Aggregation-Induced Electrochemiluminescence of Platinum(II) Complexes.
Identifieur interne : 001214 ( Main/Exploration ); précédent : 001213; suivant : 001215Aggregation-Induced Electrochemiluminescence of Platinum(II) Complexes.
Auteurs : Serena Carrara [France] ; Alessandro Aliprandi [France] ; Conor F. Hogan [Australie] ; Luisa De Cola [France]Source :
- Journal of the American Chemical Society [ 1520-5126 ] ; 2017.
Abstract
We report the electrochemiluminescence properties of square-planar Pt(II) complexes that result from the formation of supramolecular nanostructures. We define this new phenomenon as aggregation-induced electrochemiluminescence (AIECL). In this system, self-assembly changes the HOMO and LUMO energies, making their population accessible via ECL pathways and leading to the generation of the luminescent excited state. Significantly, the emission from the self-assembled system is the first example of electrochemiluminescence (ECL) of Pt(II) complexes in aqueous solution having higher efficiency than the standard, Ru(bpy)3(2+).The finding can lead to a new generation of bright emitters that can be used as ECL labels.
DOI: 10.1021/jacs.7b07710
PubMed: 28914532
Affiliations:
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<front><div type="abstract" xml:lang="en">We report the electrochemiluminescence properties of square-planar Pt(II) complexes that result from the formation of supramolecular nanostructures. We define this new phenomenon as aggregation-induced electrochemiluminescence (AIECL). In this system, self-assembly changes the HOMO and LUMO energies, making their population accessible via ECL pathways and leading to the generation of the luminescent excited state. Significantly, the emission from the self-assembled system is the first example of electrochemiluminescence (ECL) of Pt(II) complexes in aqueous solution having higher efficiency than the standard, Ru(bpy)3(2+).The finding can lead to a new generation of bright emitters that can be used as ECL labels.</div>
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