Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/10624
Title: | Photoacoustic Measurement of Electron Injection Efficiencies and Energies from Excited Sensitizer Dyes into Nanocrystalline TiO2 Films | Authors: | Serpa, Carlos Schabauer, Johann Piedade, Ana P. Monteiro, Carlos J. P. Pereira, Mariette M. Douglas, Peter Burrows, Hugh D. Arnaut, Luís G. |
Issue Date: | 16-Jul-2008 | Publisher: | American Chemical Society | Citation: | Journal of the American Chemical Society. 130:28 (2008) 8876-8877 | Abstract: | Time-resolved photoacoustic calorimetry is used to measure the energy released upon injection of an electron from an electronically excited dye adsorbed to nanocrystalline TiO2 into the conduction band of this material. More energy is released when the environment of the dye is made less polar, because the energy of the dye-oxidized state has a more pronounced solvent dependence than the edge of the conduction band of the TiO2 semiconductor. Such energy dependences should be considered in the design of more efficient dye-sensitized solar cells. | URI: | https://hdl.handle.net/10316/10624 | ISSN: | 0002-7863 | DOI: | 10.1021/ja801928z | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Química - Artigos em Revistas Internacionais FCTUC Química - Artigos em Revistas Internacionais |
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Photoacoustic Measurement of Electron Injection Efficiencies.pdf | 333.26 kB | Adobe PDF | View/Open |
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