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An Iron-Based Photosensitizer with Extended Excited-State Lifetime: Photophysical and Photovoltaic Properties

Abstract : Herein, we report a homoleptic iron complex bearing tridentate bis-carbene (CNC) ligands designed for sensitization of TiO2 photoanodes. Its excited state has been characterized by ultra-fast transient spectroscopy and time-dependent density functional theory (TD-DFT) computations, which reveal a record triplet metal-to-ligand charge-transfer ((MLCT)-M-3) excited-state lifetime (16 ps). The new dye was efficiently chemisorbed on TiO2 and promoted electron injection and photocurrent generation in a dye-sensitized solar cell upon solar irradiation.
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https://hal.univ-lorraine.fr/hal-01495210
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Submitted on : Friday, March 24, 2017 - 4:23:00 PM
Last modification on : Friday, February 26, 2021 - 3:24:02 PM

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Thibaut Duchanois, Thibaud Etienne, Cristina Cebrian, Li Liu, Antonio Monari, et al.. An Iron-Based Photosensitizer with Extended Excited-State Lifetime: Photophysical and Photovoltaic Properties. European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2015, pp.2469-2477. ⟨10.1002/ejic.201500142⟩. ⟨hal-01495210⟩

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