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

Abstract : Organic dyes have been prepared to evaluate the ability of 2,5-dithienylpyrrole (DTP) to act as a donor substituent in D-pi-A sensitizers for DSSCs. Using a styryl pi-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.
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https://hal.univ-lorraine.fr/hal-01495200
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Submitted on : Friday, March 24, 2017 - 4:22:39 PM
Last modification on : Friday, February 26, 2021 - 3:24:02 PM

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Walid Sharmoukh, Antonio Attanzio, Eva Busatto, Thibaud Etienne, Stefano Carli, et al.. 2,5-Dithienylpyrrole (DTP) as a donor component in DTP-pi-A organic sensitizers: photophysical and photovoltaic properties. RSC Advances, Royal Society of Chemistry, 2015, 5 (6), pp.4041-4050. ⟨10.1039/c4ra10342d⟩. ⟨hal-01495200⟩

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