optical Materials
    Volume5
    Issue number8
    DOIs
    StatePublished - Apr 18 2017

    Profile

    Solar concentrators
    concentrators
    Infrared radiation
    Harvesters
    Solar energy
    Scalability
    Electronic equipment
    Demonstrations
    autonomy
    solar energy
    flexibility
    trapping
    engineering
    electronics

    Keywords

    • reabsorption loss
    • Stokes shift
    • theoretical efficiency limits
    • transparent luminescent solar concentrators
    • transparent solar cells

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics

    Cite this

    Limits of Visibly Transparent Luminescent Solar Concentrators. / Yang, Chenchen; Lunt, Richard R.

    In: Advanced Optical Materials, Vol. 5, No. 8, 1600851, 18.04.2017.

    Research output: Research - peer-reviewReview article

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