Method of preparing TiO2 nano pipe array by anodic oxidation method
Method of preparing TiO2 nano pipe array by anodic oxidation method
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C25D 3/28C30B 30/02
Tsinghua University
Wang Xiaohui, Yang Yang, Li Longtu
Key Words:
nano pipe array, anodic oxidation
The invention discloses a preparing method of TiO2 nanometer pipe array with anodic oxidation method in photoelectric function film technical domain, which comprises the following steps: choosing dimethyl formamide and fluohydric acid as raw material allocating organic electrolytic solution with mass percent of fluohydric acid at 0.1-5% proceeding anodic oxidation reaction with the reacting time bigger than 5 h growing the TiO2 nanometer pipe array with the length excesses 20 micrometer, pipe diameter excesses 100 nanometer and length-diameter ratio can reach above 200 setting the voltage at 10-40 volt This method can be utilized to produce various photoelectron chemistry component, which possesses wide prospect in domains of light energy utilization, green energy development and waste water treatment.

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