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Light-enhanced surface passivation of TiO2-coated silicon

Thomson, Andrew; McIntosh, Keith


Titanium dioxide is shown to afford good passivation to non-diffused silicon surfaces and boron-diffused surfaces after a low-temperature anneal. The passivation most likely owes to the significant levels of negative charge instilled in the films, and passivation is enhanced by illumination-advantageous for solar cells-indicating that a titanium dioxide photoreaction is at least partly responsible for the low surface recombination. We demonstrate a surface recombination velocity of less than 30...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Progress in Photovoltaics: Research and Applications
DOI: 10.1002/pip.1132


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