Publication
Conductive Gold Nanoparticle Mirrors at Liquid/Liquid Interfaces
Publications associées (50)
Depletion-interaction effects on the tunneling conductivity of nanorod suspensions
Peter Ryser, Claudio Grimaldi, Biagio Nigro
We study by simulation and theory how the addition of insulating spherical particles affects the conductivity of fluids of conducting rods, modeled by spherocylinders. The electrical connections are implemented as tunneling processes, leading to a more det ...
American Physical Society2013Nucleation and Island Growth of Alkanethiolate Ligand Domains on Gold Nanoparticles
The metal oxide cluster alpha-AIW(11)O(39)(9-) (1), readily imaged by cryogenic transmission electron microscopy (cryo-TEM), is used as a diagnostic protecting anion to investigate the self-assembly of alkanethiolate monolayers on electrostatically stabili ...
American Chemical Society2012Determination of monolayer-protected gold nanoparticle ligand-shell morphology using NMR
Francesco Stellacci, Marta Mameli
It is accepted that the ligand shell morphology of nanoparticles coated with a monolayer of molecules can be partly responsible for important properties such as cell membrane penetration and wetting. When binary mixtures of molecules coat a nanoparticle, t ...
Nature Publishing Group2012Electrical conductivity and Young's modulus of flexible nanocomposites made by metal ion implantation of Polydimethylsiloxane: the relationship between nanostructure and macroscopic properties
The mechanical and electrical properties of nanocomposites created by gold and titanium implantation into Polydimethysiloxane (PDMS) are reported for doses from 1015 at/cm2 to 5x1016 at/cm2, and for ion energies of 2.5 keV, 5 keV and 10 keV. TEM cross-sect ...
Elsevier2011Fabrication of Functional Silicon Surfaces using Metallic Nanostructures Produced by Block Copolymer Self-Assembly
Self-assembly is the autonomous organization of components into patterns or structures without human intervention. At the molecular level, self-assembly usually involves non-covalent interactions of various natures, such as van der Waals, electrostatic and ...
EPFL2011Low-Voltage p- and n-Type Organic Self-Assembled Monolayer Field Effect Transistors
Francesco Stellacci, Kislon Voitchovsky
We report on p- and n-type organic self-assembled monolayer held effect transistors. On the base of quaterthiophene and fullerene units, multifunctional molecules were synthesized, which have the ability to self-assemble and provide multifunctional monolay ...
2011Ordering Surfaces on the Nanoscale: Implications for Protein Adsorption
Monolayer-protected metal nanoparticles (MPMNs) are a newly discovered class of nanoparticles with an ordered, striped domain structure that can be readily manipulated by altering the ratio of the hydrophobic to hydrophilic ligands. This property makes the ...
2011Metal Clusters on Surfaces
The morphology, stability and reactivity of nanometre-sized particles (Au, Pt) is investigated on three different supports. Gold nanoparticles with a diameter comprised between 4 and 6nm are stabilized in nanosized pits of well defined depth in highly orie ...
EPFL2010Electrochemical properties of gold nanoparticles assembly at polarised liquid|liquid interfaces
Hubert Girault, Mohamad Hojeij, Nathalie Younan, Lydie Ribeaucourt
Capacitance measurements of a polarised liquid|liquid interface show that the capacitance of the interface increases in the presence of an adsorbed monolayer of citrate-coated gold nanoparticles. This unusual observation can be explained by an increase of ...
Elsevier2010Temperature-Controlled Assembly of High Ordered/Disordered Dodecylamine Layers on HOPG: Consequences for DNA Patterning
Giovanni Dietler, Dmitry Klinov, Susana del Carmen Tobenas Borron
It is shown that temperature-control led ordered layers of dodecylamine,self-assembled on highly oriented pyrolytic graphite (HOPG), are an appropriate substrate for aligning individual DNA molecules. High resolution atomic force microscopy (AFM) permits v ...
2009