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Functional Ink Formulation for Printing and Coating of Graphene and Other 2D Materials: Challenges and Solutions

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The potential applications of graphene-based materials in catalysis have been intensively studied owing to the unique 2D structure of graphene and its superior physicochemical properties. Recently, graphene-coated oxide composites have been fabricated and ...

Wiley-V C H Verlag Gmbh2017

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Graphene is emerging as a promising material for photonic applications owing to its unique optoelectronic properties. Graphene supports tunable, long-lived and extremely confined plasmons that have great potential for applications such as biosensing and op ...

Chinese Acad Sciences, Changchun Inst Optics Fine Mechanics And Physics2017

Fast diffusion of water nanodroplets on graphene

Gabriel Aeppli, Gabriele Tocci, Ming Ma

Diffusion across surfaces generally involves motion on a vibrating but otherwise stationary substrate. Here, using molecular dynamics, we show that a layered material such as graphene opens up a new mechanism for surface diffusion whereby adsorbates are ca ...

Nature Publishing Group2016

Graphene Field Effect Devices and Circuits

Clemens Benedict Nyffeler

Electronics today permeate our life and existence. It has become nearly impossible to evade any dependence on electronic devices that surround us every day - computers, phones, televisions. But also other objects become increasingly "smart" - watches, cars ...

EPFL2016

Some Like It Flat: Decoupled h-BN Monolayer Substrates for Aligned Graphene Growth

Silvan Dino Marcos Roth

On the path to functional graphene electronics, suitable templates for chemical vapor deposition (CVD) growth of high -mobility graphene are of great interest. Among various substrates, hexagonal boron nitride (h-BN) has established itself as one of the mo ...

Amer Chemical Soc2016

Selective Functionalization of Graphene Peripheries by using Bipolar Electrochemistry

Klaus Kern, Kannan Balasubramanian

We present a contactless strategy based on bipolar electrochemistry for the local chemical modification of monolayer graphene sheets supported on a substrate. Specifically, peripheral graphene regions are directly modified by copper nanoparticles, the char ...

Wiley-V C H Verlag Gmbh2016

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Here, using ultrafast electron crystallography (UEC), we report the observation of rippling dynamics in suspended monolayer graphene, the prototypical and most-studied 2D material. The high scattering cross-section for electron/matter interaction, the atom ...

National Academy of Sciences2016

High Responsivity, Large-Area Graphene/MoS2 flexible photodetectors

Andras Kis, Dumitru Dumcenco, Kolyo Marinov, Domenico De Fazio

We present flexible photodetectors (PDs) for visible wavelengths fabricated by stacking centimeter-scale chemical vapor deposited (CVD) single layer graphene (SLG) and single layer CVD MoS2, both wet transferred onto a flexible polyethylene terephthalate s ...

American Chemical Society2016

Bending Rules in Graphene Kirigami

The three-dimensional shapes of graphene sheets produced by nanoscale cut-and-join kirigami are studied by combining large-scale atomistic simulations with continuum elastic modeling. Lattice segments are selectively removed from a graphene sheet, and the ...

Amer Physical Soc2015

Large area suspended graphene for nano-mechanical devices

Mihai Adrian Ionescu, Clara-Fausta Moldovan

To address the need for large area dry graphene transfer techniques in Nanomechanical applications we use transfer printing to suspend large areas of graphene on pre-patterned substrates with cavities. We find that using this method, clean suspended graphe ...

Wiley-V C H Verlag Gmbh2015