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Design of antenna-sensitizer polynuclear complexes. Sensitization of titanium dioxide with [Ru(bpy)2(CN)2]2Ru(bpy(COO)2)22-
Abstract
The use of antenna-sensitizer molecular devices is proposed as a possible strategy to increase the light harvesting efficiency of sensitized semiconductors. To illustrate this approach, the cyano-bridged trinuclear complex [ Ru(bpy)2 (CN)2]2Ru(bpy(COO)2)2- has been synthesized and studied. The complex adsorbs on TiO2 via the negativity charged -Ru(bpy(COO)2)2- central unit. The photophysical behavior in solution and the photoelectrochemical behavior on TiO2 have been studied. Emission and excitation spectra show that in this complex the light energy absorbed by the terminal Ru(bpy)2(CN)2 (antenna) groups is efficiently funneled to the central -Ru(bpy(COO)2)2- (sensitizer) fragment. Photochemical spectra on TiO2 demonstrate that the light absorbed by the antenna fragments is efficiently used for sensitization of the semiconductor.
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Cited by
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
Grätzel, M. (2003) · Journal of Photochemistry and Photobiology C: Photochemistry Reviews · doi:10.1016/s1389-5567(03)00026-1 · Cited by 4,405
Vegetable-based dye-sensitized solar cells
Calogero, G., Bartolotta, A., Di Marco, G., Di Carlo, A., & Bonaccorso, F. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00309h · Cited by 384
Wang, Z.-S., Yamaguchi, T., Sugihara, H., & Arakawa, H. (2005) · Langmuir · doi:10.1021/la050134w · Cited by 337
Metadata
- Authors
- Amadelli, R., Argazzi, R., Bignozzi, C. A., & Scandola, F.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 1990-09
- Volume
- 112
- Issue
- 20
- Pages
- 7099-7103
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2953279735
- Cited by
- 284
- References
- 0
- FWCI
- 15.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Design of antenna-sensitizer polynuclear complexes. Sensitization of titanium dioxide with [Ru(bpy)2(CN)2]2Ru(bpy(COO)2)22-. https://app.cochat.ai/papers/10.1021/ja00176a003
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- Amadelli, R., Argazzi, R., Bignozzi, C. A., & Scandola, F. (1990). Design of antenna-sensitizer polynuclear complexes. Sensitization of titanium dioxide with [Ru(bpy)2(CN)2]2Ru(bpy(COO)2)22-. Journal of the American Chemical Society. https://doi.org/10.1021/ja00176a003
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