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Issue 28, 2014
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A 5-(difluorenyl)-1,10-phenanthroline-based Ru(II) complex as a coating agent for potential multifunctional gold nanoparticles

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Abstract

The synthesis and photophysical properties of small gold nanoparticles (NPs, AuNP-[Ru-PFF]) surface functionalized by 5-substituted-1,10-phenanthroline-ligand based Ru(II) complexes are described. Luminescence of the grafted and confined Ru(II) complexes is totally quenched on the gold surface. Nonlinear optical properties were determined via Z-scan measurements in the range 600–1300 nm for both the free Ru(II) complex and the related NPs. In the short wavelength range (around 600 nm) the behaviour switches from that of two-photon absorption (2PA) for the complex to saturable absorption for the NPs. 2PA applications such as optical power limiting or two-photon dioxygen sensitization can be anticipated for these nanoplatforms.

Graphical abstract: A 5-(difluorenyl)-1,10-phenanthroline-based Ru(ii) complex as a coating agent for potential multifunctional gold nanoparticles

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Publication details

The article was received on 09 Apr 2014, accepted on 29 May 2014 and first published on 02 Jun 2014


Article type: Paper
DOI: 10.1039/C4CP01534G
Author version available: Download Author version (PDF)
Citation: Phys. Chem. Chem. Phys., 2014,16, 14826-14833
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    A 5-(difluorenyl)-1,10-phenanthroline-based Ru(II) complex as a coating agent for potential multifunctional gold nanoparticles

    J. Moreau, F. Lux, M. Four, J. Olesiak-Banska, K. Matczyszyn, P. Perriat, C. Frochot, P. Arnoux, O. Tillement, M. Samoc, G. Ponterini, S. Roux and G. Lemercier, Phys. Chem. Chem. Phys., 2014, 16, 14826
    DOI: 10.1039/C4CP01534G

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