Search for the Factors Determining the Photodegradation in High Efficiency a-Si:H Solar Cells: Final Subcontract Report, 28 January 1998 - 15 August 2001

Research output: NRELSubcontract Report

Abstract

This report describes continuing studies on photoluminescence (PL), electroluminescence (EL), Raman, and nuclear magnetic resonance (NMR) by the University of North Carolina-Chapel Hill during the three years and the extension period. Systematic studies on the transition materials and their solar cells and a review of the photo-induced structural changes in correlation to the electronicdegradation have led to better understanding of the factors determining the photodegradation in a-Si:H solar cells. NHR established significant differences, as in the bonding of hydrogen in the hot-wire- and plasma-deposited amorphous silicon.
Original languageAmerican English
Number of pages57
StatePublished - 2002

Bibliographical note

Worked performed by the University of North Carolina, Chapel Hill, North Carolina.

NREL Publication Number

  • NREL/SR-520-31754

Keywords

  • a-si:h
  • amorphous silicon
  • electroluminescence
  • nuclear magnetic resonance (NMR)
  • photodegradation
  • photoluminescence
  • PV
  • raman spectroscopy

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