Thin Film Photovoltaic Solar Pilot Line Thin Film Photovoltaic Solar Pilot Line Thin Film Photovoltaic Solar Pilot Line Thin Film Photovoltaic Solar Pilot Line D. L. Morel, C. S. Ferekides, E. K. Stefanakos D. L. Morel, C. S. Ferekides, E. K. Stefanakos Students: Students: R. Anders, K. Jayadevan, B. Satya Kanth Department of Electrical Engineering Department of Electrical Engineering Department of Electrical Engineering Department of Electrical Engineering Clean Energy Research Center Clean Energy Research Center University of South Florida University of South Florida Collaborators: UF and UCF Collaborators: UF and UCF Presented at the FESC Review Meeting, Tampa, September, 2009 Department of Electrical Engineering, Clean Energy Research Center, University of South Florida
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Thin Film Photovoltaic Solar Pilot LineThin Film Photovoltaic Solar Pilot LineThin Film Photovoltaic Solar Pilot LineThin Film Photovoltaic Solar Pilot LineD. L. Morel, C. S. Ferekides, E. K. StefanakosD. L. Morel, C. S. Ferekides, E. K. Stefanakos
Students: Students: R. Anders, K. Jayadevan, B. Satya Kanth
Department of Electrical EngineeringDepartment of Electrical EngineeringDepartment of Electrical EngineeringDepartment of Electrical EngineeringClean Energy Research CenterClean Energy Research Center
University of South FloridaUniversity of South Florida
Collaborators: UF and UCFCollaborators: UF and UCF
Presented at the FESC Review Meeting, Tampa, September, 2009Department of Electrical Engineering,
Clean Energy Research Center, University of South Florida
Project OverviewProject OverviewObjectivesObjectives: : Establish a worldEstablish a world class thin film PV moduleclass thin film PV moduleEstablish a worldEstablish a world--class thin film PV module class thin film PV module capabilitycapabilityAttract PV manufacturing operations to theAttract PV manufacturing operations to theAttract PV manufacturing operations to the Attract PV manufacturing operations to the statestate
Project Project PlanPlan::Design, build and operate a stateDesign, build and operate a state--ofof--thethe--art generic thin film module facilityart generic thin film module facility
22TASK 3 DFT Modeling
Why Thin Film?Why Thin Film?Crystalline Silicon
• Expensive single crystalor multi-crystalline growth
Thin Films• Deposited in large area layers by
numerous inexpensive methodsy g• Wafering kerf loss• 300 – 400 μm thick• Individual cells must be
p
• 1 – 5 μm thick• Monolithic patterning and• Individual cells must be
handled and connectedtogether
• Monolithic patterning andinterconnection
Why Thin Film?Why Thin Film?Crystalline Silicon
• Expensive single crystalor multi-crystalline growth
Thin Films• Deposited in large area layers by
numerous inexpensive methodsy g• Wafering kerf loss• 300 – 400 μm thick• Individual cells must be
p
• 1 – 5 μm thick• Monolithic patterning and• Individual cells must be
handled and connectedtogether
• Monolithic patterning andinterconnection
Thin Films have a significant cost advantage, but commercialthin film modules are 10% efficient vs. 15% for Silicon modules.
Why Thin Film?Why Thin Film?Crystalline Silicon
• Expensive single crystalor multi-crystalline growth
Thin Films• Deposited in large area layers by
numerous inexpensive methodsy g• Wafering kerf loss• 300 – 400 μm thick• Individual cells must be
p
• 1 – 5 μm thick• Monolithic patterning and• Individual cells must be
handled and connectedtogether
• Monolithic patterning andinterconnection
Thin Films have a significant cost advantage, but commercialthin film modules are 10% efficient vs. 15% for Silicon modules.
☼☼ Gigawatts of Thin Film production capacity are being installed…
ConclusionsConclusionsConclusionsConclusions• The TF piloting lab is in final permitting• A versatile deposition system has been designed and is• A versatile deposition system has been designed and is
being ordered• A processing approach based upon single junction CIGS is
being developed for initial operations• Ongoing lab-scale experiments at USF,UCF,UF will help
develop additional choices and optionsp p• Efficiencies up to 25% can be attained with tandem
structures• Initial discussions with industrial collaborators are being• Initial discussions with industrial collaborators are being