Gold nanoparticles: assembly and electrical properties in 1–3 dimensions

Abstract

Ligand stabilized gold nanoparticles have attracted much attention in the search for new chemically designed compounds for a future information technology, based on single-electron devices. This article gives an overview about the strategies used to synthesize and to assemble uniform gold nanoparticles in different dimensions as well as about the present status of the electrical properties of these. Examples are given for three-dimensional organisations, for the formation of self-assembled monolayers as well as for one-dimensional assemblies.

Ion beam shaping of Au nanoparticles in silica: Particle size and concentration dependence

“…For more details about the Au deposition method, the reader is referred to the literature. [19][20][21] The surface density of the Au NPs was monitored by adjusting the immersion time of the sample into the Au NP containing solution between 5 and 40 min. When necessary, a diluted Au solution was used.…”

On the application potential of gold nanoparticles in nanoelectronics and biomedicine

“…In this context, many protocols for the three-, two-and one-dimensional organization of nanoparticle arrangements have already been reported (Murray et al 1993(Murray et al , 1995Schön & Simon 1995b;Alivisatos 1996;Whetten et al 1996;Collier et al 1997Collier et al , 1998Kieley et al 1998;Simon et al 1998;Talets et al 1999;Sun et al 2000;Torma et al 2003). Three-dimensional arrangements have been reported intensively, since the first investigations of SET effects in assemblies refer to pellets (Houbertz et al 1994;Simon 1998) and networks (Schmid & Simon 2005). Generally, three-dimensional arrangements are principally based on the utilization of bifunctional linker molecules interconnecting the nanoparticles.…”

“…One contribution of 13 to a Theme Issue 'Metal clusters and nanoparticles '. This journal is © 2010 The Royal Society in the meantime, several protocols have been developed that allow their assembly into one, two and three dimensions (Daniel & Astruc 2004;Schmid & Simon 2005;Ofir et al 2008;Park et al 2008). Altogether, these facts triggered the development of concepts for the design of novel materials with very specific properties based on the unique size-dependent properties of single nanoparticles and their collective properties in assemblies, owing to dipolar, magnetic or electronic coupling.…”

[Au14(PPh3)8(NO3)4]: Vertreter einer neuen Klasse Au(NO3)‐ stabilisierter Superatomkomplexe

“…Ultrakleine Goldnanopartikel (ultrasmall nanoparticles, usNPs) verfügen aufgrund des Grçßenquantisierungseffekts über außergewçhnliche Eigenschaften, [1,2] die sie für Anwendungen in Nanowissenschaft und -technologie interessant machen. [3,4] Unter usNPs definierter Zusammensetzung, speziell Goldclustern, wird eine herausragende, auch als "magisch" bezeichnete Stabilität für bestimmte Zusammensetzungen beobachtet, die durch ihre spezifische geometrische oder elektronische Struktur erklärt wird.…”