Issue 48, 2016
From the journal:

Dalton Transactions

A heptanuclear light-harvesting metal-based antenna dendrimer with six Ru(ii)-based chromophores directly powering a single Os(ii)-based energy trap†

Emanuele La Mazza,a   Fausto Puntoriero,*a   Francesco Nastasi,a   Baptiste Laramée-Milette,b   Garry S. Hananb  and  Sebastiano Campagna ORCID logo *a  

* Corresponding authors

a Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, Università di Messina, and Centro di ricerca interuniversitario per la conversione chimica dell'energia solare (SOLAR-CHEM), 98166 Messina, Italy

b Département de Chimie, Université de Montréal, Montréal, Québec, Canada

Abstract

The novel dendritic-shaped, heptanuclear compound 1 – the first mixed Os–Ru dendrimer with tris-chelating bridging ligands – has been synthesized and its photophysics studied by fs pump–probe transient spectroscopy. In 1, all light energy absorbed by six identical Ru(II) chromophores is funnelled to the luminescent central Os(II) core, with a time constant of 11 ps, by Dexter energy transfer.

Graphical abstract: A heptanuclear light-harvesting metal-based antenna dendrimer with six Ru(ii)-based chromophores directly powering a single Os(ii)-based energy trap

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Article information

DOI
https://doi.org/10.1039/C6DT02405J
Article type
Communication
Submitted
16 Jun 2016
Accepted
11 Nov 2016
First published
11 Nov 2016

Dalton Trans., 2016,45, 19238-19241

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A heptanuclear light-harvesting metal-based antenna dendrimer with six Ru(II)-based chromophores directly powering a single Os(II)-based energy trap

E. La Mazza, F. Puntoriero, F. Nastasi, B. Laramée-Milette, G. S. Hanan and S. Campagna, Dalton Trans., 2016, 45, 19238 DOI: 10.1039/C6DT02405J

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