Photocatalytic Performance and Kinetic Studies of a Wood Surface Loaded with Bi₂O₃-Doped Silicon-Titanium Composite Film.

It can be seen from the figure that the contact angle of the wood specimens showed a decreasing trend with the increase in Bi doping amount; when the doping amount increased from 0 to 2%, the contact angle decreased from 125.9° to 91.4°, indicating that the increase in Bi 2 O 3 would reduce the hydrophobicity of the silica–titanium composite film on the wood surface.

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