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Orientation Dependence of Photochemical Reactions on TiO2 Surfaces
Abstract
The photochemistry of oriented rutile surfaces has been examined using the photoreduction of Ag + to Ag metal from an aqueous solution onto the TiO 2 surfaces. The photochemical reaction rates and quantum yields of rutile films were found to be a function of the orientation of the rutile surface. The (100) and (110) rutile orientations have lower photoreduction rates than the (101), (111), and (001). This dependence of the photochemical reaction rates on film surface orientation is observed over a range of light intensities, illumination wavelengths, and film thicknesses. Atomic force microscopy has been used to characterize the morphologies of the film surfaces and the photoreduced Ag at these surfaces. Several properties of rutile, such as the surface morphology, surface chemistry, space charge phenomena, and charge transport, are discussed in relation to their possible contributions to the orientation dependence of the photochemistry on the rutile films.
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Cited by
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Diebold, U. (2003) · Surface Science Reports · doi:10.1016/s0167-5729(02)00100-0 · Cited by 7,944
TiO2 photocatalysis and related surface phenomena
FUJISHIMA, A., ZHANG, X., & TRYK, D. (2008) · Surface Science Reports · doi:10.1016/j.surfrep.2008.10.001 · Cited by 6,737
Surface Science Studies of the Photoactivation of TiO 2 New Photochemical Processes
Thompson, T. L., & Yates, J. T. (2006) · Chemical Reviews · doi:10.1021/cr050172k · Cited by 2,064
Why is anatase a better photocatalyst than rutile? - Model studies on epitaxial TiO2 films
Luttrell, T., Halpegamage, S., Tao, J., Kramer, A., Sutter, E., & Batzill, M. (2014) · Scientific Reports · doi:10.1038/srep04043 · Cited by 1,544
Photocatalysts with internal electric fields
Li, L., Salvador, P. A., & Rohrer, G. S. (2014) · Nanoscale · doi:10.1039/c3nr03998f · Cited by 774
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Metadata
- Authors
- Morris Hotsenpiller, P. A., Bolt, J. D., Farneth, W. E., Lowekamp, J. B., & Rohrer, G. S.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-04-01
- Volume
- 102
- Issue
- 17
- Pages
- 3216-3226
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2079735034
- Cited by
- 198
- References
- 0
- FWCI
- 5.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- Morris Hotsenpiller, P. A., Bolt, J. D., Farneth, W. E., Lowekamp, J. B., & Rohrer, G. S. (1998). Orientation Dependence of Photochemical Reactions on TiO2 Surfaces. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp980104k
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
