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The Discovery and Study of Nanocrystalline TiO2-(MoO3) Core−Shell Materials
Abstract
Here we report the synthesis of a series of new nanocrystalline TiO 2 -(MoO 3 ) core−shell materials whose photoabsorption energy (PE, the energy required to excite TiO 2 -core valence band electrons to MoO 3 -shell conduction band states) properties are correlated with both the nanoparticle size and the degree of chemical interaction between the TiO 2 core and the MoO 3 shell. The TiO 2 -(MoO 3 ) nanoparticle size can be readily adjusted from 80 to 40 Å, and in this series, the PE decreases from 2.88 to 2.60 eV with decreasing particle size. The systematic PE red-shift exhibited by the core−shell materials is ascribed to the change in the relative position of the MoO 3 -shell conduction band as it evolves from less than a monolayer to a two monolayer shell.
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Dabbousi, B. O., Rodriguez-Viejo, J., Mikulec, F. V., Heine, J. R., Mattoussi, H., Ober, R., Jensen, K. F., & Bawendi, M. G. (1997) · The Journal of Physical Chemistry B · doi:10.1021/jp971091y · Cited by 4,229
Perspectives on the Physical Chemistry of Semiconductor Nanocrystals
Alivisatos, A. P. (1996) · The Journal of Physical Chemistry · doi:10.1021/jp9535506 · Cited by 3,595
Cited by
A review of TiO2 nanoparticles
Gupta, S. M., & Tripathi, M. (2011) · Chinese Science Bulletin · doi:10.1007/s11434-011-4476-1 · Cited by 1,270
Nanocomposites of TiO2 and Reduced Graphene Oxide as Efficient Photocatalysts for Hydrogen Evolution
Fan, W., Lai, Q., Zhang, Q., & Wang, Y. (2011) · The Journal of Physical Chemistry C · doi:10.1021/jp2008804 · Cited by 632
Metadata
- Authors
- Elder, S. H., Cot, F. M., Su, Y., Heald, S. M., Tyryshkin, A. M., Bowman, M. K., Gao, Y., Joly, A. G., Balmer, M. L., Kolwaite, A. C., Magrini, K. A., & Blake, D. M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2000-05-01
- Volume
- 122
- Issue
- 21
- Pages
- 5138-5146
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2952579736
- Cited by
- 169
- References
- 2
- FWCI
- 7.05
- Type
- journal article
- Language
- en
- Open access
- closed
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- Elder, S. H., Cot, F. M., Su, Y., Heald, S. M., Tyryshkin, A. M., Bowman, M. K., Gao, Y., Joly, A. G., Balmer, M. L., Kolwaite, A. C., Magrini, K. A., & Blake, D. M. (2000). The Discovery and Study of Nanocrystalline TiO2-(MoO3) Core−Shell Materials. Journal of the American Chemical Society. https://doi.org/10.1021/ja992768t
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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