Amorphous Alumina ALD Coatings for the Protection of Limestone Cultural Heritage Objects
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample Preparation
2.2. Reflectance and Colorimetry
2.3. FTIR-ATR
2.4. Aqueous Acid Immersion and pH and pCa Tracking
2.5. Optical Microscopy
2.6. SEM-EDX
3. Results and Discussion
3.1. Appearance Changes
3.2. Verifying the Presence of ALD Alumina with FTIR-ATR
3.3. Morphology and Homogeneity of the ALD Coatings on Istria
3.4. pH Evolution to Measure Protection against Acid Attack
3.5. Optical Imaging
3.6. ICP-OES Analysis
3.7. Elemental and Morphological Changes from Acid Immersion
4. Conclusions
5. Patents
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Boyce, G.P.; Sreenilayam, S.; Balliana, E.; Zendri, E.; Phaneuf, R.J. Amorphous Alumina ALD Coatings for the Protection of Limestone Cultural Heritage Objects. Coatings 2024, 14, 931. https://doi.org/10.3390/coatings14080931
Boyce GP, Sreenilayam S, Balliana E, Zendri E, Phaneuf RJ. Amorphous Alumina ALD Coatings for the Protection of Limestone Cultural Heritage Objects. Coatings. 2024; 14(8):931. https://doi.org/10.3390/coatings14080931
Chicago/Turabian StyleBoyce, Gillian P., Suveena Sreenilayam, Eleonora Balliana, Elisabetta Zendri, and Raymond J. Phaneuf. 2024. "Amorphous Alumina ALD Coatings for the Protection of Limestone Cultural Heritage Objects" Coatings 14, no. 8: 931. https://doi.org/10.3390/coatings14080931
APA StyleBoyce, G. P., Sreenilayam, S., Balliana, E., Zendri, E., & Phaneuf, R. J. (2024). Amorphous Alumina ALD Coatings for the Protection of Limestone Cultural Heritage Objects. Coatings, 14(8), 931. https://doi.org/10.3390/coatings14080931