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Paper Abstract and Keywords
Presentation 2012-08-09 11:45
Influence of electrolyte composition on the formation process of anodic titanium oxide nanotubes
Ryota Kojima, Yasuo Kimura, Michio Niwano (RIEC, Tohoku Univ.) CPM2012-49
Abstract (in Japanese) (See Japanese page) 
(in English) Titanium oxide (TiO2) nanotubes have attracted great interest as nanomaterials for solar cells, gas sensors and so on. In this study, we fabricated TiO2 nanotube films on substrates by anodization. Since structural properties of nanotubes depend strongly on anodization conditions such as the composition of electrolyte and the anodic potential, it is important to evaluate influences of them. Although it has been revealed that water dissolved in the organic electrolyte has significant effects on the shape of anodic TiO2 nanotubes, the influence of water dissolved in the electrolyte on the anodization process of Ti is not fully understood. In this study, we have studied TiO2 nanotubes formed by anodizing a metallic Ti film deposited on a silicon dioxide layer in an ethylene glycol solution of water and ammonium fluoride (NH4F). We have systematically examined the influence of water and NH4F contents on the nanotube formation and the morphology of formed nanotubes. In the result, it was suggested that the ratio of the NH4F concentration to the water concentration is an important factor that influences the formation process of anodic TiO2 nanotubes.
Keyword (in Japanese) (See Japanese page) 
(in English) titanium oxide nanotube / anodization / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 175, CPM2012-49, pp. 71-75, Aug. 2012.
Paper # CPM2012-49 
Date of Issue 2012-08-01 (CPM) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee CPM  
Conference Date 2012-08-08 - 2012-08-09 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPM 
Conference Code 2012-08-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of electrolyte composition on the formation process of anodic titanium oxide nanotubes 
Sub Title (in English)  
Keyword(1) titanium oxide nanotube  
Keyword(2) anodization  
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1st Author's Name Ryota Kojima  
1st Author's Affiliation Research Institute of Electrical Communication, Tohoku University (RIEC, Tohoku Univ.)
2nd Author's Name Yasuo Kimura  
2nd Author's Affiliation Research Institute of Electrical Communication, Tohoku University (RIEC, Tohoku Univ.)
3rd Author's Name Michio Niwano  
3rd Author's Affiliation Research Institute of Electrical Communication, Tohoku University (RIEC, Tohoku Univ.)
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Speaker Author-1 
Date Time 2012-08-09 11:45:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2012-49 
Volume (vol) vol.112 
Number (no) no.175 
Page pp.71-75 
#Pages 5 
Date of Issue 2012-08-01 (CPM) 

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