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Femtosecond Electron-Transfer Dynamics at a Sensitizing Dye−Semiconductor (TiO2) Interface
Open accessAbstract
The charge injection dynamics of dye sensitization from a surface-bound dye (coumarin 343 (C343)) to the conduction band (CB) of the TiO 2 is reported here for the first time. Ultrafast fluorescence dynamics demonstrate that the charge injection from the C343 dye to the CB of the TiO 2 occurs on a time scale of ca. 200 fs. The charge injection efficiency is attributed to strong electronic coupling between the dye and TiO 2 energy levels. The results yield a rate of injection of 5 × 10 12 s -1 .
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Citations
Cites
A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films
O'Regan, B., & Grätzel, M. (1991) · Nature · doi:10.1038/353737a0 · Cited by 28,599
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Polo, A. S., Itokazu, M. K., & Murakami Iha, N. Y. (2004) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2004.04.013 · Cited by 554
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ULTRAFAST ELECTRON TRANSFER AT THE MOLECULE-SEMICONDUCTOR NANOPARTICLE INTERFACE
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Charge transport in hybrid nanorod-polymer composite photovoltaic cells
Huynh, W. U., Dittmer, J. J., Teclemariam, N., Milliron, D. J., Alivisatos, A. P., & Barnham, K. W. J. (2003) · Physical Review B · doi:10.1103/physrevb.67.115326 · Cited by 280
Metadata
- Authors
- Rehm, J. M., McLendon, G. L., Nagasawa, Y., Yoshihara, K., Moser, J., & Grätzel, M.
- Venue
- The Journal of Physical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 100
- Issue
- 23
- Pages
- 9577-9578
- ISSN
- 0022-3654 (ISSN-L)
- 1541-5740
- OpenAlex
- W2004013304
- Cited by
- 387
- References
- 1
- FWCI
- 23.20
- Type
- journal article
- Language
- en
- Open access
- green
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