Our research activities deal with the electrical properties of solids interacting with a gas, and are applied to the development of gas and particle sensors.
They cover the entire value chain from the physico-chemical principles of gas-solid interactions and their modeling, the development of chemical sensors based on semiconductor or ionic conductive materials using various shaping technologies (screen printing, inkjet printing, etc.), the implementation and evaluation of sensors performance on laboratory test benches or on site, and data processing.
Research activities
Robust and high temperature sensors
- Potentiometric gas sensors
- Soot/particle sensors
- Sensors for exhaust (gas and particles)
- Hydrogen sensors, Biogas, Power to Gas applications
- Single-Chamber SOFC
Low temperature gas sensors
- Functionalized SnO2
- Flexible support
- VOC and NH3 detection
- Printed electronics, Food packaging, Breath analysis
- Gas pre-concentrator
Sensors and analyzers evaluation
- Multi-sensors behavior modeling
- “Online” process monitoring
- Air Quality System: indoor and outdoor pollution
- Drugs and explosives detection
Skills
Physico-chemical characterizations and modeling of solid-gas interactions
- Preparation of thin and thick films, inks formulation
- Test bench developments, Gas processing and gas metrology
- Electrical, electrochemical measurements and developments
- Signal processing, Data processing
- Deep learning for multi-sensors
Experimental tools
Physico-chemical characterization facilities at Mines St-Etienne
- SEM, TEM, XRD, Thermal analyses, Spectroscopies and chemical analyses (XPS, Raman, FTIR, ICP)
- Dedicated equipment
Processing tools
Screen-Printer / Tape-casting machine / Ink-jet printer / Laser machine / High temperature furnaces
Gas and particles sensing equipment
Test benches under controlled gases and temperature, gas generation from ppb to % (gas permeation, cylinder)
Specific tools for instrumentation, data acquisition and treatment
Electronic units for sensor monitoring: electrical measurements and control
Electrical characterization equipment
Potentiostats-galvanostats, Frequency response analyzer for EIS measurements
Chemical and thermal characterization equipment
- Gas chromatograph coupled with Mass spectrometer
- Gas analyzers (NO, NO2, CO, NH3, O2, etc.) Thermo-desorption equipment
SERVICE OFFERS
- Services
- Consulting
- Research contracts, internships, PhD, …
Contact: viricelle@emse.fr
www.mines-stetienne.fr/…sensors/
Group members
- BREUIL Philippe : curriculum
- LAKHMI Riadh : curriculum
- PIJOLAT Christophe : curriculum
- RIEU Mathilde : curriculum
- VIRICELLE Jean-Paul : curriculum