Concept

Material properties of diamond

Publications associées (63)

High Rate Growth of Microcrystalline Silicon by VHF-GD at High Pressure

Microcrystalline silicon growth using very high frequency-glow discharge PECVD has been studied under conditions of high pressure and high VHF-power conditions. Hereby, the influence of the total gas flow and the silane concentration on the deposition rate ...

2003

Deposition of nanoparticles of iridium dioxide on a synthetic boron-doped diamond surface

Christos Comninellis, Ilaria Duo

The electrochem. properties of IrO2 nanoparticles deposited on a synthetic boron-doped diamond surface (BDD/IrO2) were investigated. After a description of the prepn. procedure by thermal decompn. technique, the morphol. characterization of the samples by ...

2002

Electrochemical production of peroxodisulfuric acid using diamond coated electrodes

Christos Comninellis, Pierre-Alain Michaud

The invention describes a method for electrochem. producing the peroxodisulfuric acid and peroxodisulfates by electrochem. oxidn. of sulfuric acid. The process was carried using on an anode which, preferably, was not completely prepolarized and which was c ...

(Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V., Germany; CSEM Centre Suisse d'Electronique et de Microtechnique S.A.).2001

Electrochemical synthesis of inorganic and organic compounds with Boron-Doped diamond electrodes

Christos Comninellis, Pierre-Alain Michaud

The Boron-Doped Diamond (BDD) electrode is a new electrode material with high stability, even at high anodic potential. Furthermore BDD is not prone to fouling. Due to these properties, BDD can provide new opportunities in electrochem. synthesis of org. an ...

2001

Activation of boron-doped diamond with IrO2 clusters

Christos Comninellis, Pierre-Alain Michaud, Ilaria Duo

Deposition of small amts. of IrO2 clusters on the B-doped diamond (BDD) surface (BDD-IrO2 electrode) dramatically enhances both the O2 evolution reaction and the oxidn. of orgs. in the potential region of water decompn. The fact that BDD-IrO2 electrode beh ...

2000

Wastewater treatment with diamond electrodes

Christos Comninellis

Boron doped diamond films have been deposited by large area hot-filament CVD (HFCVD) on silicon, silicon carbide, and different industrial electrode materials, like niobium, tantalum, titanium, tungsten, zirconium, and graphite on areas up to 40 cm * 60 cm ...

2000

Electrochemical generation of silver(II) at boron-doped diamond electrodes

Christos Comninellis, Pierre-Alain Michaud, Ilaria Duo, Marco Panizza

Synthetic boron-doped diamond (BDD) thin film electrodes were tested for the electrogeneration of silver(II). In nitric acid, the kinetics of the silver(I)/silver(II) couple were studied by cyclic voltammetry. The results demonstrate that silver(II) can be ...

2000

Preparation and characterization of Ti/Diamond electrodes

Christos Comninellis

Boron doped diamond films were deposited on Ti substrates by CVD. Raman spectroscopy reveals small amts. of nondiamond carbon. According to SEM and XRD, the diamond films are polycryst. with preferential {112} crystallite orientation. Electrochem. measurem ...

1998

X-ray diffraction of periclase in a laser-heated diamond-anvil cell

Philippe Gillet

Periclase (MgO) has been studied up to 16 GPa and temperatures in excess of 3000 K by X-ray diffraction in an energy-dispersive configuration at the DCI storage ring of LURE (Laboratoire pour l'Utilisation du Royonnement Electromagnetique, Orsay, France). ...

1996

Nanocrystalline electronic junctions

Michael Graetzel

Nanocrystalline semiconductor films are constituted by a network of mesoscopic oxide particles, such as TiO2, ZnO, Nb2O5 which are interconnected to allow for electronic conduction to take place. The pores between the particles are filled with a semiconduc ...

Kluwer1996

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