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Synthèse et propriétés de monocristaux, de poudres, films minces ou hétérostructures

Etudes à l'interface avec la matière biologique

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SEMINAIRE LMGP - 31.08.2021 - Dr. Thomas FIX

Publié le 22 juillet 2021
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Colloque / Séminaire 31 août 2021
Grenoble INP - Phelma
3 parvis Louis Néel - 38000 Grenoble
Accès : TRAM B arrêt Cité internationale
14 H - Salle des Séminaires
2ème étage - LMGP
Thomas FIX

Thomas FIX


“New concepts and emergent materials for optoelectronics and photovoltaics”



Dr. Thomas FIX
CNRS Researcher
ICube laboratory (CNRS-University of Strasbourg)


Abstract

This seminar will give an overview of three different topics currently investigated in the Materials for electronic and photovoltaic devices team (MaCEPV) of ICube laboratory.

  1. Downshifting and downconversion for solar cells

Downshifting and downconversion are advanced concepts for solar cells enabling a better match between the solar cells and the solar spectrum. It consists in the conversion of one ultraviolet photon into one (downshifting) or two (downconversion) photons in the visible or near-infrared.
[a] Photon Converters for Photovoltaics, A. Nonat, T. Fix, in Advanced micro- and nanomaterials for photovoltaics, Elsevier 2019, ISBN: 978-0-12-814501-2

  1. Oxide solar cells and ferroelectric solar cells

Our team has been developing emergent oxide materials as absorbers for solar cells. In particular, we focused in ferroelectric oxide solar cells where no pn junction is necessary and the separation of electron hole pairs is enables by the ferroelectric polarization of the absorber.
[b] R. Hoye*, J. Hidalgo, R. Jagt, J.-P. Correa-Baena, T. Fix*, J. MacManus-Driscoll*, Advanced Energy Materials, 2100499, pages 1-59 (2021)

  1. Silicon clathrate films for optoelectronic applications

Silicon clathrates are allotropes of silicon, forming cages, that present the advantage of a direct and adjustable bandgap. Our team is one of the three actors in the world producing such films.
[c] T. Fix, R. Vollondat, A. Ameur, S. Roques, J.-L. Rehspringer, C. Chevalier, D. Muller, and A. Slaoui, J. Phys. Chem. C 124, 14972–14977 (2020)


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mise à jour le 26 juillet 2021

  • Tutelle CNRS
  • Tutelle Grenoble INP
Université Grenoble Alpes