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Table 1 Water contact angles before and after ultraviolet irradiation for 30 minutes

From: Superhydrophilic self-cleaning surfaces based on TiO2 and TiO2/SiO2 composite films for photovoltaic module cover glass

Sample

TiO 2 400°C

TiO 2 500°C

TiO 2 600°C

Si 86 Ti 14 400°C

Si 40 Ti 60 400°C

Before UV ( 0 )

(30,0 ± 0,2)

(27,0 ± 0,2)

(26,0 ± 0,2)

(6,0 ± 0,1)

(6,0 ± 0,1)

After UV ( 0 )

(6,0 ± 0,2)

(4,0 ± 0,2)

(4,0 ± 0,2)

(1,0 ± 0,1)

(0,1 ± 0,1)

Sample

Si 86 Ti 14 500°C

Si 40 Ti 60 500°C

Si 86 Ti 14 600°C

Si 40 Ti 60 600°C

Uncoated glass

Before UV ( 0 )

(1,0 ± 0,1)

(1,0 ± 0,1)

(1,0 ± 0,1)

(1,0 ± 0,1)

(32,0 ± 0,2)

After UV ( 0 )

(0,1 ± 0,1)

(0,1 ± 0,1)

(0,1 ± 0,1)

(0,1 ± 0,1)

(30,0 ± 0,2)