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I-doping of anodized TiO2 nanotubes using an electrochemical method
  • ISSN号:1001-6538
  • 期刊名称:Chinese Science Bulletin
  • 时间:0
  • 页码:2136-2141
  • 分类:X703[环境科学与工程—环境工程] TB383[一般工业技术—材料科学与工程]
  • 作者机构:[1]State Key Laboratory of Lake Science and Environment, Nanjing lnstitttte of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China, [2]Guangdong Provincial Academy of Environmental Science, Guangzhou 510045, China
  • 相关基金:This work was supported by the National Natural Science Foundation of China (20906097) and the Natural Science Foundation of Jiangsu Prov- ince, China (BK2011881).
  • 相关项目:可见光诱导型光催化剂的制备及光电催化降解微囊藻毒素研究
中文摘要:

以便在自然水的样品在倔强的 microcystins (MC ) 的处理调查阳极的 TiO2 nanotubes 和他们的实际申请的催化表演, 5080 nm 的直径的 TiO2 nanotubes 被阳极化在 C2H2O4f 制作吸收了剂量,但是在更高的剂量稳定了。而且, BmimCl 的 solvated 电子的放射收益进一步在约 0.358 点被估计

英文摘要:

In order to investigate the catalytic performance of anodic TiO2 nanotubes and their practical application in the treatment of re- fractory microcystins (MCs) in natural-water samples, TiO2 nanotubes of diameter of 50-80 nm were fabricated by anodization in C2H204 2H20 containing NH4F. Under irradiation with natural sunlight, MC-LR was totally degraded after 1 d using the anodic TiO2 nanotubes. In contrast, the removal efficiency without TiO2 nanotubes was as low as 47.7% within 20 d. In addition, a mix- ture of anatase and rutile TiO2 gave higher photocatalytic activity than the single phase did. The pH also influenced the adsorption capacity of the TiO2 nanotubes. The order of MC-LR degradation efficiencies at different pH values was 3.5 〉 8.0 〉 10.0. After five repeated experiments on the degradation of MC-LR for 7 b, the degradation efficiency was still stable.

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