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Nanoscale topographical control of capillary assembly of nanoparticles

Publications associées (34)

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Electron Energy-Loss Spectroscopy of Coupled Plasmonic Systems: Beyond the Standard Electron Perspective

Jürgen Brugger, Olivier Martin, Jérémy Butet, Valentin Flauraud, Gabriel David Bernasconi

Electron energy-loss spectroscopy (EELS) has become an experimental method of choice for the investigation of localized surface plasmon resonances, allowing the simultaneous mapping of the associated field distributions and their resonant energies with a n ...

Spie-Int Soc Optical Engineering2016

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The use of solvent-free microfluidics to fine-tune the physical and chemical properties of chitosan nanoparticles for drug delivery is demonstrated. Nanoparticle self-assembly is driven by pH changes in a water environment, which increases biocompatibility ...

Wiley-Blackwell2014

Signicant progress has been made to synthesis colloidal particles capable of controlling shape , dimensions and structures. These nanoparticles placement and integration on sur- faces is the main challenges of engineering approaches. Here, we investigate t ...

2014

Dielectric properties of silver nanoparticles coated with silica shells of different thicknesses

Heinrich Hofmann, Jose Enrico Quijano Quinsaat

Core/shell nanoparticles having metallic silver nanoparticle cores of similar to 38 nm in diameter and silica shells of different thicknesses ranging from similar to 3.6-20 nm were prepared. For the silica coating, a slightly modified Stober method was use ...

RSC Publishing2013

Conductive Gold Nanoparticle Mirrors at Liquid/Liquid Interfaces

Hubert Girault, Frédéric Gumy, Fernando Cortes Salazar, Micheal Diarmaid Scanlon, Dmitry Momotenko, Véronique Amstutz, Haiqiang Deng, Carlos Manuel De Melo Pereira, Pingping Fang

Gold nanoparticle (Au NP) mirrors, that exhibit both high reflectance and electrical conductance, were self-assembled at a [heptane + 1,2-dichloroethane]/water liquid/liquid interface. The highest reflectance, as observed experimentally and confirmed by fi ...

Amer Chemical Soc2013

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 Society2012

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 ...

2011

Two series of Au/TiO2 materials with different gold content have been prepared by dc-magnetron sputtering on ceramic shaped pure anatase or Degussa P25 TiO2. The time of deposition was varied between 1 and 20 min in order to obtain different thickness and ...

2011

In recent years, a strong emphasis in research towards creating sustainable and environmental friendly chemical processes has propelled the development of novel types of catalytic systems that combine advantages from homogeneous and heterogeneous processes ...

EPFL2011

Nanostructured Functional Particles and Surfaces

Arthur Olivier Joseph Ganz

Topographic nanostructuring of surfaces is a promising concept, in particular to improve the bio-integration of titanium orthopedic implants. In this context, a new method for the nanostructuring of anodised titanium surfaces was developed. Ordered topogra ...

EPFL2010