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Demircioğlu Ö, Salas JF, Rey G, et al. Optical properties of Cu2ZnSnSe4 thin films and identification of secondary phases by spectroscopic ellipsometry. Opt Express. 2017;25(5):5327-5340doi: 10.1364/OE.25.005327.
Demircioğlu, �. �., Salas, J. F., Rey, G., Weiss, T., Mousel, M., Redinger, A., Siebentritt, S., Parisi, J., & Gütay, L. (2017). Optical properties of Cu2ZnSnSe4 thin films and identification of secondary phases by spectroscopic ellipsometry. Optics express, 25(5), 5327-5340. https://doi.org/10.1364/OE.25.005327
Demircioğlu, Özden, et al. "Optical properties of Cu2ZnSnSe4 thin films and identification of secondary phases by spectroscopic ellipsometry." Optics express vol. 25,5 (2017): 5327-5340. doi: https://doi.org/10.1364/OE.25.005327
Demircioğlu Ö, Salas JF, Rey G, Weiss T, Mousel M, Redinger A, Siebentritt S, Parisi J, Gütay L. Optical properties of Cu2ZnSnSe4 thin films and identification of secondary phases by spectroscopic ellipsometry. Opt Express. 2017 Mar 06;25(5):5327-5340. doi: 10.1364/OE.25.005327. PMID: 28380795.
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Opt Express. 2017 Mar 06;25(5):5327-5340. doi: 10.1364/OE.25.005327.

Optical properties of Cu2ZnSnSe4 thin films and identification of secondary phases by spectroscopic ellipsometry.

Optics express

Özden Demircioğlu, José Fabio López Salas, Germain Rey, Thomas Weiss, Marina Mousel, Alex Redinger, Susanne Siebentritt, Jürgen Parisi, Levent Gütay

PMID: 28380795 DOI: 10.1364/OE.25.005327

Abstract

We apply spectroscopic ellipsometry (SE) to identify secondary phases in Cu2ZnSnSe4 (CZTSe) absorbers and to investigate the optical properties of CZTSe. A detailed optical model is used to extract the optical parameters, such as refractive index and extinction coefficient in order to extrapolate the band gap values of CZTSe samples, and to obtain information about the presence of secondary phases at the front and back sides of the samples. We show that SE can be used as a non-destructive method for detection of the secondary phases ZnSe and MoSe2 and to extrapolate the band gap values of CZTSe phase.

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