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EU Centre of Excellence in PV Materials and Devices PV-EST FW project ENK6-CT-2002-80664

EU Centre of Excellence in PV Materials and Devices PV-EST FW project ENK6-CT-2002-80664. Enn Mellikov. Motivation of project. Project defined its objectives as follows : capacity building of the laboratory via increasing its international attraction

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EU Centre of Excellence in PV Materials and Devices PV-EST FW project ENK6-CT-2002-80664

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  1. EU Centre of Excellence in PV Materials and DevicesPV-ESTFW project ENK6-CT-2002-80664 Enn Mellikov

  2. Motivation of project Project defined its objectives as follows: • capacity building of the laboratory via increasing its international attraction • strengthening of position of laboratory as the leading centre of fundamental and applied research in PV materials • realization of technology development potential of Tallinn team.

  3. Tools to reach goals of projects • Exchange of scientists • R/D activities in laboratory • Creating of up-to-date infrastructure for R/D activities

  4. WHO WE ARE ! • 2002 - European Union Centre of Excellence in PV Materials and Devices • 2002 - National Centre of Excellence in Materials Science and Chemistry • 2007 – Partner in virtual Nordic Centre of Excellence in PV • Three timesEstonian Scientific Award in Sciences for Research in the Field of Development of New PV Materials and Solar Cells (1985, 1998, 2005) • Research staff 39 • Junior researchers 18 • PhD students 15 • PhD defended 2004-2006 7

  5. WHO WE ARE, research staff, intellectual capacity

  6. WHO WE ARE, exchange of scientists, 2003-2007 • Outward visits 25 • Inward visits 16 • International Summer School in PV Materials and Devices 2006, 52 participants, 11 countries

  7. WHO WE ARE, equipment • 90% of scientific and technological equipment newer than 5 years • Unique equipment • high resolution scanning electron microscope ZeissUltra55 with EDS, WDX and EBIC systems, • Raman spectrometer HORIBA JOBIN YVON S.A.S. • electron gun evaporation system, Vacuumservice (Finland) • magnetron sputtering system,AJA (USA) • plasma treatment system, (Germany) • impedance spectrometers, (USA, Germany) • ..............

  8. WHO WE ARE, LABORATORY

  9. WHO WE ARE, equipment • Unique equipment, planned investments during years 2007-2008 1.6 million EURO • Inert gas cabinet with built-in vacuum evaporator planned 2007 • XPS planned 2007 • XRD system for thin film planned 2007 • Profilometer planned 2007-2008 • ICP-MS with laser ablation system planned 2007-2008 • SEM sample preparation system planned 2007

  10. WHO WE ARE, EUROPE ! • 2003 - 2006FW projectThe European Polymer Solar Battery (ENK5-CT-2002-00687) – EURO-PSB • 2003 - 2006FWprojectMaterials and Technologies for Photovoltaic Applications from Estonia (ENK6-CT-2002-80664 )– PV-EST • 2002 - 2006FWprojectCo-ordinationof NAS and European Union RTD Programmes on Photovoltaic Solar Energy(NNE5-2002-00046) • 2004-2007 FWproject 502775 (SES6) EuropeanCollaboration for identification of PV research and market opportunities, socio-economic studies, performance assessment and dissemination of PV thermal technology “PV-Catapult” • 2004-2007INTAS project Science and Technology of Copper-indium Chalcogenites and Organic Conductive Polymers Based PV Solar Cells • 2004-2006INTAS project Optical and structural analysis of single crystals and thin films of CuIn3Se5, CuGa3Se5, CuIn4Se6, CuIn5Se8, CuGa5Se8 for photovoltaic applications • 2007-2009 FW 6 project“Performance”

  11. WHO WE ARE, RESEARCH,thin film PV (CIS, CdTe, hybrid) • Fundamental studies related to different PV materials • Monograin powders with predicted microscopic structure and solar cells in monograin layer design • Thin film and thin film solar cells by different chemical methods • Composite materials and solar cells from ECP, CIS and A2B6 type compound semiconductor materials 2004-2006 scientific papers published ICI 86 scientific papers accepted ICI 26 Reports, international conferences 55 conferences organised 6 PhD defences 7 Patents 7 Patent applications 23

  12. Photoluminescence studies PL spectra of stoichiometric CuInTe2 at 11K PL spectrum of stoichiometric CuInSe2 at 11K

  13. Wet chemical deposition of thin films and structured layers for solar cells • Spray deposition • Sol gel • CBD • SILAR • Advantages: • Low-cost • Non-vacuum • Un-limited areas • Disadvantages: • Process chemistry complicated • Contamination from precursors, atmosphere • Three-dimensional growth

  14. CuInS2 CdS ZnO ITO Klaas 1 m Päikesekiirgus Solar cell by spray technique Solar cell structures prepared by on-line deposition in air: Efficiencies : ~3 % Preparation time: < 1h Cost : very low

  15. Monograin powder of CuInSe2 The advantages of the developed powder materials are: 1. single-crystalline structure of every grain; 2. narrow granulometric composition; 3. uniform molecularity, stoichiometry and distribution of doping impurities in material

  16. Monograin layer

  17. Advantages of MGL

  18. Schematic drawing and photograph ofCu/CIS/PEDOT-PSS/Cr/Au structure

  19. PV panels testing Center • The first test facility (32 m2) of PV panels in the Baltic states is installed on the roof of one building of TTU, EU FW6 project “Performance”.

  20. PV panels testing Center II, www.pv.ttu.ee

  21. We have a dream: Estonia in the future

  22. Thank you for attention

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