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. 2019 Feb 20;6(2):181578. doi: 10.1098/rsos.181578

Figure 4.

Figure 4.

(a) Total transmittance spectra for TiO2 thin films deposited at 250°C, 350°C and 450°C onto window glass and annealed at 500°C for 1 h. (b) The inset shows the band gap value of as-prepared TiO2 sample deposited at 350°C.