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A Unified View on Nanoscale Packing, Connectivity, and Conductivity of CNT Networks

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Identifying Chemical Functionalization on Individual Carbon Nanotubes and Graphene by Local Vibrational Fingerprinting

Klaus Kern, Kannan Balasubramanian

Chemical functionalization of carbon nanotubes (CNTs) and graphene allows for fine-tuning their physical and chemical properties to realize fascinating new fundamental phenomena as well as exotic applications. A primary challenge in such endeavors is the n ...

Amer Chemical Soc2015

Carbon nanotube gas sensor array for multiplex analyte discrimination

Montserrat Fernandez-Bolanos Badia, Hoël Maxime Guérin, Elizabeth Buitrago Godinez

The lack of selectivity toward a particular analyte has always been the primary concern regarding CNT-based gas sensors. For that reason, in here we present a gas discrimination strategy that focuses on the electrode-CNT junction. The junction is shown to ...

Elsevier Science Sa2015

Chemical challenges during the synthesis of MWCNT-based inorganic nanocomposite materials

László Forró, Arnaud Magrez, Endre Horvath, Klara Hernadi

Multiwalled carbon nanotubes (MWCNTs) were successfully covered with metal oxides - such as TiO2, ZnO, Al2O3, SnO2, and In2O3 nanoparticles - with different preparation methods under solvent conditions. The applied synthesis techniques were impregnation, a ...

Wiley-V C H Verlag Gmbh2014

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Directed assembly of nano building blocks offers a versatile route to the creation of complex nanostructures with unique properties. Bottom-up directed assembly of nanoparticles have been considered as one of the best approaches to fabricate such functiona ...

2014

Capillary particle assembly (CAPA) for plasmonic devices

Elmira Shahrabi

Signicant progress has been made to synthesis colloidal particles capable of controlling shape , dimensions and structures. These nanoparticles placement and integration on sur- faces is the main challenges of engineering approaches. Here, we investigate t ...

2014

High-yield, in-situ fabrication and integration of horizontal carbon nanotube arrays at the wafer scale for robust ammonia sensors

Mihai Adrian Ionescu, Hoël Maxime Guérin, Laurent Syavoch Bernard, Elizabeth Buitrago Godinez

This paper reports the successful experimental demonstration of the localized growth of horizontal, dense carbon nanotube (CNT) arrays in situ and at the wafer scale. The selectivity and directionality of the CNT catalytic growth process along with the ade ...

Pergamon-Elsevier Science Ltd2014

As complementary metal–oxide–semiconductor (CMOS) scaling meets fundamental limitations, revolutionary device concepts and materials are urgently needed as alternatives or supplements to CMOS technology. Carbon nanotubes (CNTs), featuring extraordinary phy ...

EPFL2013

Dense array of horizontal carbon nanotubes (CNTs) connected to electrodes is a basic building block for devices in a wide field of applications such as interconnect lines or micro-electromechanical systems (MEMS) for sensing for instance. For interconnects ...

2013

Plasmon Nanomechanical Coupling for Nanoscale Transduction

Tobias Kippenberg

We demonstrate plasmon-mechanical coupling in a metalized nanomechanical oscillator. A coupled surface plasmon is excited in the 25 nm wide gap between two metalized silicon nitride beams. The strong plasmonic dispersion allows the nanomechanical beams the ...

American Chemical Society2013

Stabilization of a linear nanomechanical oscillator to its thermodynamic limit

Tobias Kippenberg, Emanuel Gavartin

The rapid development of micro- and nanomechanical oscillators in the past decade has led to the emergence of novel devices and sensors that are opening new frontiers in both applied and fundamental science. The potential of these devices is however affect ...

Nature Publishing Group2013