Issue 43, 2015

Controlling Nd-to-Yb energy transfer through a molecular approach

Abstract

Nd-to-Yb energy transfer (ET) at the molecular level has been investigated in the novel heterobimetallic NdYb2Q9 (Q = 8-quinolinolate) complex where the Q ligand works as a high cross-sectional optical antenna. The remarkable ion size-driven templating effect of Nd3+ allows for good control of molecular speciation through a simple one-pot synthetic procedure. Short intermetallic distances and enhanced donor (Nd)/acceptor (Yb) spectral overlap in the molecular assembly strongly favor Nd-to-Yb energy transfer, which reaches nearly unitary efficiency, while detrimental processes such as concentration quenching and energy back transfer are ruled out. The devised approach allows us to obtain a controlled assembly of heterolanthanide compounds whose features hold potential for the development of highly performing Yb3+-based optical materials.

Graphical abstract: Controlling Nd-to-Yb energy transfer through a molecular approach

Supplementary files

Article information

Article type
Paper
Submitted
18 ספט 2015
Accepted
09 אוק 2015
First published
12 אוק 2015

J. Mater. Chem. C, 2015,3, 11524-11530

Controlling Nd-to-Yb energy transfer through a molecular approach

F. Artizzu, A. Serpe, L. Marchiò, M. Saba, A. Mura, M. L. Mercuri, G. Bongiovanni, P. Deplano and F. Quochi, J. Mater. Chem. C, 2015, 3, 11524 DOI: 10.1039/C5TC02985F

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