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Fabrication of AAO over aluminum mesh as an effective support for catalytic decomposition of ozone

  • Lianjie Duan
  • Huan Liu
  • Haocheng Wu
  • Dongqi Yu
  • Lei Huang
Article
  • 20 Downloads

Abstract

In this work, anodic aluminum oxide (AAO) over Al mesh was fabricated as a support for monolithic catalyst for ozone decomposition. AAO with the pore sizes of about 9–38 nm could be obtained by increasing the voltage from 20 to 40 V. A mechanism was proposed to address the formation of AAO over Al mesh. Different with the case over Al plate, the key of the formation of porous AAO over Al mesh is to seal the edges of the Al mesh immersed in the electrolyte to keep the conductivity of the interlaced Al wires. Mn–Co nanospheres with the size of about 80 nm were decorated on AAO through a simple dip-coating process. The obtained material then was used as monolithic catalyst for ozone decomposition. It was found out that the developed material showed much better activity than Mn–Co composite decorated on Al mesh only, which is possibly due to the combination of the adsorption ability of AAO and the catalytic property of Mn–Co composite.

Keywords

AAO Ozone decomposition MnO2 Co3O4 Monolithic catalyst Aluminum mesh 

Notes

Acknowledgements

This work was financially supported by Shanghai Science and Technology Committee (Grant Nos. 15DZ2281400 and 16DZ2292100).

Supplementary material

10934_2018_675_MOESM1_ESM.docx (5.5 mb)
Supplementary material 1 (DOCX 5659 KB)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Physics and Electronic TechnologyLiaoning Normal UniversityDalianChina
  2. 2.Research Center of Nano Science and TechnologyShanghai UniversityShanghaiChina

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