Issue 23, 2015

The stability domain of the selenide kesterite photovoltaic materials and NMR investigation of the Cu/Zn disorder in Cu2ZnSnSe4 (CZTSe)

Abstract

Bulk compounds, prepared via the ceramic route, related to Cu2ZnSnSe4 (CZTSe), a material considered for use in photovoltaic devices, were investigated using NMR spectroscopy, electron-probe microanalyses and X-ray diffraction. These materials adopt the kesterite structure regardless of the Cu and Zn contents. It is also shown that the stability domain of the copper-poor quaternary phases is wider for selenide derivatives than for sulphides. Finally, the Cu/Zn disorder level in CZTSe is found to be higher when the samples are quenched, which is reminiscent of the behaviour of the parent sulphide compounds CZTS.

Graphical abstract: The stability domain of the selenide kesterite photovoltaic materials and NMR investigation of the Cu/Zn disorder in Cu2ZnSnSe4 (CZTSe)

Supplementary files

Article information

Article type
Communication
Submitted
24 Mar 2015
Accepted
06 May 2015
First published
06 May 2015

Phys. Chem. Chem. Phys., 2015,17, 15088-15092

Author version available

The stability domain of the selenide kesterite photovoltaic materials and NMR investigation of the Cu/Zn disorder in Cu2ZnSnSe4 (CZTSe)

L. Choubrac, A. Lafond, M. Paris, C. Guillot-Deudon and S. Jobic, Phys. Chem. Chem. Phys., 2015, 17, 15088 DOI: 10.1039/C5CP01709B

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