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Journal Articles European Journal of Inorganic Chemistry Year : 2015

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.

Dates and versions

hal-01495210 , version 1 (24-03-2017)

Identifiers

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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, 2015, 14, pp.2469-2477. ⟨10.1002/ejic.201500142⟩. ⟨hal-01495210⟩
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