Method of preparing TiO2 nano pipe array by anodic oxidation method
Title：
Method of preparing TiO2 nano pipe array by anodic oxidation method
Application Number：
 200710062634
Application Date：
 2007/01/12
Announcement Date：
 2007/08/15
Pub. Date：
Publication Number：
 101016637
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C25D 3/28C30B 30/02
Applicant(s)：
 Tsinghua University
Inventor(s)：
 Wang Xiaohui, Yang Yang, Li Longtu
Key Words：
 nano pipe array, anodic oxidation
Abstract：
 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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PCT：
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