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Issue 60, 2019
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Inter-ligand energy transfer in dye chromophores attached to high bandgap SiO2 nanoparticles

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Abstract

Artificial light harvesters require ordered arrangement of chromophores. We covalently attach three organic chromophore ligands to silicon dioxide nanoparticles. This allows us to study inter-ligand energy transfer when attached to SiO2 nanoparticles, creating a simple system with a large ratio of donors to acceptors. Using steady-state and transient spectroscopy measurements we quantify this energy transfer between ligands. We show a maximum transfer efficiency of 30% and measure the 2D diffusion length of anthracene carboxylic acid on SiO2 to be between 0.6 and 2.2 nm.

Graphical abstract: Inter-ligand energy transfer in dye chromophores attached to high bandgap SiO2 nanoparticles

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Publication details

The article was received on 03 May 2019, accepted on 09 May 2019 and first published on 09 May 2019


Article type: Communication
DOI: 10.1039/C9CC03412A
Chem. Commun., 2019,55, 8804-8807

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    Inter-ligand energy transfer in dye chromophores attached to high bandgap SiO2 nanoparticles

    M. B. Price, A. Paton, J. Gorman, I. Wagner, G. Laufersky, K. Chen, R. H. Friend, T. W. Schmidt, J. M. Hodgkiss and N. J. L. K. Davis, Chem. Commun., 2019, 55, 8804
    DOI: 10.1039/C9CC03412A

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