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Temperature dependent electron beam induced current experiments on chalcopyrite thin film solar cells

Applied Physics Letters, ISSN: 0003-6951, Vol: 70, Issue: 8, Page: 1011-1013
1997
  • 9
    Citations
  • 0
    Usage
  • 21
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    9
    • Citation Indexes
      9
  • Captures
    21

Article Description

Electron-beam-induced current (EBIC) profiles of Mo/CuInX/CdS/ZnO thin film solar cells with X=Se, S were recorded at different temperatures. We measure the collection efficiency of cells as a function of the beam energy and subsequently identify the depth dependent collection function. For a CuInS based cell, charge collection is maintained by diffusion transport of minority carriers to the junction with an effective diffusion length of 1.3±0.2 μm. This value is independent on temperature between 123 and 373 K. A CuInSe based cell exhibits increased collection of charge carriers created at the back contact on decreasing temperature. The temperature variation of the EBIC profiles is discussed considering the effect of bulk and grain boundary recombination. © 1997 American Institute of Physics.

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