Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 524, Issue -, Pages 22-25Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2012.01.134
Keywords
Solar cell; CZTS; X-ray diffraction; Anomalous dispersion
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The crystal structure of Cu2ZnSnS4 (CZTS) thin films fabricated by vapor-phase sulfurization was determined using X-ray anomalous dispersion. High statistic synchrotron radiation X-ray diffraction data were collected from very small amounts of powder. By analyzing the wavelength dependencies of the diffraction peak intensities, the crystal structure was clearly identified as kesterite. Rietveld analysis revealed that the atomic composition deviated from stoichiometric composition, and the compositions were Cu/(Zn + Sn) = 0.97, and Zn/Sn = 1.42. (C) 2012 Elsevier B.V. All rights reserved.
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