Trapping activity on multicrystalline Si wafers studied by combining fast PL imaging and high resolved electrical techniques

Multi-crystalline Si is the preferred material in the photovoltaic world market due to the good balance between production costs and efficiency. However, it has a large number of defects acting as recombination centers for the photogenerated carriers. In this work, we use both the fast inspection pr...

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Hauptverfasser: Martinez, O., Moralejo, B., Hortelano, V., Tejero, A., Gonzalez, M. A., Jimenez, J., Mass, J., Parra, V.
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creator Martinez, O.
Moralejo, B.
Hortelano, V.
Tejero, A.
Gonzalez, M. A.
Jimenez, J.
Mass, J.
Parra, V.
description Multi-crystalline Si is the preferred material in the photovoltaic world market due to the good balance between production costs and efficiency. However, it has a large number of defects acting as recombination centers for the photogenerated carriers. In this work, we use both the fast inspection provided by the photoluminescence imaging technique with the very high spatial resolution of the light beam induced current and electron beam induced current techniques, for obtaining a comprehensive understanding of the electrical activity and distribution of defects in this material.
doi_str_mv 10.1109/CDE.2013.6481417
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identifier ISSN: 2163-4971
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Charge carrier processes
Defects
Devices
EBIC
Imaging
LBIC
Light beams
Manufacturing engineering
Markets
mc-Si
Optical reflection
Photovoltaic cells
PL-imaging
Silicon
Spatial resolution
Trapping
trapping activity
title Trapping activity on multicrystalline Si wafers studied by combining fast PL imaging and high resolved electrical techniques
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