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Quantifying the impact of grain boundaries on standard and high performance mc-silicon solar cells
Karlstad University. (Department of Engineering and Physics, Karlstad University, Universitetsgatan 2, 65188 Karlstad, Sweden)
Karlstad University.
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Physics (from 2013).ORCID iD: 0000-0003-2181-3820
2018 (English)In: Proc. 35th European Photovoltaic Solar Energy Conference, Brussels, EU PVSEC , 2018, p. 535-538Conference paper, Published paper (Other academic)
Abstract [en]

Crystal defects such as grain boundaries affect the overall performance of a solar cell. The light beam induced current method allows for the localized quantification of the impact on the internal quantum efficiency of such defects. This work presents a method to estimate the separate impact of grain boundaries on the internal quantum efficiency (IQE) of multicrystalline silicon solar cells by correlating LBIC topographs with optical images of etched samples. Segmenting the impact of the grain boundaries on the IQE against those of other defects in our samples showed that the grain boundaries remain the most detrimental. The average IQE at 826 nm was reduced by up to 1.29 % (vs 0.25 % for other defects) absolute for standard multicrystalline and up to 1.15 % (vs 0.28 % for other defects) absolute for high performance multicrystalline silicon.

Place, publisher, year, edition, pages
EU PVSEC , 2018. p. 535-538
Keywords [en]
LBIC, Multicrystalline Silicon, Defects
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:kau:diva-69417DOI: 10.4229/35thEUPVSEC20182018-2AV.1.33ISBN: 3-936338-50-7 (print)OAI: oai:DiVA.org:kau-69417DiVA, id: diva2:1251798
Conference
35th European Photovoltaic Solar Energy Conference and Exhibition
Funder
Swedish Energy Agency, 40184-1Available from: 2018-09-28 Created: 2018-09-28 Last updated: 2019-03-28Bibliographically approved

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Rinio, Markus

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf