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Band offsets at the ZnSe / CuInS2 interface
Published online by Cambridge University Press: 01 February 2011
Abstract
ZnSe has been shown to be a promising alternative buffer in CuInS2 thin film solar cells. Here we present for the first time photoemission measurements to determine the band alignment at the ZnSe/CuInS2 interface. Epitaxial CuInS2 is used as a substrate. ZnSe is deposited in varying thicknesses by MOCVD. X-ray photoelectron spectra are measured with an Mg laboratory source and with synchrotron radiation. A valence band offset of 0.4+/-0.1eV is obtained.
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- Copyright © Materials Research Society 2005