New barrier coating materials for PV module backsheets

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/m/sup 2/-day at 37.8/spl deg/C and have shown...

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Bibliographic Details
Main Authors: Barber, G.D., Jorgensen, G.J., Terwilliger, K., Glick, S.H., Pern, J., McMahon, T.J.
Format: Conference Proceeding
Language:English
Subjects:
Adhesives
Applied sciences
Coatings
Conductivity
Energy
Equipments, installations and applications
Exact sciences and technology
Moisture
Natural energy
Photovoltaic conversion
Polyethylene
Polymers
Positron emission tomography
Sheet materials
Solar energy
Transistors
Xenon
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Summary: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/m/sup 2/-day at 37.8/spl deg/C and have shown excellent adhesion (> 10 N/mm) to both ethylene vinyl acetate (EVA) and PET even 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.
ISSN:1060-8371
DOI:10.1109/PVSC.2002.1190906