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Publications associées (24)

A Sprayable Electrically Conductive Edible Coating for Piezoresistive Strain Sensing

Dario Floreano, Bokeon Kwak

Edible electronics leverages the electronic properties of food-derived materials to deliver safer technologies that can be degraded (or digested) in the environment (or body) at the end-of-life. Sensors will be central to future smart edible robots, and ed ...

Wiley2024

Additive manufacturing inks or resins and additive manufactured structures

Esther Amstad, Matteo Hirsch, Alvaro Lino Boris Charlet

The invention relates to additive manufacturing inks and resins; methods of using said inks and resins in additive manufacturing; and additive manufactured articles made using said inks and resins. ...

2022

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

Frank Nüesch, Jakob Heier, Sina Abdolhosseinzadeh, Mohammad Jafarpour

The properties of 2D materials are unparalleled when compared to their 3D counterparts; many of these properties are a consequence of their size reduction to only a couple of atomic layers. Metallic, semiconducting, and insulating types can be found and fo ...

WILEY2022

2D Material Based Inks For Room Temperature Printed Electronics

Sina Abdolhosseinzadeh

Functional printing is a versatile mass production method that has gained considerable scientific and industrial attention in the past few years. A wide range of electronics from passive circuit components (e.g., resistors and interconnects) to high-perfor ...

EPFL2021

Inkjet-printed polymer composites for the detection of volatile organic compounds

Mohammadmahdi Kiaee

Sensors capable of detecting and classifying volatile organic compounds (VOC) have been gaining more attention by the advent of internet-of-things (IoT) enabled devices and integration of various sensing elements into hand-held and portable devices. The re ...

EPFL2021

Stability of inks used for masking metallic interconnects in BIPV modules

Christophe Ballif, Alessandro Francesco Aldo Virtuani, Alejandro Borja Block

The necessity to reduce carbon emissions has pushed European institutions to foster the adoption - for new buildings - of Nearly Zero Energy Buildings, which need to minimize energy consumption with energy generated on site. This opens up an enormous poten ...

2021

3D Printing of Strong and Tough Double Network Granular Hydrogels

Esther Amstad, Matteo Hirsch, Alvaro Lino Boris Charlet

Many soft natural tissues display a fascinating set of mechanical properties that remains unmatched by manmade counterparts. These unprecedented mechanical properties are achieved through an intricate interplay between the structure and locally varying the ...

2020

Inkjet‐Printed Composites for Room‐Temperature VOC Sensing: From Ink Formulation to Sensor Characterization

Jürgen Brugger, Thomas Maeder, Mohammadmahdi Kiaee

The authors report the fabrication and characterization of chemiresistive sensors, composed of a thermoplastic elastomer (TPE), styrene‐ethylene‐ran‐butylene‐styrene, and a high‐structure carbon black (CB) targeted for detecting hydrocarbons at or near roo ...

Wiley2020

An Ink–and–Paper Automaton: The Conceptual Mechanization of Cognition and the Practical Automation of Reasoning in Leibniz’s De Affectibus (1679)

Simon François Dumas Primbault

On ten loose handwritten folios dating back from April 1679, Leibniz gradually devised, in the course of three days, a full-blown theory of thought that nonetheless remained unpublished and still has received little attention from scholars. Conceiving of a ...

2020

Print-Light-Synthesis of Ni and NiFe-nanoscale catalysts for oxygen evolution

Hubert Girault, Emad Oveisi, Andreas Stephan Lesch, Mounir Driss Mensi, Victor Costa Bassetto

By hyphenating inkjet printing and flash light irradiation, Ni- and NiFe-nano-electrocatalysts of diameters below 2.5 nm with ultralow loadings below 2 µg·cm–2 are synthesized. To achieve this, nanoliter ink volumes containing Ni and Fe chlorides as cataly ...

2019

Gravure printed Ag/conductive polymer electrodes and simulation of their electrical properties

Frank Nüesch, Jakob Heier, René Uwe Schneider

In this paper, some practical issues related to the manufacturing, and design criteria related to the application in devices of a hybrid silver grid/poly (3,4-ethylenedioxythiophene) semi-transparent electrode are discussed. The electrodes are fabricated b ...

SPRINGER LONDON LTD2019

Magic Prints: Image-Changing Prints Observed under Visible and 365 nm UV Light

Marjan Shahpaski, Petar Pjanic

In this paper we propose a novel layered-printing method consisting of superposed visible cmy and invisible fluorescent ultraviolet (UV) rgb inks. Our approach can be used to generate a variety of visual color-alteration effects such as revealing two compl ...

I S & T-SOC IMAGING SCIENCE TECHNOLOGY2019

Printing of NiO-YSZ nanocomposites: from continuous synthesis to inkjet deposition

Andreas Stephan Lesch, Victor Costa Bassetto

Water-based inks, containing nanometric NiO and YSZ particles in 66/34 vol. % ratio, are produced by colloidal stabilization of a binary dispersion obtained via continuous hydrothermal synthesis at supercritical conditions, i.e. 280 bar and 400 °C. The met ...

2019

Method and apparatus for generating three-dimensional patterned soft structures and uses thereof

Christophe Moser, Paul Delrot, Jan Krizek, Sylvain Hauser

A method for generating a three-dimensional patterned soft structure, including the steps of providing a soft supporting substrate, providing a drop-on-demand system with a device for varying the velocity of the jetted droplets, providing a liquid ink, jet ...

2018

Rapid inkjet printing of high catalytic activity Co3O4 /N-rGO layers for oxygen reduction reaction

Hubert Girault, Emad Oveisi, Andreas Stephan Lesch, Véronique Amstutz, Victor Costa Bassetto

The accurate and reproducible large-scale production of catalyst layers containing low-cost, abundant electrocatalysts gains in importance. Herein, pivotal factors are discussed that need to be considered when a combined inkjet printing and photonic curing ...

2018

Print-Light-Synthesis of Platinum Nanostructured Indium-Tin-Oxide Electrodes for Energy Research

Andreas Stephan Lesch

Print-light-synthesis is a new concept for the large-scale in situ fabrication of nanoparticles and structures on large substrates. Here, Pt nanoparticles are synthesized on indium tin oxide (ITO) coated glass slides by using combined inkjet printing and p ...

Wiley2018

From closed testaments to books: Virtual X-ray Reading as an alternate digitization technology for fragile documents

Giorgio Margaritondo, Demetri Psaltis, Fauzia Albertin

In recent years, research and technology made considerable progress in increasing the speed and the safety of the entire digitization process of ancient collections. Despite this, imaging ancient, fragile or un-opened documents remains a formidable challen ...

Soc Imaging Science & Technology2017

Virtual reading of a large ancient handwritten science book

Giorgio Margaritondo, Frédéric Kaplan, Alessandra Patera, Fauzia Albertin

We present a fundamental development step of a new technique to read and digitize ancient handwritten documents. Chemical analysis by x-ray fluorescence and x-ray tomography enabled us to decipher words and drawings from inside a closed, 200-pages 18 th ce ...

Elsevier2016

Color Changing Prints on a Metallic Substrate

Petar Pjanic

Printing on a flat metallic substrate has gained popularity in recent years. The reflection of light on a specularly reflecting metallic substrate differs strongly from the reflection of light on a diffusely reflecting medium such as paper. Direct prints o ...

EPFL2016

Color Reproduction with Juxtaposed Halftoning

Vahid Babaei

Recently, non-standard inks have begun to make their way into the world of printing. Non-standard inks are printing materials which exhibit unusual effects such as angular color dependence, texture, or fluorescence. They are made of special-effect pigments ...

EPFL2015