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Paper Abstract and Keywords
Presentation 2019-12-20 16:20
Hydrophilization and conductivity evaluation of graphite by microwave
Sho Morita, Haruto Shibata, Daiki Matsuo, Koichi Sakaguchi (Saga Univ.) OME2019-45
Abstract (in Japanese) (See Japanese page) 
(in English) Microwave Graphite Oxide (MWGO) was synthesized by using microwave irradiation to graphite in hydrogen peroxide solution. The oxygen functional groups were introduced into the graphite via chemical reaction with hydroxyl radicals generated by microwave irradiation. As a result, the MWGO showed high dispersibility in water. This chemical reaction occurs only at the graphite edge and leads to reduce environmental risks compared to other chemical methods using strong oxidizing agents. Moreover, the obtained samples show the higher conductivity than raw graphite in spite of non-reduction. The conductivity of the MWGO was increased with increasing microwave irradiation time, and the maximum value was reached to about 140 S/mm. This result is explained by improvement of high crystallinity and low defect density using microwave irradiation. Therefore, the MWGO is expected as a printable conductive carbon material.
Keyword (in Japanese) (See Japanese page) 
(in English) Microwave / Hydroxy Radical / Graphite Oxide / Conductive Carbon Material / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 350, OME2019-45, pp. 41-44, Dec. 2019.
Paper # OME2019-45 
Date of Issue 2019-12-13 (OME) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 OME  
Conference Date 2019-12-20 - 2019-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) avancée (Saga city) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) organic molecular electronics and photonics, polymer optical materials and devices, etc 
Paper Information
Registration To OME 
Conference Code 2019-12-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Hydrophilization and conductivity evaluation of graphite by microwave 
Sub Title (in English)  
Keyword(1) Microwave  
Keyword(2) Hydroxy Radical  
Keyword(3) Graphite Oxide  
Keyword(4) Conductive Carbon Material  
1st Author's Name Sho Morita  
1st Author's Affiliation Saga University (Saga Univ.)
2nd Author's Name Haruto Shibata  
2nd Author's Affiliation Saga University (Saga Univ.)
3rd Author's Name Daiki Matsuo  
3rd Author's Affiliation Saga University (Saga Univ.)
4th Author's Name Koichi Sakaguchi  
4th Author's Affiliation Saga University (Saga Univ.)
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Date Time 2019-12-20 16:20:00 
Presentation Time 15 
Registration for OME 
Paper # IEICE-OME2019-45 
Volume (vol) IEICE-119 
Number (no) no.350 
Page pp.41-44 
#Pages IEICE-4 
Date of Issue IEICE-OME-2019-12-13 

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