Journal
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS
Volume 70, Issue -, Pages 390-394Publisher
INT UNION CRYSTALLOGRAPHY
DOI: 10.1107/S2052520614003138
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Funding
- French Research Agency (ANR) under the grant NovACEZ [ANR-10-HABISOL-008]
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Cu/Zn disorder in the kesterite Cu2ZnSnS4 derivatives used for thin film based solar cells is an important issue for photovoltaic performances. Unfortunately, Cu and Zn cannot be distinguished by conventional laboratory X-ray diffraction. This paper reports on a resonant diffraction investigation of a Cu2ZnSnS4 single crystal from a quenched powdered sample. The full disorder of Cu and Zn in the z = 1/4 atomic plane is shown. The structure, namely disordered kesterite, is then described in the I (4) over bar 2m space group.
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