UV Degradation Analysis of Material for Solar Cell Modules Using GC/MS and FTIR

Materials for solar cell modules are expected to maintain their performance for over a decade despite the harsh environmental conditions such as high temperatures and ultraviolet irradiation to which they are subjected outdoors. However, there is concern that UV-induced degradation may occur in materials used in modules such as ethylene-vinyl acetate (EVA) which is a copolymer used as a clear encapsulation film. This article introduces three example analyses: analysis of EVA film subjected to intense UV irradiation using a UV (ultraviolet) -Py (double-shot pyrolyzer) / GC-MS (gas chromatograph mass spectrometer) system, evolved gas analysis by mass spectrometry (EGA-MS) of EVA film which was degraded by UV irradiation in the same way as with the above, and analysis of the same using a Fourier transform infrared spectrophotometer (FTIR).

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Application Note
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Molecular Spectroscopy, FTIR Spectrophotometers, Gas Chromatography Mass Spectrometry (GC-MS)
Materials/Automotive, Electronics/Semiconductors, GCMS-QP2020 NX Single Quadrupole GC-MS, IRAffinity-1S Fourier transform infrared spectrophotometer
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