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Title: Selective Growth of Gold Nanoparticles onto Tellurium Nanowires via a Green Chemical Route
Authors: Lin, Z.-H.;Lin, Y.-W.;Lee, K.-H.;Chang, H.-T.
Contributors: 化學系
Date: 2008
Issue Date: 2010-11-10T06:47:31Z
Abstract: In this paper, we describe a green chemical route for highly selective growth of Au tips onto Tenanowires (NWs). We carefully selected the pH values to vary the redox reaction potential between Au3+ and Te NWs, allowing control of nucleation and growth rates of Au nanoparticles (NPs). In the presence of 10 mM CTAB, we obtained Au-Te and Au-Te-Au NWs at pH 4.0 and 5.0, respectively. Photovoltaic data revealed that the resistance of the Te NW-based thin films is controlled by the degree
of deposition of Au NPs. We suspect that Au-Te and/or Au-Te-Au NWs hold great potential for use in the fabrication of electronic devices.
Relation: J. Mater. Chem., 18, 2569-2572
Appears in Collections:[Department of Chemistry] Periodical Articles

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