Concept

Élément-trace métallique

Publications associées (523)

Synthesis, Characterization, and Reactivity of the First Osmium beta-Diketiminato Complexes and Application in Catalysis

Paul Joseph Dyson, Rosario Scopelliti, Andrew Douglas Phillips, Dominique Schreiber

The strongly chelating anionic beta-diketiminate ligand has been employed to formulate complexes involving almost every metal of the periodic table; however, the heavier metals of the d block remain relatively unexplored. This paper describes the synthesis ...

Amer Chemical Soc2013

The extremely low-metallicity tail of the Sculptor dwarf spheroidal galaxy

Pascale Jablonka

We present abundances for seven stars in the (extremely) low-metallicity tail of the Sculptor dwarf spheroidal galaxy, from spectra taken with X-shooter on the ESO VLT. Targets were selected from the Ca II triplet (CaT) survey of the dwarf abundances and r ...

Edp Sciences S A2013

Metal free sensitizer and catalyst for dye sensitized solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Ladislav Kavan

The carbon neutral process for energy conversion is of utmost importance, in this context photovoltaics, especially dye sensitized solar cells (DSSCs) are a viable alternative. Few terawatts of carbon free renewable energy can be produced by DSSCs. However ...

Royal Society of Chemistry2013

Integrated packaging solutions and hotplates for a miniature atomic clock and other microsystems

Fabrizio Vecchio

This thesis aimed at developing innovative packaging solutions for a miniature atomic clock and other microsystems in the cm-scale, i.e. somewhat larger than what is practical for full "chip-scale" device-package integration using clean-room technologies f ...

EPFL2013

Wetting Behavior of Ternary Au-Ge-X (X = Sb, Sn) Alloys on Cu and Ni

Christian Leinenbach, Shan Jin

Au-Ge-based alloys are potential substitutes for Pb-rich solders currently used for high-temperature applications. In the present work, the wetting behavior of two Au-Ge-X (X = Sb, Sn) ternary alloys, i.e., Au-15Ge-17Sb and Au-13.7 Ge-15.3Sn (at.%), in con ...

Springer2013

Design and construction of a portable whole-cell living bacterial biosensor for the detection of arsenic in water

Nina Buffi

Contamination of drinking water with arsenic is a recurring problem in both industrialized and developing countries. Supplies for large populations can have concentrations much higher than the permissible levels, set by the World Health Organization (WHO) ...

EPFL2013

Sediment quality assessment in Switzerland: spatial and temporal patterns of contamination

Luca Rossi, Benoît Jean Dominique Ferrari, Maria del Carmen Casado Martinez, Luiz Felippe De Alencastro, Sophie Campiche

A validation or adaptation of the TEC-PEC values for Switzerland is recommended before SQG can be implemented. Background concentrations can be established on a regional scale when a broad database is available, e.g. 5%-percentile of data. Else the FOREGS ...

2013

In situ photo-assisted deposition of MoS2 electrocatalyst onto zinc cadmium sulphide nanoparticle surfaces to construct an efficient photocatalyst for hydrogen generation

Michael Graetzel, Nripan Mathews

We reported herein a facile and scalable preparation process for MoS2-decorated ZnxCd1-xS hybrid photocatalysts for hydrogen generation. ZnxCd1-xS nanopowder was first prepared from commercially available precursors employing a solution based process. MoS2 ...

Royal Society of Chemistry2013

Opening of a Peierls gap in BaVS3 probed by V L-3 edge resonant inelastic x-ray scattering

Marco Grioni, Thorsten Schmitt, Helmuth Berger, Marco Guarise

V L-3 edge resonant inelastic x-ray scattering measurements performed on high quality BaVS3 single crystals reveal that the intra-t(2g) dd excitations close to the elastic peak are suppressed below the metal-insulator transition induced by the Peierls inst ...

Iop Publishing Ltd2013

Sediment contamination assessment in urban areas based on total suspended solids

David Andrew Barry, Luca Rossi, Jonas Margot, Nathalie Chèvre Rossi, Romuald Curdy

Sediment represents an important compartment in surface waters. It constitutes a habitat or spawning site for many organisms and is an essential trophic resource for higher level organisms. It can be impacted by anthropogenic activities, particularly throu ...

Elsevier2013

Graph Chatbot

Chattez avec Graph Search

Posez n’importe quelle question sur les cours, conférences, exercices, recherches, actualités, etc. de l’EPFL ou essayez les exemples de questions ci-dessous.

AVERTISSEMENT : Le chatbot Graph n'est pas programmé pour fournir des réponses explicites ou catégoriques à vos questions. Il transforme plutôt vos questions en demandes API qui sont distribuées aux différents services informatiques officiellement administrés par l'EPFL. Son but est uniquement de collecter et de recommander des références pertinentes à des contenus que vous pouvez explorer pour vous aider à répondre à vos questions.

Connectez-vous pour utiliser Chat avec Graph Search