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Publications associées (246)

Evaluating the critical thickness of TiO2 layer on insulating mesoporous templates for efficient current collection in dye-sensitized solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Robin Humphry-Baker, Pascal Comte, Chenyi Yi, Aravind Kumar Chandiran

In this paper, we present a way of utilizing thin and conformal overlayer of titanium dioxide on insulating mesoporous template as a photoanode for dye-sensitized solar cells (DSC). Different thicknesses of TiO2 ranging from 1 nm to 15 nm are deposited on ...

Wiley-Blackwell2013

Nanocomposites of titanium dioxide and polystyrene-poly(ethylene oxide) block copolymer as solid-state electrolytes for lithium metal batteries

Raffaella Buonsanti

There is considerable interest in developing solid electrolytes for rechargeable lithium batteries as they have the potential to increase both energy d. due to incorporation of a lithium metal anode and safety of batteries due to the fact that they are non ...

2013

Bioinspired, releasable quorum sensing modulators

Adrien Keith Lawrence, Karl Gademann

We demonstrate the synthesis and immobilization of natural product hybrids featuring an acyl-homoserine lactone and a nitrodopamine onto biocompatible TiO2 surfaces through an operationally simple dip-and-rinse procedure. The resulting immobilized hybrids ...

Royal Soc Chemistry2013

Screen-printed electrochemical chromium (VI) sensing electrodes for effluent bioremediation monitoring

Peter Ryser, Thomas Maeder, Caroline Jacq

In this work, we introduce a simple, low-cost and acid-resistant materials system for carbon-based screen-printed electrodes (SPEs), and apply it to chemical sensing of hexavalent chromium, i.e. Cr(VI), in acid environments, as encountered in bioremediatio ...

Elsevier Science Bv2012

Vanadium Dioxide: A Peierls-Mott Insulator Stable against Disorder

Cédric Weber

Vanadium dioxide undergoes a first order metal-insulator transition at 340 K. In this Letter, we develop and carry out state-of-the-art linear scaling density-functional theory calculations refined with nonlocal dynamical mean-field theory. We identify a c ...

2012

Processing and Mechanical Properties of Alumina Reinforced Copper-Aluminum Composites

Carmen Krüger

Copper-based composites reinforced with alumina particles are produced by two different pro- cesses, namely gas pressure driven infiltration of a porous alumina preform and a two-step in-situ process developed in the course of this work. The resulting comp ...

EPFL2012

Resistive Programmable Through Silicon Vias for Reconfigurable 3D Fabrics

Giovanni De Micheli, Davide Sacchetto, Michail Zervas, Yusuf Leblebici, Yüksel Temiz

In this letter we report on the fabrication and characterization of titanium dioxide (TiO2)-based resistive RAM (ReRAM) co-integration with 380 ìm-height Cu Through Silicon Via (TSV) arrays for programmable 3D interconnects. Nonvolatile resistive switching ...

Institute of Electrical and Electronics Engineers2012

Tribo-electrochemical characterization of metallic biomaterials for total joint replacement

Stefano Mischler

Knee and hip joint replacement implants involve a sliding contact between the femoral component and the tibial or acetabular component immersed in body fluids, thus making the metallic parts susceptible to tribocorrosion. Micro-motions occur at points of f ...

Elsevier2012

Implementation of the "loaded implant" model in the rat using a miniaturized setup - description of the method and first results

John Botsis, Joël Cugnoni, Philippe Bonhote

Objective To miniaturize the loaded implant model to permit its application to small rodents. In this model, two titanium implants are placed 8 mm apart with their heads protruding from the skin and are forced together by a dedicated actuator. To assess th ...

Wiley-Blackwell2012

Enhancement of the optically activated NO2 gas sensing response of brookite TiO2 nanorods/nanoparticles thin films deposited by matrix-assisted pulsed-laser evaporation

Raffaella Buonsanti, Mikaël Martino

Brookite titanium dioxide (TiO2) nanorods, synthesized by a surfactant-assisted aminolysis route, were used as precursors for the fabrication of thin films by using the matrix-assisted pulsed-laser deposition (MAPLE) technique. Thin films with controllable ...

2012

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