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Effects of Solar Cell Processing Steps on Dislocation Luminescence in Multicrystalline Silicon

Nguyen, Hieu; Rougieux, Fiacre; Wang, Fan; MacDonald, Daniel


We examine the impacts of hydrogenation and phosphorus gettering steps on the deep-level photoluminescence spectra of dislocations and the surrounding regions in multicrystalline silicon wafers, using micro-photoluminescence spectroscopy with micron-scale spatial resolution. We found that the D1 line, originating from secondary defects around dislocation sites, was enhanced significantly after gettering but remained unchanged after hydrogenation, suggesting that the former process reduced the...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Energy Procedia
DOI: 10.1016/j.egypro.2015.07.089


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