Development of a Wide Bandgap Cell for Thin Film Tandem Solar Cells: Final Technical Report, 6 November 2003 - 5 January 2007

Research output: NRELSubcontract Report

Abstract

The objective of this research program was to develop approaches for a transparent wide-bandgap cell to be used in a thin-film tandem polycrystalline solar cell that can ultimately attain 25% efficiency. Specific goals included the research and development of Cu(InGa)(SeS)2 and Cd1-xZnxTe alloys with a bandgap from 1.5 to 1.8 eV, demonstrating the potential of a 15% cell efficiency with atransparent contact, and supporting the High Performance PV Program. This Final Report presents results that emphasize the 3rd phase of the program.
Original languageAmerican English
Number of pages40
StatePublished - 2008

Bibliographical note

Work performed by the Institute of Energy Conversion, University of Delaware, Newark, Delaware

NREL Publication Number

  • NREL/SR-520-42388

Keywords

  • deposition
  • device fabrication
  • high efficiency
  • PV
  • solar cells
  • tandem polycrystalline
  • thin films
  • transparent contact
  • vapor transport
  • wide band gap

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