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Recombination activ...
Recombination activity of grain boundaries in high-performance multicrystalline Si during solar cell processing
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- Adamczyk, Krzysztof (författare)
- Department of Materials Science and Engineering, Trondheim, Norway
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- Søndenå, Rune (författare)
- Department for Solar Energy, IFE, Kjeller, Norway
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- Stokkan, Gaute (författare)
- Sintef Materials and Chemistry, Trondheim, Norway
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- Looney, Erin (författare)
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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- Jensen, Mallory (författare)
- Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
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- Lai, Barry (författare)
- Advanced Photon Source, Argonne National Laboratory, Lemont, Illinois 60439, USA
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- Rinio, Markus, 1967- (författare)
- Karlstads universitet,Institutionen för ingenjörsvetenskap och fysik (from 2013)
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- Di Sabatino, Marisa (författare)
- Department of Materials Science and Engineering, NTNU, A. Getz vei 2B, NO-7491 Trondheim, Norway
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(creator_code:org_t)
- American Institute of Physics (AIP), 2018
- 2018
- Engelska.
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Ingår i: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 123:5, s. 1-6
- Relaterad länk:
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https://kau.diva-por... (primary) (Raw object)
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https://ife.brage.un...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this work, we applied internal quantum efficiency mapping to study the recombination activity of grain boundaries in High Performance Multicrystalline Silicon under different processing conditions. Wafers were divided into groups and underwent different thermal processing, consisting of phosphorus diffusion gettering and surface passivation with hydrogen rich layers. After these thermal treatments, wafers were processed into heterojunction with intrinsic thin layer solar cells. Light Beam Induced Current and Electron Backscatter Diffraction were applied to analyse the influence of thermal treatment during standard solar cell processing on different types of grain boundaries. The results show that after cell processing, most random-angle grain boundaries in the material are well passivated, but small-angle grain boundaries are not well passivated. Special cases of coincidence site lattice grain boundaries with high recombination activity are also found. Based on micro-X-ray fluorescence measurements, a change in the contamination level is suggested as the reason behind their increased activity.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- solar cells
- silicon
- multicrystalline
- high-performance multicrystalline silicon
- grain boundaries
- recombination
- Physics
- Fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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