Vitale, Floriana and Fratoddi, Ilaria and Battocchio, Chiara and Piscopiello, Emanuela and Tapfer, Leander and Russo, Maria Vittoria and Polzonetti, Giovanni and Giannini, Cinzia (2011) Mono- and bi-functional arenethiols as surfactants for gold nanoparticles: synthesis and characterization. Nanoscale Research Letters, 6 (1). pp. 1-9.
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Official URL: http://www.nanoscalereslett.com/content/6/1/103
Abstract
Stable gold nanoparticles stabilized by different mono and bi-functional arenethiols, namely, benzylthiol and 1,4-benzenedimethanethiol, have been prepared by using a modified Brust's two-phase synthesis. The size, shape, and crystalline structure of the gold nanoparticles have been determined by high-resolution electron microscopy and full-pattern X-ray powder diffraction analyses. Nanocrystals diameters have been tuned in the range 2 ÷ 9 nm by a proper variation of Au/S molar ratio. The chemical composition of gold nanoparticles and their interaction with thiols have been investigated by X-ray photoelectron spectroscopy. In particular, the formation of networks has been observed with interconnected gold nanoparticles containing 1,4-benzenedimethanethiol as ligand.
| Item Type: | Article |
|---|---|
| Subjects: | Physical Science > Nanophysics Physical Science > Nano objects Material Science > Nanochemistry Material Science > Nanostructured materials |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Physics Faculty of Engineering, Science and Mathematics > School of Chemistry |
| ID Code: | 10871 |
| Deposited By: | JNCASR |
| Deposited On: | 19 Oct 2011 07:11 |
| Last Modified: | 19 Oct 2011 07:11 |
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