U namur pmr larn

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Information about U namur pmr larn

Published on November 21, 2013

Author: ReseauLIEU

Source: slideshare.net


Lab'InSight Surface Treatments & Solar Energy - Focus on the Photovoltaic Electricity Sector - 21.11.2013

PMR-LARN – Department of Physics University of Namur Watching the Lab’s video Prof. Guy Terwagne Director Lab’Insight « event » Brussels, 21st November 2013 Brussels – 21st November 2013 1

Applied research projects Research axis Research domains Medical Physics Material sciences Ion/Matter interactions Life Science Surface and interface Nuclear Spectroscopy Astrophysics Tools Clients Plasma Assisted deposition (RF,AC, DC) Industry Particles accelerator (2 MV) Ion Implantor (150 kV) Particles detectors -rays or X-rays detectors Simulations Brussels – 21st November 2013 Hospital University Research center Students 2

Fields of expertise and industrial targets Ion Beam analysis techniques • Quantitative analysis of elements in nano-materials • Nuclear techniques (NRA, PIGE, PIXE, RBS, ERDA,…) • non-destructive • sensitivity (ppm) • Depth profiling of elements (RNRA) • surface and interface Ion Implantation • Modification of materials properties (IBMM) • All species from Mendeleiev periodic table • Implantation energies between 10keV6 MeV Plasma assisted deposition techniques • DC, RF,… Brussels – 21st November 2013 3

Fields of expertise and industrial targets Development of 3rd generation of solar cells • synthetized by ion implantation (Si and Ge) and annealing • nc-Si and nc-Ge • High efficiency (>30 %) • based on Multiple Exiton Generation (MEG) • Thin solar cells (30 µm) • Flexible DLC coatings for automotive industry • Plasma reactive coatings • Hard coatings Brussels – 21st November 2013 4

ALATAÏS Ion Beam analysis facility for research, teaching an industry Brussels – 21st November 2013 5

Tools available at LARN Tandetron accelerator (2 MV) equipped • Duoplasmotron source (1H, 2D, 3He, 4He) • SNICs source (all negative ions) • acceleration of near all species from Mendeleev periodic Table 5 equipped beam lines • • • • • All purpose (RBS, ERDA, NRA, PIXE/PIGE,…) Cells irradiation Ion Implantation UHV and low background detection system Particles detection chamber Brussels – 21st November 2013 6

Tools available at LARN Ion Implanter • Low energy: 5-35keV • Ion implanter SAMES: 20-150 kV Detectors • • • • High efficiency (132%) HPGe detector PIPS particles detectors High resolution LEGe detector Plastic scintillators Deposition chambers and characterization • Plasma deposition chambers • Dektak and Pin on disc system • Oven up to 1700°C for 3" wafers Brussels – 21st November 2013 7

Services provided to companies Depth profiling of ligth elements at interface → Na profiling at the interface (RNRA, RBS,…) → SnO2(F)/Glass → RNRA : Na depth profiling → RBS : localize the interface RBS Ep = 1.0 MeV RNRA 23Na(p,a)20Ne ER = 1010.5 keV E = 1634 keV G.Terwagne & G.Deconninck, NIM B64(1992)153-155 Brussels – 21st November 2013 8

Services provided to companies 3G Photovoltaic cells: Si/Ge quantum dots → Si or Ge nanocrystals embedded in a silicon-based matrix (SiO2, Si3N4…) : “Quantum dots” (QD) → Multiple Exciton Generation (MEG) produced by one incident photon → Theoretical efficiency up to 60 % • • • • Silicon-based cells : abundant, non toxic, stable Thin films as active layer to reduce Si consumption High deposition rates Low-cost substrate (glass, metal, polymer,…) G.Terwagne & G.Deconninck, NIM B64(1992)153-155 Brussels – 21st November 2013 9

CONTACTS LABO University of Namur/Physics Department Laboratoire d'Analyses par Réactions Nucléaires www.unamur.be Prof. Guy Terwagne Director guy.terwagne@unamur.be Address : PMR-LARN rue de Bruxelles, 61 5000 Namur Phone : +32 (0)81 725478 Fax : +32 (0)81 725474 Brussels – 21st November 2013 10

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