Electro-active polymers
Electro-active polymers
Materials
Electroactive polymers and polymer-based microsystems
Synthesis
Spin coating, insolation, etching, evaporation – millimeter size – near room temperature – collective fabrication
Mastering
Complete/exploratory
Applications
Polymer-based sensors and actuators, biomedicine, defense
Characterisation
Deformation measurements, µforces and electrical characterization
Partnership
OTICON, Robeauté
Nanoparticles
Nanoparticles
Materials
Polymer-based nanoparticles
Synthesis
Grinding – several grams – 50-400 nm size – room temperature and atmospheric pressure
Mastering
Complete
Applications
Nano medicine, aquaculture, agriculture
Characterisation
DLS, SEM, TEM, FTIR, Raman, DRX, XPS
Partnership
SATT, forthcoming startup
Organic materials
Organic materials
Materials
Organic semiconductors (mainly pentacene) – organic polymer (parylene)
Synthesis
- Organic SC : PVD chamber (10-7 mbar) with 3 crucibles for organic materials and 2 for metals installed within a glove box (H2O and O2 < 5 ppm) - up to 3 inch wafers - deposited thickness < 200 nm
- Organic polymer : CVD Comelec system – room temperature – 10-3 mbar – conformal deposition from 30 nm to 20 µm
Mastering
Complete
Applications
Organic semiconductor based devices
Encapsulation, mechanical reinforcement
Characterisation
AFM, STM, FTIR, XPS, SEM, ellipsometry, profilometry
Self-assembled monolayers (SAMs)
Self-assembled monolayers (SAMs)
Materials
Self assembled organic monolayers, surface functionalization by chemisorption
Synthesis
Liquid or gas phase chemistry with solvents – glove box – up to 4 icnh wafers – mainlyroom temperature and ambiant pressure
Mastering
Complete
Applications
Sensors, switchs, memories, substrate encapsulation, active surfaces for chemical, optical or electrical stimulation
Characterisation
Contact angle, ellipsometry, AFM, STM, FTIR, UV, XPS, voltammetry
Partnership
Angers, Orsay and Jussieu universities
Composite materials
Composite materials
Materials
Derived from
– hybrid organic/inorganic precursors : SiCxOy, GeCxOy, SiC/SiO2/Si, hybrid polymers, organic polymers
– Algae and rice husk
Synthesis
- Si/Ge/O/C based materials : Sol-gel process – 1×1 cm2 samples – atmospheric pressure – 25 to 1450°C
- Algae and rice husk : High temperature reactor under various atmospheres (Wet/dry O2, H2, Ar, He, CO2)
Mastering
Complete/exploratory
Applications
Broadband THz and µwave absorbers, materials for harsh atmosphere
Renewable fuels and energy at lower cost, porous materials, thermomechanical composite materials
Characterisation
TG/MS, Raman, ATR-IR, SEM, electrical and thermal properties
Partnership
Sorbonne University, IETR Rennes
