Covalent POM–Ir hybrid assemblies: tuning redox properties for light-driven multiple charge accumulation

Nicolas Queyriaux; Maria Wächtler; Christian Cariño; Sandra Alves; Benjamin Dietzek-Ivanšić; Vincent Artero; Anna Proust; Murielle Chavarot-Kerlidou; Guillaume Izzet

doi:10.1039/D5CC01951F

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Covalent POM–Ir hybrid assemblies: tuning redox properties for light-driven multiple charge accumulation†

Nicolas Queyriaux,

‡^a Maria Wächtler,

§^bc Christian Cariño,

^d Sandra Alves,^d Benjamin Dietzek-Ivanšić,

¶^bc Vincent Artero,

^a Anna Proust,

^d Murielle Chavarot-Kerlidou

*^a and Guillaume Izzet

*^d

Author affiliations

* Corresponding authors

^a Université Grenoble Alpes, CNRS, CEA, IRIG, Laboratoire de Chimie et Biologie des Métaux, F-38054 Grenoble, France
E-mail: murielle.chavarot-kerlidou@cea.fr

^b Institute of Physical Chemistry, Friedrich Schiller University, Lessingstraβe 4, 07743 Jena, Germany

^c Department of Functional Interfaces, Leibniz Institute of Photonic Technology, Albert-Einstein-Straβe 9, 07745 Jena, Germany

^d Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, F-75005 Paris, France
E-mail: guillaume.izzet@sorbonne-universite.fr

Abstract

This study reports the synthesis, electrochemical characterization, and photophysical properties of two novel photoactive polyoxometalate (POM)–Ir photosensitizer hybrid assemblies. Under visible light irradiation in the presence of triethylamine and trifluoroacetic acid, the polyoxomolybdate-based dyad photoaccumulates the electrons via an efficient intramolecular photoinduced electron transfer process.

This article is part of the themed collection: Chemistry at the Forefront of the Sustainable Energy Transition

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DOI: https://doi.org/10.1039/D5CC01951F
Article type: Communication
Submitted: 07 Apr 2025
Accepted: 19 May 2025
First published: 04 Jun 2025
This article is Open Access

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Chem. Commun., 2025, Advance Article

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Covalent POM–Ir hybrid assemblies: tuning redox properties for light-driven multiple charge accumulation

N. Queyriaux, M. Wächtler, C. Cariño, S. Alves, B. Dietzek-Ivanšić, V. Artero, A. Proust, M. Chavarot-Kerlidou and G. Izzet, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC01951F

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Chemical Communications

Covalent POM–Ir hybrid assemblies: tuning redox properties for light-driven multiple charge accumulation†

Abstract

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Covalent POM–Ir hybrid assemblies: tuning redox properties for light-driven multiple charge accumulation

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