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Electropolishing for the formation of anodic nanotubular TiO2 with uniform

Authors
 Byung Gun Lee  ;  Sung-Yu Hong  ;  Jinsub Choi  ;  Jeong Eun Yoo 
Citation
 Applied Surface Science, Vol.257(16) : 7190-7194, 2011 
Journal Title
 Applied Surface Science 
ISSN
 0169-4332 
Issue Date
2011
Abstract
Electropolishing of Ti was carried out in alcohol-based electrolyte and subsequently the polished Ti was anodized in ethylene glycol containing 0.25 wt% NH4F. Anodization of polished and non-polished Ti, respectively, showed no big difference in the degree of local arrangement of the nanotubes, whereas the surface roughness on a large area was dramatically improved in the anodized polished Ti. Anodization of polished Ti leads to the formation of nanotubular TiO2 structures with more uniform length and relatively time-independent density of nanotubes compared to that prepared with anodization of non-polished Ti, meaning that electropolishing is indispensable for the formation of uniform nanotubular TiO2 structures. --------------------------------------------------------------------------------
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/95138
DOI
10.1016/j.apsusc.2011.03.089
Appears in Collections:
1. Journal Papers (연구논문) > 5. Research Institutes (연구소) > Cardiovascular Product Evaluation Center (심혈관제품유효성평가센터)
Yonsei Authors
홍성유(Hong, Sung Yu)
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Full Text
http://www.sciencedirect.com/science/article/pii/S0169433211004533
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