2,5-Dithienylpyrrole (DTP) as a donor component in DTP-π-A organic sensitizers: Photophysical and photovoltaic properties

Walid Sharmoukh, Antonio Attanzio, Eva Busatto, Thibaud Etienne, Stefano Carli, Antonio Monari, Xavier Assfeld, Marc Beley, Stefano Caramori, Philippe C. Gros

Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

Résumé

Organic dyes have been prepared to evaluate the ability of 2,5-dithienylpyrrole (DTP) to act as a donor substituent in D-π-A sensitizers for DSSCs. Using a styryl π-bridge the dyes were found to be excellent sunlight harvesters when adsorbed on TiO2 photoanodes with absorbances >3 in the 300-550 nm region. Calculations as well as transient absorption spectroscopy in both solution and on a TiO2 surface revealed that they were favourable for efficient injection and regeneration.

langue originaleAnglais
Pages (de - à)4041-4050
Nombre de pages10
journalRSC Advances
Volume5
Numéro de publication6
Les DOIs
Etat de la publicationPublié - 1 janv. 2015

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