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Paper Abstract and Keywords
Presentation 2016-12-20 10:35
Observation of Each Subcell in a Tandem Solar Cell Using Wavelength Tunable Laser Terahertz Emission Microscope
Shota Hamauchi, Iwao Kawayama, Yuji Sakai, Toshihito Umegaki (Osaka Univ.), Akira Ito, Hidetoshi Nakanishi (SCREEN), Hironaru Murakami (Osaka Univ.), Charles Schmuttenmaer (Yale Univ./Osaka Univ.), Masayoshi Tonouchi (Osaka Univ.) ED2016-90
Abstract (in Japanese) (See Japanese page) 
(in English) THz waves are generated from semiconductor materials and devices excited by femtosecond laser pulses, which reflect internal electric fields, crystal grains and defects in the materials and devices. We have developed an inspection method of solar cells nondestructively using laser terahertz emission microscope (LTEM) that detects and visualizes amplitudes of THz emissions. In this report, we tried to measure THz emissions form each sub cell of a triple junction (TJ) solar cell by changing the wavelengths of excitation laser pulses and demonstrated that THz waveforms and images reflect the properties of each sub cell in the TJ solar cell.
Keyword (in Japanese) (See Japanese page) 
(in English) Terahertz / Solar cell / Imaging / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 375, ED2016-90, pp. 55-60, Dec. 2016.
Paper # ED2016-90 
Date of Issue 2016-12-12 (ED) 
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 ED2016-90

Conference Information
Committee ED  
Conference Date 2016-12-19 - 2016-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC, Tohoku Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Millimeter-wave, terahertz-wave devices and systems 
Paper Information
Registration To ED 
Conference Code 2016-12-ED 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Observation of Each Subcell in a Tandem Solar Cell Using Wavelength Tunable Laser Terahertz Emission Microscope 
Sub Title (in English)  
Keyword(1) Terahertz  
Keyword(2) Solar cell  
Keyword(3) Imaging  
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1st Author's Name Shota Hamauchi  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Iwao Kawayama  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Yuji Sakai  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Toshihito Umegaki  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Akira Ito  
5th Author's Affiliation SCREEN Holdings Co., Ltd. (SCREEN)
6th Author's Name Hidetoshi Nakanishi  
6th Author's Affiliation SCREEN Holdings Co., Ltd. (SCREEN)
7th Author's Name Hironaru Murakami  
7th Author's Affiliation Osaka University (Osaka Univ.)
8th Author's Name Charles Schmuttenmaer  
8th Author's Affiliation Yale University/Osaka University (Yale Univ./Osaka Univ.)
9th Author's Name Masayoshi Tonouchi  
9th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2016-12-20 10:35:00 
Presentation Time 25 minutes 
Registration for ED 
Paper # ED2016-90 
Volume (vol) vol.116 
Number (no) no.375 
Page pp.55-60 
#Pages 6 
Date of Issue 2016-12-12 (ED) 

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