Figure 7

The Raman spectra of CZTSe thin films prepared by the various selenization conditions. (Blue) without a tin source, (red) with a tin source at 400°C, and (black) with a tin source at 530°C.
The Raman spectra of CZTSe thin films prepared by the various selenization conditions. (Blue) without a tin source, (red) with a tin source at 400°C, and (black) with a tin source at 530°C.