Positive Electrofluorochromism of BODIPY–Ferrocene Monolayers on ITO - Ecole Normale Supérieure paris-Saclay
Article Dans Une Revue Journal of Physical Chemistry C Année : 2024

Positive Electrofluorochromism of BODIPY–Ferrocene Monolayers on ITO

Résumé

A borondipyrromethene (BODIPY)–ferrocene dyad where both units are connected by an ethynylstyryl linker was synthesized, and its fluorescence and electrochemical and electrofluorochromic features were analyzed first in solution and then as a surface-confined species. Immobilization was achieved by a siloxane derivatization at the meso position of the BODIPY, which enabled covalent grafting onto the ITO surface. The resulting monolayer showed high stability in the redox response and positive electrofluorochromism. Fluorescent emission was indeed switched on upon oxidation and monitored electrochemically, with good reversibility across cycles. This demonstrated that electrofluorochromic properties could be transposed from solution to the surface in the case of dyads whose emission is initially quenched.

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Chimie
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vendredi 24 octobre 2025
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Dates et versions

hal-04696000 , version 1 (24-10-2024)

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Julie Pham, Jean-Frédéric Audibert, Jad Rabah, Karen Wright, Jérôme Marrot, et al.. Positive Electrofluorochromism of BODIPY–Ferrocene Monolayers on ITO. Journal of Physical Chemistry C, 2024, ⟨10.1021/acs.jpcc.4c03441⟩. ⟨hal-04696000⟩
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