Progress in High-Performance PV: Polycrystalline Thin-Film Tandem Cells

Research output: Contribution to conferencePaper


The High-Performance Photovoltaic (HiPerf PV) Project was initiated by the U.S. Department of Energy to substantially increase the viability of PV for cost-competitive applications. The goal is that PV will contribute significantly to the U.S. and world energy supply and environmental enhancement in the 21st century. The HiPerf PV Project aims at exploring the ultimate performance limits ofexisting PV technologies, approximately doubling their sunlight-to-electricity conversion efficiencies during its course, to accelerate and enhance their impact in the marketplace. To accomplish this, the National Center for Photovoltaics (NCPV) directs in-house and subcontracted research in high-performance polycrystalline thin-film and multijunction concentrator devices. This paper willdescribe progress of the subcontractor and in-house R&D on critical pathways for a PV technology having a high potential to reach cost-competitiveness goals: 25%-efficient, low-cost polycrystalline thin-film tandems for large-area, flat-plate modules.
Original languageAmerican English
Number of pages9
StatePublished - 2004
Event19th European PV Solar Energy Conference and Exhibition - Paris, France
Duration: 7 Jun 200411 Jun 2004


Conference19th European PV Solar Energy Conference and Exhibition
CityParis, France

NREL Publication Number

  • NREL/CP-520-35174


  • high-efficiency
  • polycrystalline
  • PV
  • thin films


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