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Portail > Offres > Offre UMR9006-NATSCH-001 - Chercheur.e CDD (H/F) - Développement de nouveaux précurseurs efficaces pour les procédés ALD

Post-doctoral researcher (f/m) - Development of new efficient precursors for ALD processes

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 4 février 2022

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General information

Reference : UMR9006-NATSCH-001
Workplace : PALAISEAU
Date of publication : Friday, January 14, 2022
Type of Contract : FTC Scientist
Contract Period : 6 months
Expected date of employment : 1 March 2022
Proportion of work : Full time
Remuneration : CNRS
Desired level of education : PhD
Experience required : 1 to 4 years

Missions

-Development of innovative optoelectronic devices, in particular for photovoltaic applications, imposes increasing constraints regarding the material employed, both in terms of targeted properties and synthesis conditions. In this context, ALD (Atomic Layer Deposition) technique has numerous advantages (thickness and composition control at nanometric level, conformality) since it involves auto-limiting surface reactions. ALD is particularly efficient for the synthesis of functional materials and widely used in various areas such as energy, microelectronics, and continues to find new applications as sensors, in biomedicine …In ALD, the molecular precursor drives the reactivity and in fine the material properties: it brings the target element to the material, imposes synthesis conditions, and allows to tune the film properties (growing rate, doping, structure, morphology, optoelectronic properties…). It can also be a source of contamination for deposited films, which remains a curb to prepare nitride and sulfide material. Various ligand families were already employed to prepare ALD precursors, but many challenges remain (harsh conditions, contamination...). Organometallic synthesis offers almost unlimited possibilities in terms of ligand design.
For this mission, the potential of a new family of precursors will be explored, by the synthesis of heteroatom-enriched ligands and their Ga and Ni complexes, their characterization, the evaluation of their reactivity and the use of most promising candidates in ALD thin film deposition.

Activities

The Postdoctoral researcher will be expected to:
- conduct the synthesis and characterization of ALD precursors and evaluate their reactivity in solutions,
- perform their thermal characterizations
- conduct material ALD processes and the characterization of the film growth and properties.

Skills

- Autonomous, motivated and hard worker researcher
- PhD in Chemistry and/or Physical Chemistry
- Skills in synthesis, organometallic chemistry under inert atmosphere (Schlenk techniques) and experimental methods
- Experience on thermal studies, surface chemistry or vacuum deposition technique is a plus. Knowledge of solid-state physics and modelisation is a plus.

Work Context

This mission is part of the ANR Young Scientist project HANAMI (Disruptive metHod for ALD precursor design for New Advanced functional MaterIals).
The position is located in Palaiseau in Paris region. Synthetic work will be performed at LCM, while ALD and film characterizations will be conducted in IPVF.
IPVF - Institut Photovoltaïque d'Île-de-France, is a global Research, Innovation and Education center, which mission is to accelerate energy transition through science & technology. Gathering industrial PV leaders (EDF, Total, Air Liquide, Horiba and Riber) and world-renowned academic research teams (CNRS, Ecole Polytechnique), multi-disciplinary and international IPVF teams conduct research for clean energy technologies.

Constraints and risks

The duration of this contract is limited (6 months), but can open new possibilities.

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