Depth distribution of secondary phases in kesterite Cu2ZnSnS4 by angle-resolved X-ray absorption spectroscopy

Just, J.; Lützenkirchen-Hecht, D.; Müller, O.; Frahm, R.; Unold, T.

doi:10.1063/1.5000306

Title: Depth distribution of secondary phases in kesterite Cu₂ZnSnS₄ by angle-resolved X-ray absorption spectroscopy

Journal Article · Tue Dec 12 00:00:00 EST 2017 · APL Materials

DOI:https://doi.org/10.1063/1.5000306· OSTI ID:1417336

^[1];

^[2]; Müller, O. ^[3];

^[2]; Unold, T. ^[4]

Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany). Department Structure and Dynamics of Energy Materials; Fakultat 4-Physik, Bergische Universitat Wuppertal (Germany)
Fakultat 4-Physik, Bergische Universitat Wuppertal (Germany)
SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany)

The depth distribution of secondary phases in the solar cell absorber material Cu₂ZnSnS₄ (CZTS) is quantitatively investigated using X-ray Absorption Near Edge Structure (XANES) analysis at the K-edge of sulfur at varying incidence angles. Varying information depths from several nanometers up to the full thickness is achieved. A quantitative profile of the phase distribution is obtained by a self-consistent fit of a multilayer model to the XANES spectra for different angles. Single step co-evaporated CZTS thin-films are found to exhibit zinc and copper sulfide secondary phases preferentially at the front or back interfaces of the film.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1417336

Journal Information:: APL Materials, Vol. 5, Issue 12; ISSN 2166-532X

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 11 works

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Point defects, compositional fluctuations, and secondary phases in non-stoichiometric kesterites Schorr, Susan; Gurieva, Galina; Guc, Maxim Journal of Physics: Energy, Vol. 2, Issue 1 https://doi.org/10.1088/2515-7655/ab4a25	journal	December 2019
In-Depth Characterization of Secondary Phases in Cu2ZnSnS4 Film and Its Application to Solar Cells Zhang, Xianfeng; Wu, Hongde; Fu, Engang Nanomaterials, Vol. 9, Issue 6 https://doi.org/10.3390/nano9060855	journal	June 2019
Interfacial engineering to improve Cu ₂ ZnSnX ₄ (X = S, Se) solar cell efficiency Gu, H. J.; Yang, J. -H.; Chen, S. Y. APL Materials, Vol. 7, Issue 9 https://doi.org/10.1063/1.5116623	journal	September 2019
Point defects, compositional fluctuations, and secondary phases in non-stoichiometric kesterites Schorr, Susan; Gurieva, Galina; Guc, Maxim Freie Universität Berlin https://doi.org/10.17169/refubium-28526	text	January 2020

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