Publications de Stéphane Fierro

General Concepts and Global Parameters (EOD, COD, Ox)

Christos Comninellis, Agnieszka Kapalka, Stéphane Fierro, Petros Dimitriou Christidis, Pierre-Alain Michaud

Springer2014

Organic Pollutants, Direct Electrochemical Oxidation

Christos Comninellis, Agnieszka Kapalka, Stéphane Fierro, Petros Dimitriou Christidis, Pierre-Alain Michaud

Springer2014

Simultaneous detection of iodine and iodide on boron doped diamond electrodes

Individual and simultaneous electrochemical detection of iodide and iodine has been performed via cyclic voltammetry on boron doped diamond (SOD) electrodes in a 1 M NaClO4 (pH 8) solution, representative of typical environmental water conditions. It is fe ...

Elsevier Science Bv2013

Fe, Co, and Ni Ions Promote the Catalytic Activity of Amorphous Molybdenum Sulfide Films for Hydrogen Evolution

Xile Hu, Heron Vrubel, Stéphane Fierro, Daniel Andreas Merki, Lorenzo Rovelli

Molybdenum sulfide materials had been shown as promising non-precious catalysts for hydrogen evolution. This paper describes the study of the promotional effect of certain transition metal ions on the activity of amorphous MoS3 films. Ternary metal sulfide ...

2012

Amorphous Molybdenum Sulfide Films as Catalysts for Electrochemical Hydrogen Production in Water

Xile Hu, Heron Vrubel, Stéphane Fierro, Daniel Andreas Merki

Amorphous molybdenum sulfide films are efficient hydrogen evolution catalysts in water. The films are prepared via simple electro-polymerization procedures and are characterized by XPS, electron microscopy and electronic absorption spectroscopy. Whereas th ...

2011

pH sensing using boron doped diamond electrodes

Christos Comninellis, Stéphane Fierro

The boron doped diamond (BDD) electrode is presented as an appropriate candidate for next generation glass-free, highly stable and accurate pH sensors. The method used in this study is based on the potential change related to the hydrogen evolution reactio ...

2011

Influence of Doping Level on the Electrochemical Oxidation of Formic Acid on Boron Doped Diamond Electrodes

Christos Comninellis, Stéphane Fierro

The influence of the boron doping level in boron doped diamond electrodes (BDD) on the electro-generation of active intermediates (hydroxyl radicals and hydrogen peroxide) involved in the oxidation of organic compounds has been studied. It is shown that th ...

2011

Kinetic study of formic acid oxidation on Ti/IrO2 electrodes prepared using the spin coating deposition technique

Christos Comninellis, Stéphane Fierro

In the first part of this paper, IrO2 electrodes produced by thermal decomposition of H2IrCl6 precursor were manufactured using the spin coating deposition technique, where centrifugal forces spread the precursor solution with simultaneous evaporation of t ...

Elsevier2010

Electrochemical comparison between IrO2 prepared by thermal treatment of iridium metal and IrO2 prepared by thermal decomposition of H2IrCl6 solution

Christos Comninellis, Agnieszka Kapalka, Stéphane Fierro

The surface redox activities, the oxygen evolution reaction (OER), the oxidation of formic acid (FA) and the anodic stability have been investigated and compared on IrO2 electrodes prepared by two techniques: the thermal decomposition of H2IrCl6 precursor ...

Elsevier2010

Microelectrode-array of IrO2 prepared by thermal treatment of pure Ir

Christos Comninellis, Agnieszka Kapalka, Stéphane Fierro, Olivier Frey

In this paper, the IrO2 electrode preparation technique consisting in thermal treatment of pure Ir in air was used in order to produce an IrO2-based microelectrode-array (TOIROF-MEA) with low capacitive background current. The TOIROF-MEA was characterized ...

Elsevier2010