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Spectroscopic and Morphological Studies of Metal-Organic and Metal-Free Dyes onto Titania Films for Dye-Sensitized Solar Cells
Joint Authors
Ingo, Gabriel M.
Riccucci, Cristina
Toro, Roberta G.
Zanotti, Gloria
Gigli, Giuseppe
Caschera, Daniela
Paoletti, Anna Maria
Angelini, Nicola
Pennesi, Giovanna
De Marco, Luisa
Di Carlo, Gabriella
Padeletti, Giuseppina
Source
International Journal of Photoenergy
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-10-05
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
We have investigated the spectroscopic behavior of three different sensitizers adsorbed onto titania thin films in order to gain information both on the electron transfer process from dye to titania and on the anchorage of the chromophore onto the semiconductor.
We have examined by UV-Vis and fluorescence spectroscopy the widely used ruthenium complex cis-di(thiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato)ruthenium(II) (N719), the more recently developed organic molecular 3-(5-(4-(diphenylamino)styryl)thiophen-2-yl)-2-cyanoacrylic acid (D5), and a push-pull zinc phthalocyanine sensitizer (ZnPc).
Three type of titania films with different morphology, characterized by SEM and FT-IR measurement, were considered: a mesoporous transparent film deposited by spin-coating (TiMS), a semiopaque film deposited by doctor-blade from mesoporous titania (TiMS_DB) and a semiopaque film deposited by doctor-blade form commercial P25 titania (P25_DB).
The use of TiMS is responsible for the adsorption of a higher amount of dye since the mesoporous structure allows increasing the interfacial area between dye and titania.
Moreover, the fluorescence emission peak is weaker when the sensitizers are adsorbed onto TiMS.
These findings suggest that mesostructured films could be considered the most promising substrates to realize photoanodes with a fast electron transfer process.
American Psychological Association (APA)
Di Carlo, Gabriella& Caschera, Daniela& Toro, Roberta G.& Riccucci, Cristina& Ingo, Gabriel M.& Padeletti, Giuseppina…[et al.]. 2013. Spectroscopic and Morphological Studies of Metal-Organic and Metal-Free Dyes onto Titania Films for Dye-Sensitized Solar Cells. International Journal of Photoenergy،Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-482627
Modern Language Association (MLA)
Di Carlo, Gabriella…[et al.]. Spectroscopic and Morphological Studies of Metal-Organic and Metal-Free Dyes onto Titania Films for Dye-Sensitized Solar Cells. International Journal of Photoenergy No. 2013 (2013), pp.1-11.
https://search.emarefa.net/detail/BIM-482627
American Medical Association (AMA)
Di Carlo, Gabriella& Caschera, Daniela& Toro, Roberta G.& Riccucci, Cristina& Ingo, Gabriel M.& Padeletti, Giuseppina…[et al.]. Spectroscopic and Morphological Studies of Metal-Organic and Metal-Free Dyes onto Titania Films for Dye-Sensitized Solar Cells. International Journal of Photoenergy. 2013. Vol. 2013, no. 2013, pp.1-11.
https://search.emarefa.net/detail/BIM-482627
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-482627