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PV DEMAND EVOLUTION
• Mid-term forecasts up to 2013
CONCLUSIONS
• Wafer-based technology:
o Requirements for higher efficiencies
o Cell structure evolution
- Emitter profile optimization
- Passivation
- Passivated cells development Roadmap
- Identified Players
o Manufacturing Technology Cluster Roadmap
• Thin-Film technologies - Cell structure
o Equipment providers and proprietary technology based manufacturers
o Identified player
PV TECHNOLOGY ROADMAP: STRATEGIES TO REDUCE PRODUCTION COST
• Moore's Law?
• Price reduction - impact of raw material
• Cost per Watt ratio
• Major levers
• Cost breakdown
DEVELOPMENT TRENDS ON C-SI CELLS
• Introduction
o Standard cell
o Passivated emitter cell
o Metal wrap through cell
o Emitter Wrap through cell
o Heterojunction with intrinsic thin layer cell
o Interdigitated back-junction cell
• Advanced Cell Concept Production
o Examples with Solland, Bosh or Stiebel
• New Manufacturing Steps
o Metallization
o Dopant Diffusion
o Silicon Structuring
• New Manufacturing Technologies
o Thin wafers
o NI L
o Inkjet
DEVELOPMENT TRENDS IN THIN FILM SOLAR CELLS
• Breakdown by technology
o Amorphous Silicon (a-Si)
o Tandem (a-Si/?-Si)
o Cadmium-telluride (CdTe)
o Copper indium gallium (di)selenide (CIGS )
• New manufacturing technologies
o Transparent Interlayer
o Electrodes structuring
- Example of Nano-imprint lithography
SPECIFIC PROCESSES/POTENTIAL GAME CHANGERS
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