Publications de El Hadji Malick Camara

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

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

Inkjet Printed SnO2 Gas Sensor on Plastic Substrate

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

We report on the development of a metal oxide (MOx) sensor prepared by inkjet printing technology onto polyimide foil. Gold electrodes and a gold heater were printed on each side of the substrate, respectively. SnO2 based ink was developed by sol-gel metho ...

Elsevier2015

Single Layer Gold Hotplate, Printed on Polyimide, with Heater Used as Sensing Current Drain for Metal-oxide Gas Sensor

Danick Briand, El Hadji Malick Camara, José Luis Ramirez Falo

We report a simple transducer architecture based on two interdigitated inkjet-printed gold electrodes deposited on polymer substrate. The particularity of this transducer is the double functionality of the heater, since it works as heater and sensor electr ...

Elsevier2015

Capacitive Strain Sensors Inkjet-printed on PET Fibers for Integration in Industrial Textile

Nico de Rooij, Danick Briand, Andres Felipe Vasquez Quintero, Giorgio Mattana, El Hadji Malick Camara

We report on printed strain sensors on several meters long PET fibers for integration in textile at large scale. The sensors are made by locally inkjet printing capacitive transducers on cylindrical PET fibers used in industrial textiles. Sensor measuremen ...

Elsevier2015

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

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

Nico de Rooij, Danick Briand, Francisco Molina Lopez, 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

MEMS-based Porous Silicon Preconcentrators Filled with Carbopack-B for Explosives Detection

Nico de Rooij, Danick Briand, El Hadji Malick Camara

In this paper we report the detection of explosive compounds using a miniaturized gas preconcentrator (μGP) made of porous silicon (PS) filled in with Carbopack B as an adsorbent material. The μGP includes also a platinum heater patterned at the backside a ...

Elsevier2014

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