New Barrier Coating Materials for PV Module Backsheets: Preprint

    Research output: Contribution to conferencePaper


    This conference paper describes the high moisture barrier high resistivity coatings on polyethylene terepthalate (PET) have been fabricated and characterized for use in PV module back sheet applications. These thin film barriers exhibit water vapor transmission rates (WVTR) as low as 0.1 g/m2-day at 37.8 ?C and have shown excellent adhesion (> 10 N/mm) to both ethylene vinyl acetate (EVA) and PETeven after filtered xenon arc lamp UV exposure. The WVTR and adhesion values for this construction are compared to and shown to be superior to candidate polymeric backsheet materials.
    Original languageAmerican English
    Number of pages7
    StatePublished - 2002
    Event29th IEEE PV Specialists Conference - New Orleans, Louisiana
    Duration: 20 May 200224 May 2002


    Conference29th IEEE PV Specialists Conference
    CityNew Orleans, Louisiana

    Bibliographical note

    Prepared for the 29th IEEE PV Specialists Conference, 20-24 May; 2002, New Orleans, Louisiana

    NREL Publication Number

    • NREL/CP-520-31473


    • back sheet applications
    • ethylene vinyl acetate
    • EVA
    • high moisture barrier
    • high resistivity coatings
    • polyethylene terephthalate (PET)
    • PV
    • water vapor transmission rates (WVTR)


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