XPS analysis of photovoltaic EVA encapsulants and interfacial damp heat degradation products
Sprache des Vortragstitels:
Englisch
Original Tagungtitel:
ASIA-PACIFIC SOLAR RESEARCH CONFERENCE
Sprache des Tagungstitel:
Englisch
Original Kurzfassung:
The lifetime of a photovoltaic module depends significantly on the used polymeric encapsulant. Ethylene vinyl acetate copolymer grades (EVA) are still dominating the market. The main objective of this study was to evaluate various EVA grades, to establish structure-property correlations and to elucidate the degradation products at the EVA/solar glass interface. While well-established characterization methods such as infrared spectroscopy (IR) or differential scanning calorimetry (DSC) were also used, special attention was given to advanced X-ray photoelectron spectroscopy (XPS). The XPS results were systematically compared to IR and DSC data.
Forschungs-