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Kawabata R, Li K, Araki T, Akiyama M, Sugimachi K, Matsuoka N, Takahashi N, Sakai D, Matsuzaki Y, Koshimizu R, Yamamoto M, Takai L, Odawara R, Abe T, Izumi S, Kurihira N, Uemura T, Kawano Y, Sekitani T. Ultraflexible Wireless Imager Integrated with Organic Circuits for Broadband Infrared Thermal Analysis. Adv Mater 2024; 36:e2309864. [PMID: 38213132 DOI: 10.1002/adma.202309864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/22/2023] [Indexed: 01/13/2024]
Abstract
Flexible imagers are currently under intensive development as versatile optical sensor arrays, designed to capture images of surfaces and internals, irrespective of their shape. A significant challenge in developing flexible imagers is extending their detection capabilities to encompass a broad spectrum of infrared light, particularly terahertz (THz) light at room temperature. This advancement is crucial for thermal and biochemical applications. In this study, a flexible infrared imager is designed using uncooled carbon nanotube (CNT) sensors and organic circuits. The CNT sensors, fabricated on ultrathin 2.4 µm substrates, demonstrate enhanced sensitivity across a wide infrared range, spanning from near-infrared to THz wavelengths. Moreover, they retain their characteristics under bending and crumpling. The design incorporates light-shielded organic transistors and circuits, functioning reliably under light irradiation, and amplifies THz detection signals by a factor of 10. The integration of both CNT sensors and shielded organic transistors into an 8 × 8 active-sensor matrix within the imager enables sequential infrared imaging and nondestructive assessment for heat sources and in-liquid chemicals through wireless communication systems. The proposed imager, offering unique functionality, shows promise for applications in biochemical analysis and soft robotics.
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Affiliation(s)
- Rei Kawabata
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kou Li
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Teppei Araki
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Mihoko Akiyama
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kaho Sugimachi
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Division of Applied Science, School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Nozomi Matsuoka
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Division of Applied Science, School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Norika Takahashi
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Daiki Sakai
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Yuto Matsuzaki
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Ryo Koshimizu
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Minami Yamamoto
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Leo Takai
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Ryoga Odawara
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Takaaki Abe
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
| | - Shintaro Izumi
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe, Hyogo, 657-8501, Japan
| | - Naoko Kurihira
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
| | - Takafumi Uemura
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, Osaka, 565-0871, Japan
| | - Yukio Kawano
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
- National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo, 101-8430, Japan
| | - Tsuyoshi Sekitani
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1, Mihogaoka, Ibaraki-shi, Osaka, 567-0047, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, Osaka, 565-0871, Japan
- Division of Applied Science, School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
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Araki T, Li K, Suzuki D, Abe T, Kawabata R, Uemura T, Izumi S, Tsuruta S, Terasaki N, Kawano Y, Sekitani T. Broadband Photodetectors and Imagers in Stretchable Electronics Packaging. Adv Mater 2023:e2304048. [PMID: 37403808 DOI: 10.1002/adma.202304048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/22/2023] [Accepted: 07/03/2023] [Indexed: 07/06/2023]
Abstract
The integration of flexible electronics with optics can help realize a powerful tool that facilitates the creation of a smart society wherein internal evaluations can be easily performed nondestructively from the surface of various objects that is used or encountered in daily lives. Here, organic-material-based stretchable optical sensors and imagers that possess both bending capability and rubber-like elasticity are reviewed. The latest trends in nondestructive evaluation equipment that enable simple on-site evaluations of health conditions and abnormalities are discussed without subjecting the targeted living bodies and various objects to mechanical stress. Real-time performance under real-life conditions is becoming increasingly important for creating smart societies interwoven with optical technologies. In particular, the terahertz (THz)-wave region offers a substance- and state-specific fingerprint spectrum that enables instantaneous analyses. However, to make THz sensors accessible, the following issues must be addressed: broadband and high-sensitivity at room temperature, stretchability to follow the surface movements of targets, and digital transformation compatibility. The materials, electronics packaging, and remote imaging systems used to overcome these issues are discussed in detail. Ultimately, stretchable optical sensors and imagers with highly sensitive and broadband THz sensors can facilitate the multifaceted on-site evaluation of solids, liquids, and gases.
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Affiliation(s)
- Teppei Araki
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, 565-0871, Osaka, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Kou Li
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, 112-8551, Tokyo, Japan
| | - Daichi Suzuki
- Sensing System Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 807-1, Shuku-machi, Tosu, 841-0052, Saga, Japan
| | - Takaaki Abe
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
| | - Rei Kawabata
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, 565-0871, Osaka, Japan
| | - Takafumi Uemura
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, 565-0871, Osaka, Japan
| | - Shintaro Izumi
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
- Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai-cho, Nada-ku, 657-8501, Kobe, Japan
| | - Shuichi Tsuruta
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
| | - Nao Terasaki
- Sensing System Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 807-1, Shuku-machi, Tosu, 841-0052, Saga, Japan
| | - Yukio Kawano
- Department of Electrical, Electronic, and Communication Engineering, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, 112-8551, Tokyo, Japan
- National Institute of Informatics, Tokyo, 101-8430, Japan
| | - Tsuyoshi Sekitani
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki-shi, 567-0047, Osaka, Japan
- Advanced Photonics and Biosensing Open Innovation Laboratory, National Institute of Advanced Industrial Science and Technology (AIST), 2-1 Yamada-Oka, Suita, 565-0871, Osaka, Japan
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, 565-0871, Osaka, Japan
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