Development of Cu(In,Ga)Se2 Test Coupons for Potential Induced Degradation Studies

Miguel Contreras, Peter Hacke, Ingrid Repins

Research output: Contribution to conferencePaper

7 Scopus Citations


We report on the design, fabrication and accelerated testing of fully encapsulated small area coupons (approximately 7.5cm x 7.5 cm) for the purpose of researching potential induced degradation in Cu(In, Ga)Se2 based PV modules. The fabrication of these coupons enables the study of the solar cells and the materials used in PV module manufacturing such as top and bottom glass covers of different composition (soda-lime glass, high temperature glass, alkaline-free glass, etc), plastic-based top covers, ethylene vinyl acetate and edge seal encapsulation materials. The coupons can also be used to emulate framed and frameless modules that utilize either monolithically interconnected modules or singular cell type of modules. The design of the coupons, their fabrication, the materials used and their testing for 1000 hours under 85 degrees C and 85% RH conditions are presented.
Original languageAmerican English
Number of pages6
StatePublished - 2016
Event2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) - Portland, Oregon
Duration: 5 Jun 201610 Jun 2016


Conference2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC)
CityPortland, Oregon

NREL Publication Number

  • NREL/CP-5K00-65785


  • degradation
  • encapsulation
  • fabrication
  • glass
  • nickel
  • seals
  • testing


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