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| Presentation | 2008-07-10 10:40 A Study on Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) (PEDOT:PSS) Films for The Microbolometer Applications Hyeok Jun Son, Il Woong Kwon (KAIST), Ho Jun You (ETRI), Yong Soo Lee, Hee Chul Lee (KAIST)  ED2008-68 SDM2008-87 Link to ES Tech. Rep. Archives: ED2008-68 SDM2008-87 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We present Poly(3,4-ethylenedioxythiophene):Poly(Styrene sulfonate)(PEDOT:PSS) films for application in a bolometer, a kind of uncooled infrared image sensor. In order to maximize the sensitivity of an uncooled infrared image sensor, maximization of the temperature coefficient of resistance (TCR) and minimization of the 1/f noise of the sensing materials are required. While the material's resistivity should be large enough for higher TCR, it is widely known that large resistivity usually accompanies high 1/f noise. For this reason, traditional bolometric materials such as vanadium oxide, amorphous silicon and titanium, which respectively have a good ratio of TCR over noise, have been widely used. Numerous conducting polymers have been developed and studied in recent years. The PEDOT:PSS, an aqueous composite, is one of the most successful conducting polymers, and has found a broad range of applications including use in modified electrodes, solar cells, and electroluminescent devices. The film formation of PEDOT:PSS is easily obtained through the spin coating method. The resultant film has an amorphous crystalline structure that is known to have high TCR values. These interesting features suggest that the PEDOT:PSS film is applicable to microbolometer array fabrication. We demonstrated the TCR and 1/f noise dependencies of PEDOT:PSS thin films on the thermal treatment conditions. Thermal treatment was carried out in a temperature range of 200-350oC with time periods ranging from 5-100 minutes under the nitrogen ambient. It was found that the resistivity, and thereby the TCR and 1/f noise factor k, of the PEDOT:PSS can be modified by specific thermal treatment conditions. It was also showed that the appropriate heat treatment can suppress the 1/f noise of the PEDOT:PSS thin film while maintaining the resistivity and TCR. It was thus concluded that the PEDOT:PSS has potential for use as a bolometer material. This paper presents a performance evaluation and analysis of the PEDOT:PSS based bolometer on the basis of the figure of merit (TCR over Noise). An optimized figure of merit is also presented. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) / Bolometer / TCR / 1/f noise / figure of merit / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 122, SDM2008-87, pp. 149-154, July 2008. | |
| Paper # | SDM2008-87 | |
| Date of Issue | 2008-07-02 (ED, SDM) | |
| 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 | ED2008-68 SDM2008-87 Link to ES Tech. Rep. Archives: ED2008-68 SDM2008-87 |
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| Conference Information | |
| Committee | SDM ED |
| Conference Date | 2008-07-09 - 2008-07-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kaderu２・７ |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | 2008 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices |
| Paper Information | |
| Registration To | SDM |
| Conference Code | 2008-07-SDM-ED |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) (PEDOT:PSS) Films for The Microbolometer Applications |
| Sub Title (in English) | |
| Keyword(1) | Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) |
| Keyword(2) | Bolometer |
| Keyword(3) | TCR |
| Keyword(4) | 1/f noise |
| Keyword(5) | figure of merit |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hyeok Jun Son |
| 1st Author's Affiliation | Korea Advanced Institute of Science and Technology (KAIST) |
| 2nd Author's Name | Il Woong Kwon |
| 2nd Author's Affiliation | Korea Advanced Institute of Science and Technology (KAIST) |
| 3rd Author's Name | Ho Jun You |
| 3rd Author's Affiliation | Electronics and Telecommunications Research Institute (ETRI) |
| 4th Author's Name | Yong Soo Lee |
| 4th Author's Affiliation | Korea Advanced Institute of Science and Technology (KAIST) |
| 5th Author's Name | Hee Chul Lee |
| 5th Author's Affiliation | Korea Advanced Institute of Science and Technology (KAIST) |
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| Speaker | Author-1 |
| Date Time | 2008-07-10 10:40:00 |
| Presentation Time | 15 minutes |
| Registration for | SDM |
| Paper # | ED2008-68, SDM2008-87 |
| Volume (vol) | vol.108 |
| Number (no) | no.121(ED), no.122(SDM) |
| Page | pp.149-154 |
| #Pages | 6 |
| Date of Issue | 2008-07-02 (ED, SDM) |
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