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An accurate method for calibrating photoluminescence-based lifetime images on multi-crystalline silicon wafers

Sio, Hang Cheong (Kelvin); Phang, Sieu Pheng; Trupke, T; MacDonald, Daniel


We present a method for converting photoluminescence images into carrier lifetime images for silicon wafers with inhomogeneous lifetime distributions, such as multi-crystalline silicon wafers, based on a calibration factor extracted from a separate, homogeneous, mono-crystalline calibration wafer and simple optical modelling of the photoluminescence signal from both the calibration wafer and the test wafer. The method is applicable to planar wafers with uniform carrier profiles depth-wise. A...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Solar Energy Materials and Solar Cells
DOI: 10.1016/j.solmat.2014.06.004


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