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Study on Photoelectrochemical Performance of Modified TiO2 Nanotube Array Electrode
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Inner Mongolia University

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Natural Science foundation of Inner Mongolia autonomous region (No. 2019BS02013); Scientific research project of institutions of higher learning in Inner Mongolia autonomous region(No.NJZY18011)

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    Abstract:

    In recent years, the research of doped modified TiO2 nanotubes as photocatalytic materials has received widespread attention. In this paper, anodic oxidation method is used to prepare regular and ordered TiO2 nanotubes on the surface of Ti plate, and the chemical reagents containing Fe and N elements are directly added to the electrolyte to modify them. Sem, X-ray diffractometer and X-ray photoelectron spectroscopy were used to characterize TiO2 nanotubes, and the optimal preparation conditions of TiO2 nanotubes were determined. Finally, the transient photocurrent curve, open-circuit potential curve, and linear voltammetric scanning curve were used to compare their photoelectrochemical performance. The study found that 1% Fe element doped material has better photoelectric response, and the open circuit potential can reach 0.34V under light; 9% N element doped material has the best photoelectric activity, and open circuit potential can reach 0.317V.

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[jinyuxin, shiyingzhe, wangxuan. Study on Photoelectrochemical Performance of Modified TiO2 Nanotube Array Electrode[J]. Rare Metal Materials and Engineering,2021,50(2):614~620.]
DOI:10.12442/j. issn.1002-185X.20200123

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History
  • Received:February 25,2020
  • Revised:May 03,2020
  • Adopted:May 08,2020
  • Online: March 09,2021
  • Published: