# Distinguishing between different types of multi‐layered PET‐based backsheets of PV modules with near‐infrared spectroscopy

> Research article (Progress in Photovoltaics Research and Applications, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3212507245](https://www.wikidata.org/wiki/openalex:W3212507245)  
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