Scientific Results

Fluorescent Thiol-Derivatized Gold Clusters Embedded in Polymers

Year: 2013

Authors: Carotenuto G., De Nicola S., Nicolais L.

Autors Affiliation: 1 Institute for Composite and Biomedical Materials, National Research Council, Piazzale E. Fermi 1, 80055 Portici, Italy
2 Istituto Nazionale di Ottica, CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Italy
3 INFN Sezione di Napoli, Complesso Universitario di M.S. Angelo, Via Cinthia, 80126 Napoli, Italy
4 Department of Material Engineering and Production, University of Naples “Federico II”, Piazzale Tecchio 80, 80125 Naples, Italy

Abstract: Owing to aurophilic interactions, linear and/or planar Au(I)-thiolate molecules spontaneously aggregate, leading to molecular gold clusters passivated by a thiolate monolayer coating. Differently from the thiolate precursors, such cluster compounds show very intensive visible fluorescence characteristics that can be tuned by alloying the gold clusters with silver atoms or by conjugating the electronic structure of the metallic core with unsaturated electronic structures in the organic ligand through the sulphur atom. Here, the photoluminescence features of some examples of these systems are shortly described.

Journal/Review: ADVANCES IN MATERIAL SCIENCE AND ENGINEERING

Volume: 2013      Pages from: 548284-1  to: 548284-6

KeyWords: photoluminescence
DOI: 10.1155/2013/548284

Citations: 2
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English