A red to blue series of push-pull dyes for NiO based p-DSSCs. - Archive ouverte HAL Access content directly
Journal Articles Sustainable Energy & Fuels Year : 2018

A red to blue series of push-pull dyes for NiO based p-DSSCs.

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Abstract

Finding efficient dyes for NiO photocathodes either for inverse or tandem DSSCs is essential to develop these promising low-cost solar cells. This paper reports the design, the synthesis and the physical properties characterization of four new triphenylamine-bithiophene push-pull dyes with acceptors of increasing electronic affinity, in order to shift their absorption to the red region of the visible spectrum. The dyes were tested in p-type DSSC configuration with 850 nm NiO ink-jet printed photocathodes and their performance were compared with the reference dye P1. With an iodine electrolyte, one of the dyes, possessing a 1,3-diethyl-2-thiobarbituric acceptor shows superior performance than P1, with a PCE reaching 0.124% and a JSC of 4.32 mA.cm-2.
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Dates and versions

cea-01672801 , version 1 (27-12-2017)

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Romain Brisse, Praveen Chandrasekar, Valentin Maffeis, Tiphaine Bourgeteau, Denis - Tondelier, et al.. A red to blue series of push-pull dyes for NiO based p-DSSCs.. Sustainable Energy & Fuels, 2018, 2, pp.648-654. ⟨10.1039/C7SE00474E⟩. ⟨cea-01672801⟩
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