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A novel triphenylamine-based dye sensitizer supported on titania nanoparticles and the effect of titania fabrication on its optical properties |
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| Authors: | Elisa Moretti Manuela Aversa Alberto Scrivanti Loretta Storaro Aldo Talon Riccardo Marin Juan Antonio Cecilia Enrique Rodríguez-Castellón Stefano Polizzi |
| Affiliation: | 1.Department of Molecular Sciences and Nanosystems,Universitá Ca’ Foscari Venezia,Venezia,Italy;2.Department of Inorganic Chemistry, Crystallography and Mineralogy, Faculty of Sciences,Universidad de Málaga,Málaga,Spain;3.Electron Microscopy Center “Giovanni Stevanato”,Universitá Ca’ Foscari Venezia,Venezia,Italy |
| Abstract: | A new synthesised triphenylamine-based dye having a branched structure with one OH-ending branch able to interact with the surface hydroxyl moieties of mesoporous TiO2 is reported. Optical properties of the dye-titania hybrid material are presented and the higher efficiency of the dye on pure anatase TiO2 compared to the commercial Degussa P25, which contains a rutile phase component, is confirmed. The optical and chemical properties of the dye make it a promising candidate as a metal-free dye for DSSCs or as a host for a variety of transition or main group metal ions for different applications. |
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