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Paper Abstract and Keywords
Presentation 2011-01-24 11:20
Evaluation of defects on solar cell using a laser-SQUID
Yoshihiro Nakatani (Osaka Univ.), Tadayuki Hayashi (Sendai National College of Tech.), Hideo Itozaki (Osaka Univ.) SCE2010-40
Abstract (in Japanese) (See Japanese page) 
(in English) Photocurrent flows when a laser is locally irradiated a surface of a solar cell. A laser-SQUID microscope detects the magnetic field from the photocurrent by means of a SQUID (Superconducting QUantum Interference Device). A polycrystalline solar cell was evaluated using the laser-SQUID microscope. The laser-SQUID microscope detected some places where the magnetic field was not generated by the laser irradiation. And the photocurrent direction was estimated by changing a position of a needle. The polycrystalline solar cell was also evaluated by an LBIC (Laser Beam Induced Current) method which was widely used for an evaluation of a distribution of conversion efficiency of solar cells. The laser-SQUID microscope image was corresponded to the LBIC image. Therefore, the evaluation of the solar cell using the laser-SQUID microscope was effective. Furthermore, the laser-SQUID microscope was a non-contact method unlike a LBIC method that needs contacts.
Keyword (in Japanese) (See Japanese page) 
(in English) Laser / SQUID / Microscope / LBIC / Non-contact / Polycrystalline / Solar cell /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 385, SCE2010-40, pp. 23-28, Jan. 2011.
Paper # SCE2010-40 
Date of Issue 2011-01-17 (SCE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF SCE2010-40

Conference Information
Committee SCE  
Conference Date 2011-01-24 - 2011-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Superconducting sensing technologies and their applications, etc. 
Paper Information
Registration To SCE 
Conference Code 2011-01-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of defects on solar cell using a laser-SQUID 
Sub Title (in English)  
Keyword(1) Laser  
Keyword(2) SQUID  
Keyword(3) Microscope  
Keyword(4) LBIC  
Keyword(5) Non-contact  
Keyword(6) Polycrystalline  
Keyword(7) Solar cell  
Keyword(8)  
1st Author's Name Yoshihiro Nakatani  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Tadayuki Hayashi  
2nd Author's Affiliation Sendai National College of technology (Sendai National College of Tech.)
3rd Author's Name Hideo Itozaki  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2011-01-24 11:20:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2010-40 
Volume (vol) vol.110 
Number (no) no.385 
Page pp.23-28 
#Pages 6 
Date of Issue 2011-01-17 (SCE) 

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