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. 2024 Oct 18;17(20):5095. doi: 10.3390/ma17205095

Figure 4.

Figure 4

Raman spectra of as-deposited SnO2 films annealed on FTO substrates are presented. The SnO2 films were synthesized through reactions conducted at 100 °C and 110 °C. For comparison, the Raman spectrum of the FTO substrate is also shown.