Two-dimensional correlation spectroscopy studies on degradation of photovoltaic backsheets from indoor to outdoor

• Published in: Polymer degradation and stability Vol. 181; p. 109341
• Main Authors: Xu, Shuyu, Lyu, Yadong, Noda, Isao, Mao, Yimin, Fairbrother, Andrew, Gu, Xiaohong
• Format: Journal Article
• Language: English
• Published: London Elsevier Ltd 01.11.2020; Elsevier BV
• Subjects: Accelerated laboratory exposure; Aridity; Correlation analysis; Degradation; Ethylene vinyl acetates; Infrared analysis; Infrared spectra; Malfunctions; NIST SPHERE; Outdoor exposure; Photodegradation; Photovoltaic backsheets; Photovoltaic cells; Polyethylene terephthalate; Prediction models; Relative humidity; Spectrum analysis; Studies; Two dimensional analysis; Two-dimensional correlation spectroscopy; Weathering; Degradation; NIST SPHERE; Outdoor exposure; Two-dimensional correlation spectroscopy; Polyethylene terephthalate; Accelerated laboratory exposure; Photovoltaic backsheets

•2D correlation spectroscopic analysis resolved differences of PPE degradation at different temperatures.•PPE degradation at various outdoor conditions was monitored up to 9 months by IR.•Degradation of PPE films accelerated at 45 °C indoor was more characteristic to its outdoor degradation. Degrada...