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The impact of environmental conditions on CIGS device stability must be understood and minimized in order to gain widespread acceptance among users. The stability of CIGS-based PV coatings, cells and modules has been evaluated at Global Solar Energy (GSE) by accelerated and real-time testing. Several failure modes have been identified and addressed. New packaging designs and materials have extended...
Materials utilized in the back contact and absorber layer for CIGS-based cells are relatively expensive. A breakdown of relative material costs is presented and approaches to minimizing material costs are discussed. Investigations of the effects of reduced material amounts on production solar cell performance are detailed. Material utilization efficiencies of key components in the CIGS process are...
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