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Boron diffusion induced shunts

Zin, Ngwe Soe; Blakers, Andrew


Various types of shunt occur in solar cells, including process errors, defects, tunnel shunts between adjacent opposing diffusions and pinholes in insulating dielectric layers used to separate opposite-polarity regions. We have found that boron diffusions into small windows in dielectric layers generate pinholes in the layers following the removal of borosilicate glass (BSG) after the diffusion. These "boron-spots" lie close to the edge of the diffusion windows. If a phosphorus diffused region...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Conference paper
Source: Proceedings of IEEE Photovoltaic Specialists Conference (PVSC 2011)
DOI: 10.1109/PVSC.2011.6185871


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