Growth mechanisms and structural properties of microcrystalline silicon films deposited by catalytic CVD

Research output: Contribution to journalConference articlepeer-review

Abstract

Silicon-hydrogen bonding configurations, during or after microcrystalline silicon (μc-Si:H) film deposition by catalytic CVD, have been investigated for the first time by real-time in-situ Fourier transform phase modulated infrared ellipsometry (FTPME). FTPME measurements have been performed during and after μc-Si:H film depositions using high, low or variable dilutions of silane in hydrogen. The silicon-hydrogen bonding configurations of μc-Si:H films have been correlated with their corresponding structural properties as deduced from UV-visible ellipsometry analyses. A 4.6% efficiency has been obtained for μc-Si:H n-i-p solar cells, with the i-layer deposited by catalytic CVD at 200°C on a glass substrate using a variable hydrogen dilution process. Further optimization should improve the performance of catalytic CVD μc-Si:H solar cells.

Original languageEnglish
Pages (from-to)178-183
Number of pages6
JournalThin Solid Films
Volume395
Issue number1-2
DOIs
Publication statusPublished - 3 Sept 2001
EventProceedings of the First International Conference on Cat-CVD - Kanazawa, Japan
Duration: 14 Nov 200017 Nov 2000

Keywords

  • Chemical vapor deposition (CVD)
  • Ellipsometry
  • Silicon
  • Solar cells

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