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Modelling and Optimization of CIGS Modules
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Solid State Electronics.
2007 (English)Conference paper, Published paper (Refereed)
Abstract [en]

A  computer  model  for  Cu(In,Ga)Se2 (CIGS)  based,  monolithic  solar  cell  modules  was  derived  and calibrated using measurement data from an actual mini-module with an aperture area of 80 cm2. Simulations using this model accurately reproduce the measurement results on mini-modules with different cell widths to within ±3% of the parameters Voc, Isc, fill-factor and efficiency. The optical and electrical properties of the transparent front-contact were  obtained  from  quantum  efficiency  measurements  on  a  series  of  solar  cells  with  ZnO:Al  layers  of  different thicknesses  and  incorporated  into  the  model.  Finally,  computer  simulations  were  used  to  optimize  CIGS  thin-film modules  for  the  application  in  low-concentrating  systems.  Aperture  area  efficiencies  exceeding  14%  at  up  to  10x concentration  are  predicted  by  the  simulations  for  CIGS  thin-film  modules  with  cell  widths  of  w = 2 mm.  These simulation results are supported by preliminary measurements.

Place, publisher, year, edition, pages
München: WIP-Renewable Energies , 2007. 1922-1925 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:uu:diva-12390ISBN: 9783936338225 (print)OAI: oai:DiVA.org:uu-12390DiVA: diva2:40159
Conference
22nd EU PVSEC, 22nd European Photovoltaic Solar Energy Conference, in Milan, Italy, 3-7 September 2007
Available from: 2009-06-18 Created: 2009-06-15 Last updated: 2016-07-27Bibliographically approved

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Zimmermann, UweEdoff, Marika

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