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Reference : UMR8516-FRAMIA-001
Workplace : VILLENEUVE D ASCQ
Date of publication : Wednesday, November 06, 2019
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 7 January 2020
Proportion of work : Full time
Remuneration : between 2124 et 2449 euros free of tax
Desired level of education : PhD
Experience required : Indifferent
The candidate (M/F) will identify the molecular réarrangements of the solvent occurring around the photosensitizer using time-resolved fluorescence techniques (TCSPC and Upconversion) and using molecular dynamic simulations.
He/She will determine the time-resolved spectroscopic and electric properties of operating solar cells.
We are studying a new class of tuneable media/solvents for electrolytes combined with three state-of-the-art sensitizers in DSSCs. It consists in 2 steps
-(i) the study of the molecular rearrangements of solvent around the sensitizer after the photoexcitation
-(ii) the simultaneous monitoring of time-resolved spectroscopic and electrical characteristics of DSSCs.
We work at two interfaces: the interface of experimental with theoretical for the solvent's characteristics investigations and the interface of ultrafast photophysical processes of the sensitizers (electron injection, regeneration) with transient electrical signals of DSSCs.
the candidate (M/F) should have performed his/her PhD in Physical Chemistry. As the work is centered on time-resolved spectroscopic measurements, he/she should have skills in:
- nanosecond UV-vis transient absorption;
- Time-correlated single photon counting;
- femtosecond UV-vis transient absorption
- fluorescence upconversion.
- Skills in quantum chemistry calculations and molecular dynamic simulations are necessarily required.
-Knowledge in programming with Matlab and Python for data treatment would be a bonus as well as to be familiar with Origin and Igor softwares.
This post-doc will benefit from the high degree of competence of the Laboratoire de Spectrochimie Infrarouge Raman (LASIR, university of Lille) in ultrafast time-resolved spectroscopy and will call upon the high expertise of LRCS (Amiens) in the realm of DSSCs conception and characterization. Indeed, LASIR is one of the largest time-resolved spectroscopy platforms in Europe (Raman, infrared, UV-Vis, fluorescence) and LRCS is a photovoltaic unit, recognized at the European level. Starting from our previous observations and generating new types of results, UPPiL will pave the way to new sensitizers and new optimized solvents development allowing the conception of high efficiency and long-term stability DSSCs.
The candidate (M/F) will work with the assistant Professor François-Alexandre MIANNAY in the team "Photodynamique, confinement, solvatation "
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