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Plasma treated water – A promising electrolyte to produce nanoporous titanium dioxide nanotubes
Author(s) -
Ambujakshan Arun T.,
Sadek Abu,
Magniez Kevin,
Mateti Srikanth,
Mayes Edwin,
Devi Gayathri,
Pringle Jennifer M.,
Plessis Johan du,
Chen Zhiqiang,
Corr Cormac S.,
Hodgson Peter D.,
Dai Xiujuan J.
Publication year - 2017
Publication title -
plasma processes and polymers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 74
eISSN - 1612-8869
pISSN - 1612-8850
DOI - 10.1002/ppap.201600219
Subject(s) - nanoporous , hydrogen peroxide , electrolyte , anodizing , materials science , chemical engineering , titanium dioxide , inorganic chemistry , hydrogen , nanotube , oxide , titanium , titanium oxide , dielectric barrier discharge , nanotechnology , chemistry , carbon nanotube , electrode , organic chemistry , composite material , dielectric , metallurgy , aluminium , optoelectronics , engineering
Plasma‐treated water is used as an environmentally friendly electrolyte for the synthesis of nanoporous titanium dioxide nanotubes by anodization of titanium. The possible mechanism of nanotube formation in the process is studied. The reactive species hydrogen peroxide and nitrate can be selectively produced in a gas bubble discharge in liquid using argon plasma or air plasma, respectively. It is observed that hydrogen peroxide enhances only the formation of an oxide layer, while nitrate forms pores on this oxide layer. It is proposed that the nitrate determines the formation of nanoporous nanotubes, while hydrogen peroxide enhances the oxidation.