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Table 1 Optical band gap and contact angle reduction rate of ZnO thin films

From: Influence of water content in mixed solvent on surface morphology, wettability, and photoconductivity of ZnO thin films

x(%) E g Contact angle reduction rate
0 3.18 0.847
40 3.17 0.789
80 3.21 0.891
100 3.26 0.922