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Table 1 Electrochemical parameters obtained by the Tafel curves of Q235 CS, TiO2 in the dark, SnIn4S8/TiO2 in the dark, TiO2 under illumination, and SnIn4S8/TiO2 under illumination

From: Preparation of SnIn4S8/TiO2 Nanotube Photoanode and Its Photocathodic Protection for Q235 Carbon Steel Under Visible Light

Samples

Ecorr (V vs. SCE)

icorr (μA cm−2)

Q235 CS

 − 0.554

1.658

TiO2dark

 − 0.623

3.144

SnIn4S8/TiO2dark

 − 0.646

5.313

TiO2illumination

 − 0.751

18.94

SnIn4S8/TiO2illumination

 − 1.011

63.10

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