Publications by Nico de Rooij | EPFL Graph Search

Editorial: Modeling and Applications of Optoelectronic Devices for Access Networks

2021

Nonlinear piezoelectric vibration energy harvester with frequency-tuned impacting resonators for improving broadband performance at low frequencies

Nico de Rooij, Robert Andrew Lockhart, Danick Briand, Andres Felipe Vasquez Quintero

The paper reports on a nonlinear frequency up-converting vibration energy harvester with enhanced broadband performance below 50 Hz, which is attained by leveraging vibro-impact interaction between two high-frequency piezoelectric generators and two low-fr ...

IOP PUBLISHING LTD2019

Highly transparent humidity sensor with thin cellulose acetate butyrate and hydrophobic AF1600X vapor permeating layers fabricated by screen printing

Nico de Rooij, Danick Briand, El Hadji Malick Camara, Hongyu Li, Hongwei Jiang, Jun Li

2018

A low-cost UWB sensor node powered by a piezoelectric harvester or solar cells

Nico de Rooij, Anja Skrivervik, Pierre-André Farine, Robert Andrew Lockhart, Danick Briand, Cyril Botteron, Christian Robert, Franz-Josef Haug, Pattanaphong Janphuang, Gabriele Tasselli

We propose an autonomous battery-less wireless sensor node that combines on a single printed circuit board an ultra-wideband (UWB) transmitter and its printed antenna, together with a piezoelectric cantilever and a solar cell array to harvest vibrations an ...

Elsevier2016

Smart RFID Label with a Printed Multisensor Platform for Environmental Monitoring

Nico de Rooij, Francisco Molina Lopez, Danick Briand, Andres Felipe Vasquez Quintero

2016

Tubular gas preconcentrators based on inkjet printed micro-hotplates on foil

Nico de Rooij, Danick Briand, El Hadji Malick Camara

This paper presents the design and implementation of a foil gas preconcentrator (FGP) based on a gold micro-hotplate inkjet printed on a polyimide (PI) substrate. The device is made on flexible foil using printing whereas all preconcentrators seen in liter ...

Elsevier2016

Fully inkjet printed SnO2 gas sensor on plastic substrate

Nico de Rooij, Danick Briand, El Hadji Malick Camara, Mathilde Rieu

A tin dioxide (SnO2) sensor was fabricated by inkjet printing onto polyimide foil. Gold electrodes and heater were printed on each side of the substrate. A SnO2 based ink was developed by sol-gel method and jetted onto the electrodes. A final annealing at ...

Elsevier2016

Preconcentration Modeling for the Optimization of a Micro Gas Preconcentrator Applied to Environmental Monitoring

Nico de Rooij, Danick Briand, El Hadji Malick Camara

This paper presents the optimization of a micro gas preconcentrator (mu-GP) system applied to atmospheric pollution monitoring, with the help of a complete modeling of the preconcentration cycle. Two different approaches based on kinetic equations are used ...

American Chemical Society2015

Foil-Level Inkjet-Printed pyroMEMS Balloon Actuators: Fabrication, Modeling, and Validation

Nico de Rooij, Francisco Molina Lopez, David de Koninck, Danick Briand

A cleanroom-free fabrication process adapted to microfluidic devices is presented for pyrotechnical microelectromechanical systems balloon actuators. The actuators are intended for on-chip pumping and fluid ejection to replace tabletop pumping solutions in ...

Institute of Electrical and Electronics Engineers2014

In-plane fabrication of insulated gold-tip probes for electrochemical and force spectroscopy molecular experiments

Nico de Rooij, Terunobu Akiyama, Sebastian Gautsch, Peter Van der Wal, Yexian Wu

A new and versatile fabrication process of insulated gold tip probes for atomic force microscopy (AFM) is presented by Wu et al. (In-plane fabricated insulated gold-tip probe for electrochemical and molecular experiments, in: 2013 IEEE 26th International C ...

Elsevier2014

Study of bending reliability and electrical properties of platinum lines on flexible polyimide substrates

Nico de Rooij, Jérôme Courbat, Francisco Molina Lopez, Danick Briand

We have experimentally studied the variation in electrical resistance of flexible platinum lines patterned on polyimide foil when they are subjected to circular bending constraints. The lines were patterned by means of standard photolithography and sputter ...

Elsevier2014

Printed capacitive sensing device

Nico de Rooij, Danick Briand

Capacitive-based sensing device comprising an organic substrate, a sensing layer and two printed/additively deposited planar electrodes, said sensing layer being separated from the substrate by at least one separating layer. ...

2014

A Wearable System Of Micromachined Piezoelectric Cantilevers Coupled To A Rotational Oscillating Mass For On-Body Energy Harvesting

Nico de Rooij, Robert Andrew Lockhart, Danick Briand, Pattanaphong Janphuang

In this paper, we present a compact, wearable piezoelectric on-body harvesting system that uses a small eccentric mass from a common watch movement to mechanically deflect a set of micromachined piezoelectric cantilevers when excited by the low frequency m ...

IEEE2014

Development of a New Generation of Ammonia Sensors on Printed Polymeric Hotplates

Nico de Rooij, Francisco Molina Lopez, Danick Briand, Andres Felipe Vasquez Quintero, El Hadji Malick Camara

Conducting polyaniline-based chemiresistors on printed polymeric micro-hotplates were developed, showing sensitive and selective detection of ammonia vapor in air. The devices consist of a fully inkjet-printed silver heater and interdigitated electrodes on ...

American Chemical Society2014

Printing And Encapsulation Of Electrical Conductors On Polylactic Acid (Pla) For Sensing Applications

Nico de Rooij, Danick Briand, Andres Felipe Vasquez Quintero, Giorgio Mattana, Alexis Pierre Henri Marette, Nathalie Frolet

This paper presents the printing of resistive and interdigitated (IDE) capacitive devices for temperature and humidity sensing applications, respectively, on biodegradable polylactic acid (PLA) substrates. Inkjet and gravure printing were evaluated to tran ...

IEEE2014

On The Optimization And Performances Of A Compact Piezoelectric Impact Mems Energy Harvester

Nico de Rooij, Robert Andrew Lockhart, Danick Briand, Pattanaphong Janphuang

This paper presents the development of a compact energy harvesting configuration to convert low frequency, mechanical oscillations into usable electrical energy using AFM-like MEMS piezoelectric cantilevers coupled to a rotating gear. In this approach, one ...

IEEE2014

Properties and Printability of Inkjet and Screen-Printed Silver Patterns for RFID Antennas

Nico de Rooij, Francisco Molina Lopez, Danick Briand, Jinyu Jason Ruan

We report the modeling, and geometrical and electrical characterization, of inkjet and screen-printed patterns on different polymeric substrates for use as antennas in radio-frequency identification (RFID) applications. We compared the physical and electri ...

Springer Verlag2014

Large Arrays Of Inkjet-Printed Mems Microbridges On Foil

Nico de Rooij, Francisco Molina Lopez, Danick Briand

This works describes the fabrication process of an array of printed MEMS microbridges on polymeric foil, performed in only four easy steps. Each functional material was deposited exclusively by inkjet-printing technique, compatible with large-area fabricat ...

IEEE2014

Multisite monitoring of choline using biosensor microprobe arrays in combination with CMOS circuitry

Nico de Rooij, Olivier Frey, Peter Van der Wal

A miniature device enabling parallel in vivo detection of the neurotransmitter choline in multiple brain regions of freely behaving rodents is presented. This is achieved by combining a biosensor microprobe array with a custom-developed CMOS chip. Each sil ...

De Gruyter2014

Design considerations to enhance the performances of thin circular piezoelectric energy harvester diaphragms in harsh liquid environments

Nico de Rooij

Thin circular piezoelectric energy harvester diaphragms undergoing large deflection in a harsh liquid environment are investigated in this paper. A material set combining AlN as transducer, SiC as electronics, Mo as wiring and Si as holder is considered. A ...

Iop Publishing Ltd2013