Transparent luminescent solar concentrators for large-area solar windows enabled by massive stokes-shift nanocluster phosphors

Yimu Zhao, Richard R. Lunt

    Research output: Contribution to journalArticle

    • 41 Citations

    Abstract

    Integrating solar-harvesting systems into the building envelope is a transformative route to improving building effi ciency, capturing large areas of solar energy, and lowering effective solar cell installation costs by piggybacking on the installation, framing, and maintenance of the existing building envelope. However, the widespread adoption of such a pathway is typically hampered by diffi culties associated with mounting traditional photovoltaic (PV) modules in non-standard confi gurations on and around buildings due to added structural cost, architectural impedance, and most importantly, aesthetics. To overcome these hurdles we have developed a luminescent solar concentrator (LSC) employing novel nanocrystal-polymer blends that allow for selective ultraviolet light harvesting that results in a high degree of visible light transmittance. These transparent LSCs offer a different route to large area scaling with high defect tolerances compared to other transparent photovoltaic devices. These systems have signifi cant potential in 1) energy scavenging electronics displays, 2) autonomous electrochromicwindows, 3) visible-blind detectors, and 4) coatings for improved UV response and protection of traditional solar installations.

    Original languageEnglish (US)
    Pages (from-to)1143-1148
    Number of pages6
    JournalAdvanced Energy Materials
    Volume3
    Issue number9
    DOIs
    StatePublished - 2013

    Profile

    T Lymphocyte Differentiation Antigens
    beta-Endorphin
    Solar concentrators
    Costs
    Nicarbazin
    Acetabularia
    Pharmacy and Therapeutics Committee
    Gossypium
    Antimetabolites
    Human Engineering
    Nanoclusters
    Scavenging
    Polymer blends
    Ultraviolet Rays
    Mountings
    Phosphors
    Ascorbic Acid
    Solar cells
    Defects
    Nanocrystals

    ASJC Scopus subject areas

    • Renewable Energy, Sustainability and the Environment
    • Materials Science(all)

    Cite this

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    abstract = "Integrating solar-harvesting systems into the building envelope is a transformative route to improving building effi ciency, capturing large areas of solar energy, and lowering effective solar cell installation costs by piggybacking on the installation, framing, and maintenance of the existing building envelope. However, the widespread adoption of such a pathway is typically hampered by diffi culties associated with mounting traditional photovoltaic (PV) modules in non-standard confi gurations on and around buildings due to added structural cost, architectural impedance, and most importantly, aesthetics. To overcome these hurdles we have developed a luminescent solar concentrator (LSC) employing novel nanocrystal-polymer blends that allow for selective ultraviolet light harvesting that results in a high degree of visible light transmittance. These transparent LSCs offer a different route to large area scaling with high defect tolerances compared to other transparent photovoltaic devices. These systems have signifi cant potential in 1) energy scavenging electronics displays, 2) autonomous electrochromicwindows, 3) visible-blind detectors, and 4) coatings for improved UV response and protection of traditional solar installations.",
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