Sensing Water Absorption in Hygrothermally Aged Epoxies with Terahertz Time-Domain Spectroscopy | Zendy

Hungyen Lin | Zendy; B. Russell | Zendy; Prince Bawuah | Zendy; J. Axel Zeitler | Zendy

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Sensing Water Absorption in Hygrothermally Aged Epoxies with Terahertz Time-Domain Spectroscopy

Author(s) -

Hungyen Lin,

B. Russell,

Prince Bawuah,

J. Axel Zeitler

Publication year - 2021

Publication title -

analytical chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.117

H-Index - 332

eISSN - 1520-6882

pISSN - 0003-2700

DOI - 10.1021/acs.analchem.0c04453

Subject(s) - terahertz radiation , terahertz time domain spectroscopy , terahertz spectroscopy and technology , chemistry , spectroscopy , absorption (acoustics) , gravimetric analysis , absorption spectroscopy , time domain , optoelectronics , analytical chemistry (journal) , optics , materials science , chromatography , organic chemistry , physics , quantum mechanics , computer science , computer vision

In the field of non-destructive testing, terahertz sensing has been used to analyze a wide range of materials where the most successful applications have involved materials that are semi-transparent to terahertz radiation. In this work, we demonstrate the sensitivity of terahertz time-domain spectroscopy to quantify water absorption in hygrothermally aged simple and commercial epoxy systems supported by conventional gravimetric analysis.

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