Your daily dose of photovoltaic technology developments and solar news

• Popular Technical Papers

  • Overview of automation in the photovoltaic industry
  • Understanding moisture ingress and packaging requirements for photovoltaic modules
  • Evaluation of encapsulant materials for PV applications
  • Inline processing of crystalline silicon solar cells: the holy grail for large-scale manufacturing?
  • PV sector outlook: an analyst’s perspective

• Featured Technical Papers

  • Transparent conducting oxide deposition techniques for thin-film photovoltaics
  • Comprehensive and advanced quality assurance measures for optimal yields from PV power plants
  • Surface passivation of silicon solar cells using industrially relevant Al2O3 deposition techniques
  • Influence of a-Si:H deposition temperature on thermal stability of a-Si:H/SiNx:H stacks
  • Integrated loops: a prerequisite for sustainable and environmentally-friendly polysilicon production

A variety of thin-film technologies are now entering a volume manufacturing phase. The benchmark has already been set by First Solar, Inc. in its conversion efficiencies, volume ramp and lowest cost-per-watt in the PV industry. Large-area thin-film deposition is a critical process step, dictating cell performance, reliability and manufacturing throughput. However, adoption of thin-film solar cells has been limited in the past by relatively complex and costly manufacturing processes. The advent of rotating cylindrical magnetrons for sputtering is demonstrating the potential to significantly reduce thin-film manufacturing costs. In this paper we discuss the basics of the technology and the developments taking place with some of the leading suppliers of sputtering target technology for the PV industry.

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