Detection of a ZnSe secondary phase in coevaporated Cu2ZnSnSe4 thin films
A Redinger, K Hönes, X Fontané… - Applied Physics …, 2011 - pubs.aip.org
Cu 2 ZnSnSe 4 (CZTSe) thin films are grown by coevaporation. Composition depth profiles
reveal that a Zn rich phase is present at the CZTSe/Mo interface. Raman measurements on
the as grown films are used to study the near surface region and the CZTSe/Mo interface,
after mechanically removing the thin film from the Mo coated glass. These measurements
provide direct experimental evidence of the formation of a ZnSe phase at the CZTSe/Mo
interface. While the Raman spectra at the surface region are dominated by CZTSe modes …
reveal that a Zn rich phase is present at the CZTSe/Mo interface. Raman measurements on
the as grown films are used to study the near surface region and the CZTSe/Mo interface,
after mechanically removing the thin film from the Mo coated glass. These measurements
provide direct experimental evidence of the formation of a ZnSe phase at the CZTSe/Mo
interface. While the Raman spectra at the surface region are dominated by CZTSe modes …
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