Processing and Device Oriented Approach to CIGS Module Reliability

Kannan Ramanathan, Lorelle Mansfield, Christopher Deline, Timothy Silverman, Rebekah Garris

Research output: NRELPoster

Abstract

Abstract: A device level understanding of thin film module reliability has been lacking. We propose that device performance and stability issues are strongly coupled and simultaneous attention to both is necessary. Commonly discussed technical issues such as light soaking, metastability, reverse bias breakdown and junction breakdown can be understood by comparing the behaviors of cells made inAbstract: A device level understanding of thin film module reliability has been lacking. We propose that device performance and stability issues are strongly coupled and simultaneous attention to both is necessary. Commonly discussed technical issues such as light soaking, metastability, reverse bias breakdown and junction breakdown can be understood by comparing the behaviors of cells made in the laboratory and industry. It will then be possible to attribute the observed effects in terms of processing and cell design. Process connection to stability studies can help identify root causes and a path for mitigating the degradation.
Original languageAmerican English
StatePublished - 2015

Publication series

NamePresented at the 2015 NREL PV Photovoltaic Module Reliability Workshop, 24-27 February 2015, Golden, Colorado

NREL Publication Number

  • NREL/PO-5K00-63826

Keywords

  • device physics
  • photovoltaics (PV)
  • processing
  • reliability
  • thin films

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