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New D-π-A-conjugated organic sensitizers based on α-pyranylidene donors for dye-sensitized solar cells

Abstract : A series of new push-pull org. dyes incorporating a cyanoacrylic acid group as electron acceptor unit and α-chalcogenopyranylidene group (X = S; O) as electron donor unit has been synthesized, characterized and used as sensitizer for dye-sensitized solar cells (DSSCs). For the first time, α-pyranylidene and thiopyranylidene groups, have been evaluated in DSSC. To obtain the thermodn. values of the solar cell, an investigation of their electrochem. (CV) and optical properties (UV-vis absorption spectroscopy) is also reported.
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Submitted on : Tuesday, July 4, 2017 - 1:45:27 PM
Last modification on : Friday, July 10, 2020 - 4:05:46 PM
Long-term archiving on: : Friday, December 15, 2017 - 12:30:12 AM

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Emilie Ferreira, Pascal Le Poul, Nolwenn Cabon, Bertrand Caro, Francoise Robin-Le Guen, et al.. New D-π-A-conjugated organic sensitizers based on α-pyranylidene donors for dye-sensitized solar cells. Tetrahedron Letters, Elsevier, 2017, 58 (10), pp.995-999. ⟨10.1016/j.tetlet.2017.01.094⟩. ⟨hal-01475816⟩

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