Versatile heteroleptic bis-terdentate Cr(iii) chromophores displaying room temperature millisecond excited state lifetimes

Substitution of Ru(ii)-based chromophores with cheaper Cr(iii)-based complexes in optically active metallo-supramolecular architectures is limited by the lack of synthetic strategies leading to heteroleptic Cr(iii)-polypyridyl complexes with long excited-state lifetimes. Herein, we report on a versa...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2018-11, Vol.54 (94), p.13228-13231
Main Authors: Jiménez, Juan-Ramón, Doistau, Benjamin, Besnard, Céline, Piguet, Claude
Format: Article
Language:English
Subjects:
Anchoring
Chromium
Chromophores
Crystallography
Metallography
Optical activity
Room temperature
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Summary:Substitution of Ru(ii)-based chromophores with cheaper Cr(iii)-based complexes in optically active metallo-supramolecular architectures is limited by the lack of synthetic strategies leading to heteroleptic Cr(iii)-polypyridyl complexes with long excited-state lifetimes. Herein, we report on a versatile method yielding heteroleptic bis(terdentate) Cr(iii) complexes with room temperature millisecond range excited-state lifetimes, tuneable electronic and photophysical properties and easy anchoring possibilities.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc07671e