Photoisomerisation and ligand-controlled reversible aggregation of azobenzene-functionalised gold nanoparticles

Koehntopp, Anja, Dabrowski, Alexandra, Malicki, Michal and Temps, Friedrich (2014) Photoisomerisation and ligand-controlled reversible aggregation of azobenzene-functionalised gold nanoparticles Chemical Communications, 50 (70). pp. 10105-10107.

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Abstract

The photochemical behaviour of functionalised gold nanoparticles (AuNPs) carrying azobenzenethiolate-alkylthiolate monolayers was investigated. Repeated trans-cis and cis-trans isomerisation cycles could be performed in all cases with high efficiency. Reversible photoinduced aggregation was observed when azothiolates with long alkyl spacers (>= C-7) were combined with short (C-5) alkylthiolate coligands. The choice of a coligand thus offers control over the aggregation properties of the nanoparticles.

Document Type: Article
Additional Information: Times Cited: 0 0
Research affiliation: Kiel University
OceanRep > The Future Ocean - Cluster of Excellence
ISSN: 1359-7345
Projects: Future Ocean
Date Deposited: 30 Mar 2015 12:29
Last Modified: 30 Mar 2015 12:29
URI: http://eprints.uni-kiel.de/id/eprint/27778

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