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e- age December 12-13/2013. Institut National de Recherche et d’Analyse Physicochimique. PRESENTATION OF THE NATIONAL Institute for Research and physico- chemical analysis INRAP Pr. NaJOUA Kamoun Turki GENERAL diRECTOR. PrEsentation OF INRAP.
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e-ageDecember 12-13/2013 Institut National de Recherche et d’Analyse Physicochimique PRESENTATION OF THE NATIONAL Institute for Research and physico-chemicalanalysis INRAP Pr. NaJOUAKamounTurki GENERAL diRECTOR
PrEsentation OF INRAP Institut National de Recherche et d’Analyse Physicochimique Pr NajouaKamounTurki General Director of INRAP • INRAP: was created by the law n°95-4 of january 1995.its specify in his section 2 the mission of the institute: • Develop and organize analytical tools in the country. • Provide to company, technical and scientific institution the means for performance, research, development and training in the field of physico-chemical analysis. e-ageDecember 12-13/2013
INRAP : was designed to be • A documentation center in terms of physico-chemical analysis. • A technical service center: maintain and repair scientific equipement used by INRAP,assistance to other agencies, implementation of specific arrangements. • An institute of research and development • A training center Researche Analysis INRAP constitutive Documentation Maintenance Training e-ageDecember 12-13/2013
Human ,Materieland logistical device INRAP has 170 public function workers Total area of 3Hawich 6000 m²of covered area Scientific equipment with an estimated value of 15 MD
Analytical equipments of INRAP e-ageDecember 12-13/2013 Separation technique Inorganique elemental analysis Atomic absorption spectrometry (AAS) Liquid chromatography (HPLC) Gaz chromatography (GC) Atomic emission spectrometry (ICP-OES) Mass spectrometry LC-MS-MS GC-HRMS GC-MS
Analytical equipments of INRAP e-ageDecember 12-13/2013 Infrared Fourrier transform X fluoressence UV-Visible spectroscopy environnemental scaning electron microscopy Thermal analysis ATD ATG DSC
Analyticalequipments of INRAP X ray diffraction Organic elemental analysis CHNOS Ionic chromatography Water analysisKarl Fisher, Spectrophotometry (Na, K, Ca), DCO, DBO5, Turbidity…)
e-ageDecember 12-13/2013 Analyticalequipments of INRAP GC-MS-MS NMR 500 MHz LC-MS-MS
P1 Watch Normative LMTA: Laboratory of Analytical and technicalmethod Researchproject Active contribution to the adoption of international standards and adapt to national needs P2 Métrology - Establishing a connection string pH measurement and a primary reference bench pH measurement. - Certification of buffer solution P3 Tools and methods of analysis e-ageDecember 12-13/2013
Ministère de l’Enseignement Supérieur, et de la recherche scientifique Institut National de Recherche et d’Analyse Physico-chimique USEFUL MATERIALS LABORATORY • 2 Research programs • Nano-structuredMaterials • Hydrides and metalcarbidesnanomaterials • Oxidenanomaterials: A patent is already granted • 2) Valuation of minerals and rare earths • -Characterization of minerals and rare earths • - Economicanalysis and extraction of rare earths e-ageDecember 12-13/2013
Nano-structured Materials Metal hydride • Application • accumulator Ni-MH • Fuel cell Metal carbide Application : High performance cutting tools e-ageDecember 12-13/2013
Laboratory of natural substances Code: LR10INRAP02 Year of creation: 2010 http://www.inrap.rnrt.tn e-ageDecember 12-13/2013 • Program n°1: Bioactive substances of natural origin • Project 1 : Physico-chemical screening of naturally occurring substances • Project 2 : Demonstration of biological and pharmaceutical activities • Program n°2: The bio-polymers and formulation • Project 1 : The eco-compatible bio-polymers • Project 2 : Formulation
Synthesis and characterzation of lowcostnanomaterialsused in photovoltaicdevices Pr N. KamounTurki Director of Physics Condensed Matter e-ageDecember 12-13/2013
Introduction: Renewableenergies Geothermal Photovoltaic solar energy The wind The waterfalls Plant growth e-ageDecember 12-13/2013
Water bath Thermometer Substrat Deposition solution Agitator magnetic heating Atom-by-atom Aglomeration clusters Nature of substrat + Growth mode Combinaison mécanisms Experimental Conditions CBD: In2S3, ZnS, PbS, SnS, Cu2S : 5 Cot. Th, 2 CMCU: 03-09; AUF 2011-2012 Reagents and preparation of solution e-ageDecember 12-13/2013
Effect of aluminum doping on the physical properties of thin films In2S3 e-ageDecember 12-13/2013
Effect of Al doping (Optical properties) Transmission spectra for different concentration ratios y = ([Al] /[In])sol 60 T(%) 75, maximal transmission for y = 4% In2S3:Al/verre In2S3:Al/SnO2 It is a good value for the use of β-In2-xAlxS3 as optical windows in photovoltaic devices e-ageDecember 12-13/2013 14
Effect of tin doping on the physical properties of thin films In2S3 e-ageDecember 12-13/2013
Influenceof heat treatment on structural, optical and electrical properties of In2S3 chemically synthesized e-ageDecember 12-13/2013
Effect of Fluorine doping on the optical and electrical properties of In2O3 elaborated for [In] = 0.04M and Ts = 500°CTuniso-Algerian Project 2012-2013 Optical transmission and reflection • Fluorine doped indium oxidethin films have a highoptical transmittance (is in order of 80%) • Eg = 3.17 eV (y=0) • Eg = 3.24 eV (F) • OPTICAL WINDOW : PV devices Electrical properties Thermally stimulated current (TSC) of In2O3 :F (2%) • TSC isalmostconstant • No trapsin the material e-ageDecember 12-13/2013
Elaboration process The Spin Coating technique e-ageDecember 12-13/2013
opticalproperties PhD: Wafa Naffouti • 86 < T < 89 % in Transparency range. • Eg :Transition around 2,3 eV T and R spectra of P3HT /glass for different solution concentrations • Oscillations appear: Effect of interference. e-ageDecember 12-13/2013 T and R spectra of P3HT / SnO2:F/glass for different solution concentrations
EEFECT OF Ga INCORPORATION ON PHYSICAL PROPERTIES OF CuInS2 THIN FILMS SUNTHESIZED BY CHEMICAL SPRAY PYROLYSISPhDMejdaAjili e-ageDecember 12-13/2013
Chemical Spray pyrolysis • a nozzle fixed on a one-dimentional moving support allowing it to pulverize the whole isothermal zone containing the cleaned substrates placed on to heated system. • The nitrogen was used as a carrier gas that serves to the pulverization of fine droplets of aqueous solution. e-ageDecember 12-13/2013
Fig. Variation of (αhν)2 with photon energy (hν) of sprayed CIGSthin films at different [Ga]. For y varying from 10 to 20 at.%, Eg is in the interval [1.47-1.52] eV which is in suitable range for sunlight absorption. e-ageDecember 12-13/2013
EFFEcT of SUBSTRATE TEMPERTURETs on the Structure of Cu2ZnSnS4 : CZTS Spray Z. Seboui, Y. Cuminal and N. Kamoun J. Renewable and SustainableEnergy, 5 (2013). The spectra indicate a kesterite structure of CZTS. All films are found to contain a very small peack (*) corresponding to CuxS secondary phase The best cristallinity : Ts = 280 °C The band gap energy of CZTS grown at 280 °C is in the order of 1.53 eV.
Structural Analysis of SnS:In e-ageDecember 12-13/2013 transparency region weak interference fringes uniform thickness as well as smooth surfaces [1] • zinc blende structure Increase of cristallite size Eg SnS:In [1] Eg undoped SnS [2] [1]Meriem Reghima, Anis Akkari, Michel Castagné and NajouaKamoun-Turki, journal of the Renewable and Sustainable energy, 4, 011602 (2012) [2] A. Akkari, C. Guasch, N. Kamoun-Turki; Journal of Alloys and Compounds 490 (2010) 180–183
e-ageDecember 12-13/2013 The low cost solar cells’ structure Conclusion Substrate SnO2:F/ZnO:Sn/In2S3/CuInS2:Ga/Au SnO2 :F/ZnO:Sn/In2S3/Cu2ZnSnS4/Au SnO2:F/ZnO:Sn/In2S3/SnS:Cu/Au SnO2 :F/ZnO:Sn/In2S3/SnS:In/Au TZO/In2S3/CIGS SnO2:F/In2O3/In2S3/SnS:Cu/Au SnO2 :F/In2O3/In2S3/SnS:In/Au SnO2:F/In2O3:F/In2S3/CuIn(1-x)GaxS2/Au SnO2 :F/In2O3:F/In2S3/Cu2ZnSnS4/Au Absorber Contact Buffer layer opticalwindow Ohmic contact SnO2:F // Opt.W/ B.L / Absorber//Ohmic.C
Thankyou for your attention e-ageDecember 12-13/2013 29