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The Importance of Bulk Ti3+Defects in the Oxygen Chemistry on Titania Surfaces
Abstract
The role of bulk defects in the oxygen chemistry on reduced rutile TiO(2)(110)-(1 × 1) has been studied by means of temperature-programmed desorption spectroscopy and scanning tunneling microscopy measurements. Following O(2) adsorption at 130 K, the amount of O(2) desorbing at ∼410 K initially increased with increasing density of surface oxygen vacancies but decreased after further reduction of the TiO(2)(110) crystal. We explain these results by withdrawal of excess charge (Ti(3+)) from the TiO(2)(110) lattice to oxygen species on the surface and by a reaction of Ti interstitials with O adatoms upon heating. Important consequences for the understanding of the O(2)-TiO(2) interaction are discussed.
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The surface science of titanium dioxide
Diebold, U. (2003) · Surface Science Reports · doi:10.1016/s0167-5729(02)00100-0 · Cited by 7,944
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
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Li, X., Yu, J., Low, J., Fang, Y., Xiao, J., & Chen, X. (2015) · Journal of Materials Chemistry A · doi:10.1039/c4ta04461d · Cited by 1,888
Photocatalysis with Reduced TiO2: From Black TiO2 to Cocatalyst-Free Hydrogen Production
Naldoni, A., Altomare, M., Zoppellaro, G., Liu, N., Kment, Š., Zbořil, R., & Schmuki, P. (2019) · ACS Catalysis · doi:10.1021/acscatal.8b04068 · Cited by 770
Wang, S., Pan, L., Song, J.-J., Mi, W., Zou, J.-J., Wang, L., & Zhang, X. (2015) · Journal of the American Chemical Society · doi:10.1021/ja512047k · Cited by 718
Recent advance in MXenes: A promising 2D material for catalysis, sensor and chemical adsorption
Zhu, J., Ha, E., Zhao, G., Zhou, Y., Huang, D., Yue, G., Hu, L., Sun, N., Wang, Y., Lee, L. Y. S., et al. (2017) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2017.09.012 · Cited by 659
Deshmukh, K., Kovářík, T., & Khadheer Pasha, S. K. (2020) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2020.213514 · Cited by 282
Metadata
- Authors
- Lira, E., Wendt, S., Huo, P., Hansen, J. Ø., Streber, R., Porsgaard, S., Wei, Y., Bechstein, R., Lægsgaard, E., & Besenbacher, F.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-04-11
- Volume
- 133
- Issue
- 17
- Pages
- 6529-6532
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2317346168
- Cited by
- 227
- References
- 2
- FWCI
- 7.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lira, E., Wendt, S., Huo, P., Hansen, J. Ø., Streber, R., Porsgaard, S., Wei, Y., Bechstein, R., Lægsgaard, E., & Besenbacher, F. (2011). The Importance of Bulk Ti3+Defects in the Oxygen Chemistry on Titania Surfaces. Journal of the American Chemical Society. https://doi.org/10.1021/ja200884w
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