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Park, Jang-Ung
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Highly Transparent, Wearable Alcohol Sensors for Wireless Detection Using Metal Oxide-Metal Nanowire Hybrid Structures

Author(s)
Kim, JooheeKim, So-YunJeong, Gyu JeongPark, Jang-Ung
Issued Date
2016-03-31
URI
https://scholarworks.unist.ac.kr/handle/201301/40728
Fulltext
https://mrsspring.zerista.com/event/member/243120
Citation
2016 MRS (Materials Research Society) Spring meeting
Abstract
Electronic systems that enable bio-sensing of physiological conditions with wireless communication in wearable platforms are growing interests in the next-generation electronics. To realize hands-free detectors, recent advances are developed by incorporating bio-sensor into power transmission coil or Bluetooth modules to eliminate the use of onboard battery and cumbersome external connection.
In addition, for the fabrication electronics in wearable form remaining the key elements such as flexibility and transparency, recent research suggests considerable types of strategies compared to use of conventional ITO electrode, in which metal nanowires (NWs) electrode is a powerful candidate due to their mechanical flexibility, conductivity, and transparency. Also, for the fabrication of highly sensitive and selective alcohol sensor, metal oxide-based materials are suitable for detection of reducing or oxidizing gases by current measurements.
In this talk, we presented wearable, transparent, and wireless alcohol gas sensor based on hybrid structures using metal oxide materials and metal NWs. This alcohol sensors show excellent properties against mechanical loading which provides advantages to fabrication of wearable electronics. Also, the real-time sensing of alcohol gas exhibits high sensitivity by responding below 250 ppm and high-reliability in terms of time (~15 days). Furthermore, we demonstrated the real-time, wireless detector for monitoring the alcohol gas by integrating a resonant circuit or Bluetooth modules into the devices. We believe that the advance of these device suggest a substantial promise application in future electronics.
Publisher
Materials Research Society

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