Photocurrent Generation from Visible Light Irradiation of Covalent Polyoxometalate-Porphyrin Copolymers
| Autor: | Bonnefont Antoine, Yiming Liang, Hualong Xu, Zhaohui Huo, Edoardo Matricardi, Dejin Zang, Rana Farha, Guillaume Izzet, Anna Proust, Laurent Ruhlmann, Shu Yang, Michel Goldmann |
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| Přispěvatelé: | Guangdong University of Education (GDUE), Institut de Chimie de Strasbourg, Université de Strasbourg (UNISTRA)-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC), Institut des Nanosciences de Paris (INSP), Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Fudan University [Shanghai], Institut Parisien de Chimie Moléculaire (IPCM), Chimie Moléculaire de Paris Centre (FR 2769), Institut de Chimie du CNRS (INC)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris), Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut de Chimie du CNRS (INC)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
organic–inorganic hybrid composites General Chemical Engineering porphyrinoids 02 engineering and technology 010402 general chemistry Photochemistry Electrochemistry 01 natural sciences 7. Clean energy chemistry.chemical_compound X-ray photoelectron spectroscopy Copolymer polyoxometalates Spectroscopy Photocurrent 021001 nanoscience & nanotechnology Porphyrin photocurrent generation 0104 chemical sciences copolymerization [CHIM.POLY]Chemical Sciences/Polymers chemistry thin films Covalent bond Polyoxometalate 0210 nano-technology |
| Zdroj: | Electrochimica Acta Electrochimica Acta, Elsevier, 2021, 368, pp.137635. ⟨10.1016/j.electacta.2020.137635⟩ |
| ISSN: | 0013-4686 |
| Popis: | International audience; Four hybrid polyoxometalate–porphyrin copolymer films were obtained by the electrooxidation of zinc-β-octaethylporphyrin (ZnOEP) or 5,15-ditolylporphyrin (H2T2P) in the presence of organosilyl functionalized Keggin-type POMs TBA3[PW11Si2O40C26H16N2] (abbreviated Py-PW11Si2-Py) and Dawson-type POMs TBA6[P2W17Si2O62C26H16N2] (abbreviated Py-P2W17Si2-Py) bearing two remote pyridyl groups. The electropolymerization process of the four copolymers was monitored by EQCM. The obtained copolymers were characterized by UV/Vis spectroscopy, X-ray photoelectron spectroscopy, electrochemistry, and AFM. Their impedance properties (EIS) were studied and their photovoltaic performances were also investigated by photocurrent transient measurements under visible light irradiation. These studies showed a correlation between impedance and photovoltaic performances, the films based on Dawson type POMs and Zn porphyrins giving the best results. This last system displayed one of the best photocurrent efficiency for a reported POM photosensitized hybrid. |
| Databáze: | OpenAIRE |
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