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Laboratoire de l'Intégration du Matériau au Système
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  PhD Position (ANR Podcast - PRIMS Team) (This job is now filled)  


Integrated organic MEMS devices for biomimetic sensing applications

The field of microsystems is clearly dominated by silicon material and associated micromachining techniques. To solve problems related to the use of silicon such as fabrication cost and the proper control of materials properties, an innovative solution consists in the use of organic materials. The objective of the PhD project is to introduce new schemes for the design of integrated Micro ElectroMechanical Systems (MEMS), operating in static mode, thanks to an all-organic approach. The emerging organic MEMS field knows a fast-growing impact thanks to a high added value by the use of organic materials. Breakdown technologies are thus characterizing the project where innovation, from the materials point of view as much as from the technological view, is welcomed.
To reach the objectives of the project, two major aspects will be developed: after the design of the device, the first step consists in the elaboration of low-cost, simple methods for the multistacking micropatterning of organic materials. The objective is to achieve the fabrication of a free-standing, all-organic device with an integrated electro-mechanical transduction scheme. For this, the final structure will be composed of a mechanical support, an organic transducer inspired from Organic Field Effect Transistors (OFET), a passivation layer for the use of the structures in liquid media and a biomimetic sensitive coating. In a second step, the application of such MEMS devices will be evaluated. Indeed, such organic devices are good candidates for chemical sensing applications dedicated to environmental analysis since they combine sensitivity by the use of organic materials and stability in time by the use of the static mode. The biomimetic molecular recognition will be emphasized by the use of Molecularly Imprinted Polymers (in collaboration with Pr. K. Haupt, UTC, France) allowing for the selective and sensitive detection of analytes of low molecular weight due to their tri-dimensional internal structure. In the PhD project, the electromechanical transduction efficiency will be evaluated first, before realizing chemical sensing assays in liquid media. The objective is to demonstrate the potential of organic MEMS as a new generation of chemical sensors with improved performances, when compared to other state-of-the-art devices.
As this PhD project is characterized by innovation and pluridisciplinarity as keywords, the candidate will have to be able to propose initiatives rapidly and will have to show a motivation for academic research. Also, the candidate should present a background on organic materials, printing methods and chemical sensing applications using MEMS devices.
IMS (Laboratoire de l’Intégration du Matériau au Systèmes, UMR CNRS 5218), Université Bordeaux 1
Group Organic,PRIMS Team
Group Organic, Elorga Team
- Dr. Cédric Ayéla (CNRS Young research scientist), cedric.ayela@ims-bordeaux.fr
- Dr. Lionel Hirsch (CNRS Senior research scientist), lionel.hirsch@ims-bordeaux.fr
STARTING DATE: October 2012


Fait par Michel Alexeline. Supporté par le service informatique de l'IMS.Propriété d'IMS. Tous droits réservés