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Article Dans Une Revue Physical Chemistry Chemical Physics Année : 2020

Theoretical and experimental investigation on the intersystem crossing kinetics in benzothioxanthene imide luminophores, and their dependence on substituent effects

Clément Dalinot
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Philippe Blanchard
Olivier Maury
Clément Cabanetos
Tangui Le Bahers
Cyrille Monnereau

Résumé

In spite of their remarkable luminescence properties, benzothioxanthene imide (BTXI an imide containing rylene chromophores) derivatives have been largely overlooked compared to their perylene bisimide and naphthalene bisimide counterparts. Thus their detailed photophysics are much less understood. In this paper, we show how relatively simple structural modifications of the backbone of BTXIs can lead to impressive variations in their Inter-System Crossing kinetics. Thus, through rational engineering of their structure, it is possible to obtain a triplet formation quantum yield that reaches unity, making BTXI a promising class of compounds for triplet-based applications (photodynamic therapy, electroluminescence, etc.).

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Dates et versions

hal-02888752 , version 1 (19-11-2020)

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Laura Abad Galán, José Andrés Castán, Clément Dalinot, Pablo Simón Marqués, Philippe Blanchard, et al.. Theoretical and experimental investigation on the intersystem crossing kinetics in benzothioxanthene imide luminophores, and their dependence on substituent effects. Physical Chemistry Chemical Physics, 2020, 22, pp.12373-12381. ⟨10.1039/D0CP01072C⟩. ⟨hal-02888752⟩
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