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- Title
Photoinduced Electron Transfer in Clicked Ferrocene‐BODIPY‐Fullerene Conjugates.
- Authors
Rabah, Jad; Fatima, Anam; Fensterbank, Hélène; Wright, Karen; Vallée, Anne; Gueye, Maïssa; Burdzinski, Gotard; Clavier, Gilles; Miomandre, Fabien; Pham, Julie; Sliwa, Michel; Méallet‐Renault, Rachel; Steenkeste, Karine; Pino, Thomas; Ha‐Thi, Minh‐Huong; Allard, Emmanuel
- Abstract
Ferrocene‐BODIPY (Fc‐BDP) conjugates in which one or two ferrocene entities are linked to the β‐positions of the BODIPY core by an ethynyl bridge have been developed. These derivatives were easily and efficiently grafted onto a dual‐clickable fullerene platform using CuAAC reactions, leading to a clickable Fc‐BDP‐C60 triad and a clickable [Fc]2‐BDP‐C60 tetrad which can be used for further derivatization with complex structures. Due to the extended π‐conjugation and the presence of an intramolecular charge transfer band from Fc to BDP, all these conjugates display a broad absorption in the visible region, which is bathochromically shifted when two Fc are appended to the BDP core. Ultrafast multistep electron transfers leading to charge stabilization were demonstrated in the Fc‐BDP‐C60 triad and [Fc]2‐BDP‐C60 tetrad by femtosecond transient absorption studies.
- Subjects
INTRAMOLECULAR charge transfer; CHARGE transfer; CHARGE exchange; PHOTOINDUCED electron transfer; DERIVATIZATION
- Publication
Helvetica Chimica Acta, 2023, Vol 106, Issue 6, p1
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.202300039