The bifunctional hybrid thioester ligands containing square planar Pt(II) centers 2,7-bis[2-(trans-acetylthio-bis-(tributylphosphine)platinumII)ethynyl]-9,9-didodecyl-9H-fluorene (1) and trans-4,4′-bis[2-(trans-acetylthio-bis-(tributylphosphine)platinumII)ethynyl]stilbene (2) have been prepared in a four-step procedure and used as stabilizing and interconnecting ligands for gold and silver nanoparticles (MNPs), formed in-situ upon deacylation of the MeCOS-Pt(II)-terminal groups. The metallic surface is linked to the Pt(II) centers of the ligands via M-S-Pt(II) bridges. The size of the AuNPs and AgNPs which aggregate into a bi-dimensional network through hybrid metal-organic bridges was controlled by careful choice of synthetic parameters. The morpho-structural features of the nanoparticles, investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and synchrotron radiation induced X-ray photoelectron spectroscopy (SR-XPS), highlighted the linkage between the nanoparticles, featuring diameters below 10 nm. © 2020 Elsevier B.V.

Binuclear organometallic Pt(II) complexes as stabilizing ligands for gold and silver metal nanoparticles / Cerra, Sara; Fontana, Laura; Rossi, Enrico; Bassetti, Mauro; Battocchio, Chiara; Venditti, Iole; Carlini, Laura; Matassa, Roberto; Familiari, Giuseppe; Fratoddi, Ilaria. - In: INORGANICA CHIMICA ACTA. - ISSN 0020-1693. - 516:(2021). [10.1016/j.ica.2020.120170]

Binuclear organometallic Pt(II) complexes as stabilizing ligands for gold and silver metal nanoparticles

Cerra, Sara;Rossi, Enrico;Matassa, Roberto;Familiari, Giuseppe;Fratoddi, Ilaria
2021

Abstract

The bifunctional hybrid thioester ligands containing square planar Pt(II) centers 2,7-bis[2-(trans-acetylthio-bis-(tributylphosphine)platinumII)ethynyl]-9,9-didodecyl-9H-fluorene (1) and trans-4,4′-bis[2-(trans-acetylthio-bis-(tributylphosphine)platinumII)ethynyl]stilbene (2) have been prepared in a four-step procedure and used as stabilizing and interconnecting ligands for gold and silver nanoparticles (MNPs), formed in-situ upon deacylation of the MeCOS-Pt(II)-terminal groups. The metallic surface is linked to the Pt(II) centers of the ligands via M-S-Pt(II) bridges. The size of the AuNPs and AgNPs which aggregate into a bi-dimensional network through hybrid metal-organic bridges was controlled by careful choice of synthetic parameters. The morpho-structural features of the nanoparticles, investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and synchrotron radiation induced X-ray photoelectron spectroscopy (SR-XPS), highlighted the linkage between the nanoparticles, featuring diameters below 10 nm. © 2020 Elsevier B.V.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1516829
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