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Publications associées (14)

Growth of CNT Forests on Titanium Based Layers, Detailed Study of Catalysts

László Forró, Endre Horvath, Pavao Roko Andricevic, Klara Hernadi

For better electrical contacts of potential devices, growth of vertically aligned carbon nanotubes (CNT forests) directly onto conductive substrates is an emerging challenge. Here, we report a systematic study on the CCVD synthesis of carbon nanotube fores ...

FRONTIERS MEDIA SA2018

Three-Dimensionally Enlarged Photoelectrodes by a Protogenetic Inclusion of Vertically Aligned Carbon Nanotubes into CH3NH3PbBr3 Single Crystals

László Forró, Endre Horvath, Andrzej Sienkiewicz, Xavier François Mettan, Bálint Náfrádi, Márton Kollár, Pavao Roko Andricevic, Klara Hernadi

We demonstrate that single crystals of methylammonium lead bromide (MAPbBr(3)) could be grown directly on vertically aligned carbon nanotube (VACNT) forests. The fast-growing MAPbBr3 single crystals engulfed the protogenetic inclusions in the form of indiv ...

Amer Chemical Soc2017

Evaluation of niobium dimethylamino-ethoxide for chemical vapour deposition of niobium oxide thin films

Patrik Willi Hoffmann, Ali Dabirian, Yury Kuzminykh, Estelle Wagner, Giacomo Benvenuti

Chemical vapour deposition (CVD) processes depend on the availability of suitable precursors. Precursors that deliver a stable vapour pressure are favourable in classical CVD processes, as they ensure process reproducibility. In high vacuum CVD (HV-CVD) pr ...

Elsevier2014

Comparison of Two Different Carbon Nanotube-based Surfaces with Respect to Potassium Ferricyanide Electrochemistry

Giovanni De Micheli, Sandro Carrara, Irene Taurino

This paper describes the electrochemical investigation of two multi-walled carbon nanotube-based electrodes using potassium ferricyanide as a benchmark redox system. Carbon nanotubes were fabricated by chemical vapor deposition on silicon wafer with campho ...

2012

Vertically-Aligned Carbon Nanotubes for Supercapacitor and the Effect of Surface Functionalization to its Performance

Jürgen Brugger, Mélanie Guittet

Design of an enhanced supercapacitor using vertically-aligned carbon nanotubes as electrodes ...

2011

Use of Vertically-Aligned Carbon Nanotube Array to Enhance the Performance of Electrochemical Capacitors

Mélanie Guittet

In the domain of energy storage, electrochemical capacitors have numerous applications ranging from hybrid vehicles to consumer electronics, with very high power density at the cost of relatively low energy storage. Here, we report an approach that uses ve ...

IEEE2011

Comparing the enhanced sensing interfaces of differently oriented carbon nanotubes onto silicon for bio-chip applications

Giovanni De Micheli, Sandro Carrara, Irene Taurino

Carbon nanotubes improve the sensitivity of electrochemical biochips. An optimized integration of the nano/bio/CMOS interface is required to realize accurate and low-cost sensors for applications in personalized medicine. The nanotubes orientation on the c ...

2011

The critical role of the underlayer material and thickness in growing vertically aligned carbon nanotubes and nanofibers on metallic substrates by chemical vapor deposition

Donatello Acquaviva

Vertically aligned carbon nanotubes and nanofibers are grown on metallic Ta and Pd underlayers at temperatures below 500°C. Controlling the size of the grains of the underlayer film is critical because this leads to a more uniform distribution of catalyst ...

Wiley-Blackwell2010

Tunable MEMS capacitors using vertical carbon nanotube arrays grown on metal lines

Mihai Adrian Ionescu, Montserrat Fernandez-Bolanos Badia, Anupama Arun, Donatello Acquaviva

In this work, tunable MEMS capacitors are realized using a vertically grown carbon nanotube array. The vertical CNT array forms an effective CNT membrane, which can be electrostatically actuated like the conventional metal plates used in MEMS capacitors. T ...

2010

Nano-Electro-Mechanical Switches Based on Carbon Nanotubes Arrays

Donatello Acquaviva

In the last forty years the semiconductor industry focused on the downscaling process of the CMOS (Complementary Metal-Oxide-Semiconductor) technology, trying to follow as much as possible the empirical Moore's Law. In the last five years this trend has be ...

EPFL2010

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