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Paper Abstract and Keywords
Presentation 2012-05-24 15:45
THz Aborption by Electric-Field-Induced Carriers in Pentacene
Shi-Guang Li (Chiba Univ./NAIST), Toshio Matsusue (Chiba Univ.), Yuta Yoshioka, Ryosuke Matsubara (NAIST), Masatoshi Sakai, Kazuhiro Kudo (Chiba Univ.), Masakazu Nakamura (NAIST) OME2012-27 Link to ES Tech. Rep. Archives: OME2012-27
Abstract (in Japanese) (See Japanese page) 
(in English) We found, in our previous work, that the HOMO-band edge of a pentacene thin film is randomly fluctuated due to the existence of crystallite boundaries. The local barrier height against carrier transportation is 0.5-10 meV, which corresponds well with the photon energy of THz wave (0.41-41 meV). It is therefore highly probable that the irradiation of THz wave enhances the carrier transport in OFETs with pentacene thin films. In this work, we measured the THz absorption spectrum by THz time-domain-spectroscopy modulated by the gate electric field. As a result, we confirmed that the accumulated holes in the pentacene films received energy from the THz photon.
Keyword (in Japanese) (See Japanese page) 
(in English) THz-wave / Organic Thin-Film Transistor / Pentacene / Absorption / THz time-domain-spectroscopy / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 57, OME2012-27, pp. 41-44, May 2012.
Paper # OME2012-27 
Date of Issue 2012-05-17 (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)
Download PDF OME2012-27 Link to ES Tech. Rep. Archives: OME2012-27

Conference Information
Committee OME  
Conference Date 2012-05-24 - 2012-05-24 
Place (in Japanese) (See Japanese page) 
Place (in English) NTT Musashino Research and Development Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Organic Materials; Preparation, Characterization and Related Topics 
Paper Information
Registration To OME 
Conference Code 2012-05-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) THz Aborption by Electric-Field-Induced Carriers in Pentacene 
Sub Title (in English)  
Keyword(1) THz-wave  
Keyword(2) Organic Thin-Film Transistor  
Keyword(3) Pentacene  
Keyword(4) Absorption  
Keyword(5) THz time-domain-spectroscopy  
1st Author's Name Shi-Guang Li  
1st Author's Affiliation Chiba University/Nara Institute of Science and Technology (Chiba Univ./NAIST)
2nd Author's Name Toshio Matsusue  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Yuta Yoshioka  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Ryosuke Matsubara  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Masatoshi Sakai  
5th Author's Affiliation Chiba University (Chiba Univ.)
6th Author's Name Kazuhiro Kudo  
6th Author's Affiliation Chiba University (Chiba Univ.)
7th Author's Name Masakazu Nakamura  
7th Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time 2012-05-24 15:45:00 
Presentation Time 15 
Registration for OME 
Paper # IEICE-OME2012-27 
Volume (vol) IEICE-112 
Number (no) no.57 
Page pp.41-44 
#Pages IEICE-4 
Date of Issue IEICE-OME-2012-05-17 

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