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Q1£ºThe authors said that tube-like TiO2 has a relatively higher interfacial charge transfer rate than sphere-like TiO2. The mechanism should be given for the statement.
Q2£ºThe authors said that the transfer of carriers along the length of the TiO2 tubes can reduce the probability of e-/h+ recombination during the photocatalytic activity of TiO2 microtubes. Although they cite two references, the mechanism should be described.

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