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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Gas Chromatograph-Mass Spectrometry, Mass Spectrometry, Molecular Spectroscopy, FTIR Spectroscopy
Ethylene-Vinyl Acetate (EVA), EVA film, UV-induced degradation, UV (Ultraviolet)-Py (double-shot pyrolyzer) /GC-MS, Evolved Gas, Analysis by Mass Spectrometry (EGA-MS), Electronics, Electronic, UV-1047Xe, PY-3030D, GCMS-QP2020, IRAffinity-1S
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