2納米管作為光催化材料的研究受到廣泛關(guān)注。本文采用陽極氧化法在Ti板表面制備規(guī)則有序的TiO2納米管,通過在電解液中直接添加含F(xiàn)e、N元素的化學(xué)試劑對其進(jìn)行摻雜改性。利用掃描電子顯微鏡、X射線衍射儀和X射線光電子能譜對TiO2納米管進(jìn)行表征,確定TiO2納米管的最佳制備條件。最后利用瞬態(tài)光電流曲線、開路電位曲線、線性伏安掃描曲線對其光電化學(xué)性能進(jìn)行比較。研究發(fā)現(xiàn),1%的Fe元素?fù)诫s材料具有更好的光電響應(yīng),光照時(shí)開路電位可達(dá)0.34V；9%的N元素?fù)诫s材料具有最好的光電活性,光照時(shí)開路電位可達(dá)0.317V。"/>

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改性TiO2納米管陣列電極的光電化學(xué)性能研究
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內(nèi)蒙古大學(xué)生態(tài)與環(huán)境學(xué)院

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基金項(xiàng)目:

內(nèi)蒙古自治區(qū)自然科學(xué)基金(No. 2019BS02013)；內(nèi)蒙古自治區(qū)高等學(xué)?？蒲许?xiàng)目(No.NJZY18011)


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

Fund Project:

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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    摘要:

    近年來,摻雜改性的TiO2納米管作為光催化材料的研究受到廣泛關(guān)注。本文采用陽極氧化法在Ti板表面制備規(guī)則有序的TiO2納米管,通過在電解液中直接添加含F(xiàn)e、N元素的化學(xué)試劑對其進(jìn)行摻雜改性。利用掃描電子顯微鏡、X射線衍射儀和X射線光電子能譜對TiO2納米管進(jìn)行表征,確定TiO2納米管的最佳制備條件。最后利用瞬態(tài)光電流曲線、開路電位曲線、線性伏安掃描曲線對其光電化學(xué)性能進(jìn)行比較。研究發(fā)現(xiàn),1%的Fe元素?fù)诫s材料具有更好的光電響應(yīng),光照時(shí)開路電位可達(dá)0.34V；9%的N元素?fù)诫s材料具有最好的光電活性,光照時(shí)開路電位可達(dá)0.317V。

    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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靳雨馨,石穎哲,王璇.改性TiO2納米管陣列電極的光電化學(xué)性能研究[J].稀有金屬材料與工程,2021,50(2):614~620.[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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  • 收稿日期:2020-02-25
  • 最后修改日期:2020-05-03
  • 錄用日期:2020-05-08
  • 在線發(fā)布日期: 2021-03-09
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