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High yield synthesis of pure alkanethiolate-capped silver nanoparticles (Articolo in rivista)

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High yield synthesis of pure alkanethiolate-capped silver nanoparticles (Articolo in rivista) (literal)

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Alternative label

Mari A. (1); Imperatori P. (1); Marchegiani G. (1); Pilloni L. (2); Mezzi A. (3); Kaciulis S. (3); Cannas C. (4); Meneghini C. (5); Mobilio S. (5); Suber L. (1) (2010)
High yield synthesis of pure alkanethiolate-capped silver nanoparticles
in Langmuir; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Mari A. (1); Imperatori P. (1); Marchegiani G. (1); Pilloni L. (2); Mezzi A. (3); Kaciulis S. (3); Cannas C. (4); Meneghini C. (5); Mobilio S. (5); Suber L. (1) (literal)

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Note

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1) CNR-Istituto di Struttura della Materia, P.O. Box 10, I-00015 Monterotondo Stazione, Roma, Italy; 2) MAT TEC ENEA CR CASACCIA Via Anguillarese 310 I-00123 S.Maria di Galeria, Roma, Ital; 3) CNR-Istituto per lo Studio dei Materiali Nanostrutturati, P.O. Box 10, I-00015 Monterotondo Stazione, Roma, Italy; 4) Chemistry Department, University of Cagliari, SS 554 Bivio per Sestu, I-09042 Monserrato, Cagliari, Italy; 5) Dipartimento di Fisica, Università Roma Tre, Via della Vasca Navale, I-00146 Roma, Italy; (literal)

Titolo

High yield synthesis of pure alkanethiolate-capped silver nanoparticles (literal)

Abstract

One-phase, one-pot synthesis of Ag0 nanoparticles capped with alkanethiolate molecules has been optimized to easily achieve a pure product in quantitative yield. We report the synthesis of dodecanethiolate-capped silver particles and the chemophysical, structural, and morphologic characterization performed by way of UV-vis, 1H NMR, and X-ray photoelectron (XPS) spectroscopies, X-ray powder diffraction (XRD) and X-ray absorption fine structure analysis (XFAS), electron diffraction and high-resolution transmission electron microscopy (HR-TEM), and scanning and transmission electron microscopy (SEM and TEM). Depending on the molar ratio of the reagents (dodecylthiosulphate/Ag+), the mean Ag0 particle size DXRD is tuned from 4 to 3 nm with a narrow size distribution. The particles are highly soluble, very stable in organic solvents (hexane, toluene, dichloromethane, etc.), and resistant to oxidation; the hexane solution after one year at room temperature does not show any precipitation or formation of oxidation byproducts. (literal)

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