Publications associées à Densité de charge

Femtosecond X-ray absorption study of electron localization in photoexcited anatase TiO2

Majed Chergui, Paul Beaud, Edoardo Baldini, Camelia Borca, Jochen Rittmann, Fabio Giacomo Santomauro, Mahsa Silatani, Patric Zimmermann

Transition metal oxides are among the most promising solar materials, whose properties rely on the generation, transport and trapping of charge carriers (electrons and holes). Identifying the latter's dynamics at room temperature requires tools that combin ...

Nature Publishing Group2015

Correlation between flocculation and adsorption of cationic polyacrylamides on precipitated calcium carbonate

Jutta Christine Wandrey, Hamideh Ahmadloo, Ineide Cruz Pinheiro, David Hunkeler

The study of each stage of the flocculation process is essential to better understand and predict flocculation mechanisms. The adsorption of cationic polyacrylamide derivatives (C-PAM) onto precipitated calcium carbonate (PCC) has been investigated systema ...

Inst Chemical Engineers2015

InGaN based micro light emitting diodes featuring a buried GaN tunnel junction

Nicolas Grandjean, Marco Malinverni, Denis Martin

GaN tunnel junctions (TJs) are grown by ammonia molecular beam epitaxy. High doping levels are achieved with a net acceptor concentration close to similar to 10(20) cm(-3), thanks to the low growth temperature. This allows for the realization of p-n juncti ...

Amer Inst Physics2015

Surface charging behavior of nanoparticles by considering site distribution and density, dielectric constant and pH changes – a Monte Carlo approach

Marianne Seijo, Serge Stoll, Fabrice Carnal

Monte Carlo simulations are used to describe the charging behavior of metal oxide nanoparticles thus enabling a novel and original approach to predict nanoparticle reactivity and the possible interactions with biological and environmental molecules. The ch ...

2015

Incorporation of aluminium in calcium-silicate-hydrates

Karen Scrivener, Barbara Lothenbach, Émilie Michèle L'Hôpital

Calcium silicate hydrate (C-S-H) was synthetized at 20 degrees C to investigate the effect of aluminium uptake (Al/Si = 0-0.33) in the presence and absence of alkalis on the composition and the solubility of a C-S-H with a Ca/Si equal to 1.0. C-S-H incorpo ...

Pergamon-Elsevier Science Ltd2015

Simultaneous realization of light distribution and trapping in micromorph tandem solar cells using novel double-layered antireflection coatings

Christophe Ballif, Franz-Josef Haug, Etienne Antoine Julien Moulin

Implementing antireflection (AR) coatings in micromorph tandem solar cells is a challenging process in which not only more sunlight should get conducted into the cells, but also the current matching between subcells should either be maintained or get impro ...

Elsevier2015

Steam and Co-Electrolysis Sensitivity Analysis on Ni-YSZ Supported Cells

Jan Van Herle, Stefan Diethelm, Giorgio Rinaldi

The present paper investigates the variation in performances in steam electrolysis and co-electrolysis of steam/CO2 on SOEC single cells.In electrolysis mode, a sensitivity analysis was performed looking in particular at the effects of temperature (750°C a ...

2015

Anomalously thick domain walls in ferroelectrics

Nava Setter, Alexander Tagantsev, Tomas Sluka, Maxim Gureev, Petr Yudin

Using the Landau theory we demonstrate the possibility of unusual, anomalously thick ferroelectric domain walls, where the order parameter rotates with a nearly constant modulus as in ferromagnets. The effect occurs in 90 degrees charged domain walls and i ...

Amer Physical Soc2015

Vapor-fed microfluidic hydrogen generator

Demetri Psaltis, Christophe Moser, Sophia Haussener, Miguel Antonio Modestino, Seyyed Mohammad Hosseini Hashemi, Mikaël Dumortier

Water-splitting devices that operate with humid air feeds are an attractive alternative for hydrogen production as the required water input can be obtained directly from ambient air. This article presents a novel proof-of-concept microfluidic platform that ...

Royal Society of Chemistry2015

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Densité de charge

Femtosecond X-ray absorption study of electron localization in photoexcited anatase TiO2

Correlation between flocculation and adsorption of cationic polyacrylamides on precipitated calcium carbonate

InGaN based micro light emitting diodes featuring a buried GaN tunnel junction

Surface charging behavior of nanoparticles by considering site distribution and density, dielectric constant and pH changes – a Monte Carlo approach

Ultrafast dynamics of photoinduced charge separation in cyanine- and polymer-based organic photovoltaic systems

Incorporation of aluminium in calcium-silicate-hydrates

Simultaneous realization of light distribution and trapping in micromorph tandem solar cells using novel double-layered antireflection coatings

Steam and Co-Electrolysis Sensitivity Analysis on Ni-YSZ Supported Cells

Anomalously thick domain walls in ferroelectrics

Vapor-fed microfluidic hydrogen generator

Graph Chatbot

Chattez avec Graph Search

Correlation between flocculation and adsorption of cationic polyacrylamides on precipitated calcium carbonate

InGaN based micro light emitting diodes featuring a buried GaN tunnel junction

Ultrafast dynamics of photoinduced charge separation in cyanine- and polymer-based organic photovoltaic systems

Incorporation of aluminium in calcium-silicate-hydrates

Steam and Co-Electrolysis Sensitivity Analysis on Ni-YSZ Supported Cells

Femtosecond X-ray absorption study of electron localization in photoexcited anatase TiO2

Simultaneous realization of light distribution and trapping in micromorph tandem solar cells using novel double-layered antireflection coatings

Vapor-fed microfluidic hydrogen generator

Surface charging behavior of nanoparticles by considering site distribution and density, dielectric constant and pH changes – a Monte Carlo approach

Anomalously thick domain walls in ferroelectrics