The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
FT-IR Study of Water Adsorption on Aluminum Oxide Surfaces
Abstract
In this study, transmission FT-IR spectroscopy is used to investigate the adsorption of water on aluminum oxide surfaces, including both single-crystal and particle surfaces. The FT-IR spectra of the (0001) surface of α-Al 2 O 3 single crystals at 296 K in the presence of 0.2 to 20 Torr H 2 O vapor pressure corresponding to 1 to 95% relative humidity (RH) have been measured. The FT-IR spectra are shown to change as a function of RH. At low relative humidity, below approximately 10%, water adsorbs on the surface in an ordered fashion with the formation of a stable hydroxide layer. At intermediate RH, between 10 and 70% RH, water adsorbs molecularly in a structured overlayer. At high RH, greater than 70%, water adsorption is more disordered and consistent with the formation of a liquid-like water layer. The adsorption of nitric acid on α-Al 2 O 3 (0001) prior to water adsorption is shown to only slightly modify the water infrared spectra. A discussion of the quantification of the number of water layers on the α-Al 2 O 3 (0001) surface as a function of RH as well as a comparison of water adsorption on single-crystal α-Al 2 O 3 (0001) to that on α- and γ-Al 2 O 3 powders are presented here.
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Cites
Icelike Water Monolayer Adsorbed on Mica at Room Temperature
Miranda, P. B., Xu, L., Shen, Y. R., & Salmeron, M. (1998) · Physical Review Letters · doi:10.1103/physrevlett.81.5876 · Cited by 335
Cited by
Molecular Structure of Water at Interfaces: Wetting at the Nanometer Scale
Verdaguer, A., Sacha, G. M., Bluhm, H., & Salmeron, M. (2006) · Chemical Reviews · doi:10.1021/cr040376l · Cited by 627
Interfacial Thermal Conductance of Transfer‐Printed Metal Films
Oh, D., Kim, S., Rogers, J. A., Cahill, D. G., & Sinha, S. (2011) · Advanced Materials · doi:10.1002/adma.201102994 · Cited by 77
Mullenbach, J., Peshkin, M., & Colgate, J. E. (2017) · IEEE Transactions on Haptics · doi:10.1109/toh.2016.2630057 · Cited by 43
Time-Resolved Studies of Water Dynamics and Proton Transfer at the Alumina−Air Interface
Le Caër, S., Palmer, D. J., Lima, M., Renault, J. P., Vigneron, G., Righini, R., & Pommeret, S. (2007) · Journal of the American Chemical Society · doi:10.1021/ja0691730 · Cited by 25
Metadata
- Authors
- Al-Abadleh, H. A., & Grassian, V. H.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-12-21
- Volume
- 19
- Issue
- 2
- Pages
- 341-347
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W1984522603
- Cited by
- 440
- References
- 1
- FWCI
- 2.48
- Type
- journal article
- Language
- en
- Open access
- closed
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