article·2010-12-29

XPS study of CZTSSe monograin powders

Mati Danilson, M. Altosaar, M. Kauk, Atanas Katerski, J. Krustok, J. Raudoja

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Abstract

Abstract The surface and bulk composition of Cu2ZnSn(SexS1-x)4 (CZTSSe) monograin powders were investigated by X-ray photoelectron spectroscopy (XPS). The concentration depth profiling of CZTSSe monograin powders was obtained by Ar+ ion etching. According to the XPS spectra of CZTSSe monograin powder, the binding energies of Zn 2p3/2, Cu 2p3/2, Sn 3d5/2, S 2p3/2 and Se 3d5/2 core levels after surface cleaning are located at 1021.6 eV, 932.4 eV, 486.1 eV, 161.5 eV, 53.9 eV, respectively. From XPS depth profile analysis, Cu deficiency and the excess of chalcogenides on the powder crystals surface were observed.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties · Semiconductor materials and interfaces

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