Synergistic Effects of Rear-Surface Passivation and the Metal Wrap Through Concept

We present small-area metal wrap through solar cells with passivated rear side (MWT-PERC), screen-printed metallization, and a homogeneous industrial-like emitter showing an efficiency of 20.2%. A comparison of H-pattern reference cells and cells with aluminum back surface field confirms the advanta...

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Bibliographic Details
Published in:IEEE journal of photovoltaics 2012-04, Vol.2 (2), p.109-113
Main Authors: Thaidigsmann, B., Drews, A., Fellmeth, T., Saint-Cast, P., Wolf, A., Clement, F., Preu, R., Biro, D.
Format: Article
Language:English
Subjects:
Educational institutions
Metal wrap through (MWT)
P-n junctions
Passivation
Photovoltaic cells
Photovoltaic systems
screen printing
Silicon
surface passivation
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Summary:We present small-area metal wrap through solar cells with passivated rear side (MWT-PERC), screen-printed metallization, and a homogeneous industrial-like emitter showing an efficiency of 20.2%. A comparison of H-pattern reference cells and cells with aluminum back surface field confirms the advantages of the MWT-PERC approach and reveals significant synergistic effects of rear-surface passivation and wrap through metallization.
ISSN:2156-3381
2156-3403
DOI:10.1109/JPHOTOV.2012.2183577