ArticleMolecules (Basel, Switzerland)2022
Comparison of ATR-FTIR and O-PTIR Imaging Techniques for the Characterisation of Zinc-Type Degradation Products in a Paint Cross-Section.
Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- Crossing scales and eras: Correlative multimodal microscopy heritage studies.Journal of microscopy · 2026Article
- Characterization by Spectroscopic and Microscopic Techniques of Degraded Zinc White Pigment inACS omega · 2025Article
- A tutorial on optical photothermal infrared (O-PTIR) microscopy.APL photonics · 2024Article
- Mid-infrared Photothermal Imaging: Instrument and Life Science Applications.Analytical chemistry · 2024Review
- Nanodomain Control in Carbon Molecular Sieve Membranes via Nanomaterial Footprinting.Small science · 2024Article
- Application of Vibrational Spectroscopic Techniques in the Study of the Natural Polysaccharides and Their Cross-Linking Process.International journal of molecular sciences · 2023Review
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Authors and funding
3 authors.
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Abstract
ATR-FTIR (attenuated total reflection-Fourier-transform infrared) microscopy with imaging is widely used in the heritage field to characterise complex compositions of paint cross-sections. However, some limitations include the need for ATR crystal contact with the sample and the inability to resolve particle size below the IR diffraction limit. Recently, a novel O-PTIR (optical-photothermal infrared) spectroscopy technique claimed to open a new avenue for non-invasive, efficient, and reliable analysis at sub-micron resolution. O-PTIR produces transmission-like FTIR spectra for interpretation, without the need to touch the sample, which are highly favourable attributes for analysing heritage samples. This paper reports the comparison of O-PTIR and ATR-FTIR techniques applied to a cross-section embedding a thin paint fragment that delaminated from a late 19th to early 20th-century oil portrait. The hazy paint fragment consisted of zinc soaps (both crystalline and amorphous), gordaite (NaZn
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