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Long ZnO nanowires and hierarchical ZnO nanostructures were fabricated by simple anodization and subsequent electrochemical deposition for use in dye-sensitized solar cells (DSSCs). The length of the long ZnO nanowires increased with increasing anodization time at a constant voltage, with a growth rate of 50–80μmh −1 . The optimal electrochemical deposition time for preparing hierarchical...
In this study, we investigated the additive treatment effect of TiO 2 as alternative support materials to common carbon black for Pt-based electrocatalysts on electrocatalytic activity for oxygen reduction reaction (ORR). The shape of TiO 2 was varied by hydrothermal treatment with various additives, such as urea, thiourea, and hydrofluoric acid. From the results of transmission electron...
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