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Portail > Offres > Offre UPR8001-ISASEG-001 - (H/F) Chercheur-e, Etude et réalisation de composants de type OLED et MOLED (Microcavity OLED) bleues intégrables dans un lab-on disc pour mesures environnementales

Researcher, Study and fabrication of blue OLED and microcavity-OLED (MOLED) devices for lab-on-disc for environmental sensing

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Français - Anglais

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General information

Reference : UPR8001-ISASEG-001
Workplace : TOULOUSE
Date of publication : Thursday, September 10, 2020
Type of Contract : FTC Scientist
Contract Period : 18 months
Expected date of employment : 2 November 2020
Proportion of work : Full time
Remuneration : Gross salary between 2648 and 3054€
Desired level of education : 5-year university degree
Experience required : 1 to 4 years

Missions

Realize Lab-on-disc system allowing real-time, on-site multiple analysis of complex matrices of pollutants in surface water.
Aquatic ecosystem monitoring is an important environmental concern that targets large families of pollutants generated by human activities. Monitoring surface water is usually performed in laboratories using conventional techniques for the detection of a wide range of molecules. The reliability of the final results is related to the steps from sampling to the analysis. Packaging, preservation, storage and transport are subject to strict rules to be observed in order to limit any sample changes. This process is proved to be laborious, time-consuming and leads to a lack of real-time results used to promote a proactive response to water contamination.

Activities

Development of a micro-fluidic platform integrating different types of sensors and biosensors based on the physiological response of micro-algae. This position concerns the development of light sources (organic light emitting diodes) necessary for the optical excitation of micro-algae.
The aim of this project, supported by ANR funding, is to develop a micro-fluidic LOD (Lab-on-disc) platform integrating sensors and biosensors based on the physiological micro-algae response (Figure 1). The optical sensor of this LOD, based on microalgae fluorescence, will contain excitation sources (organic light emitting diodes (OLED)), photodiodes and optical filters. The specificities of the OLEDs integrated into the optical sensor require the design and fabrication of advanced devices with specific properties i.e. wavelength (UV-Vis), spectral width, emission spectra and luminescence efficiency. This implies the use of new devices geometries both in terms of organic semiconductors (emissive and transport layers optimization) and MOLED structure (micro-cavity OLED devices with dielectric mirrors and transparent electrodes). The objectives of the post-doctorate position will therefore consist of designing, developing and characterizing these innovative components until their final integration into the Lab-on-disc.

Skills

This multidisciplinary research project will require huge work on the development and characterization of organic devices OLED and MOLED. It will be based on solid knowledge of organic electronics and optoelectronic characterization of devices. The candidate has to master deposition techniques such as vacuum evaporation, spin-coating, and characterization techniques of optoelectronic devices (I-V, L-V, …). Optical skills, and knowledge of XRR characterization techniques would be a plus.
To apply, candidates must send an updated CV, a list of publications, a cover letter and the name of at least two references.

Work Context

LAAS-CNRS, Toulouse, MPN and MICA group.
This research will be carried out within the LAAS-CNRS Technology and Characterization Platform.

Additional Information

2 months delay between application and effective starting date

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