Ultrahigh Sensitive Au-Doped Silicon Nanomembrane　Based Wearable Sensor Arrays for Continuous Skin　Temperature Monitoring with High Precision

Sang Mingyu; Kang Kyowon; Zhang YueZhang HaozheKim KihoCho MyeongkiShin JongwoonHong Jung-HoonKim TaeminLee Shin KyuYeo Woon-HongLee Jung WooLee TaeyoonXu BaoxingYu Ki Jun

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Ultrahigh Sensitive Au-Doped Silicon Nanomembrane　Based Wearable Sensor Arrays for Continuous Skin　Temperature Monitoring with High Precision

机译：Ultrahigh Sensitive Au-Doped Silicon Nanomembrane　Based Wearable Sensor Arrays for Continuous Skin　Temperature Monitoring with High Precision

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摘要

Monitoring the body temperature with high accuracy provides a fast, facile, yet powerful route about the human body in a wide range of health information standards. Here, the first ever ultrasensitive and stretchable gold-doped silicon nanomembrane (Au-doped SiNM) epidermal temperature sensor array is introduced. The ultrasensitivity is achieved by shifting freeze-out region to intrinsic region in carrier density and modulation of fermi energy level of p-type SiNM through the development of a novel gold-doping strategy. The Au-doped SiNM is readily transferred onto an ultrathin polymer layer with a well-designed serpentine mesh structure, capable of being utilized as an epidermal temperature sensor array. Measurements in vivo and in vitro show temperature coefficient of resistance as high as -37270.72 ppm degrees C-1, 22 times higher than existing metal-based temperature sensors with similar structures, and one of the highest thermal sensitivity among the inorganic material based temperature sensors. Applications in the continuous monitoring of body temperature and respiration rate during exercising are demonstrated with a successful capture of information. This work lays a foundation for monitoring body temperature, potentially useful for precision diagnosis (e.g., continuous monitoring body temperature in coronavirus disease 2019 cases) and management of disease relevance to body temperature in healthcare.

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来源
《Advanced Materials》 |2022年第4期|2105865.1-2105865.10|共10页
作者
Sang Mingyu; Kang Kyowon; Zhang YueZhang HaozheKim KihoCho MyeongkiShin JongwoonHong Jung-HoonKim TaeminLee Shin KyuYeo Woon-HongLee Jung WooLee TaeyoonXu BaoxingYu Ki Jun;
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作者单位

Yonsei Univ, Funct Biointegrated Elect & Energy Management Lab, Sch Elect & Elect Engn, 50 Yonsei Ro, Seoul 03722, South Korea;

Univ Virginia, Dept Mech & Aerosp Engn, Charlottesville, VA 22904 USA;

Gachon Univ, Dept Elect Engn, Funct Oxide Lab, 1342 Seongam Daero, Seongnam Si 13120, Gyeonggi Do, South KoreaGeorgia Inst Technol, George W Woodruff Sch Mech Engn, Biointerfaced Translat Nanoengn Grp, Atlanta, GA 30332 USAPusan Natl Univ, Sch Mat Sci & Engn, Energy Mat Soft Elect Lab, Busan 46241, South KoreaYonsei Univ, Sch Elect & Elect Engn, YU KIST Inst, 50 Yonsei Ro, Seoul 03722, South Korea|Yonsei Univ, Sch Elect & Elect Engn, NanoBio Device Lab, Seoul 03722, South KoreaYonsei Univ, Funct Biointegrated Elect & Energy Management Lab, Sch Elect & Elect Engn, 50 Yonsei Ro, Seoul 03722, South Korea|Yonsei Univ, Sch Elect & Elect Engn, YU KIST Inst, 50 Yonsei Ro, Seoul 03722, South Korea;

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正文语种英语
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epidermal electronics; gold-doped silicon nanomembranes; high-precision thermal monitoring;

Ultrahigh Sensitive Au-Doped Silicon Nanomembrane Based Wearable Sensor Arrays for Continuous Skin Temperature Monitoring with High Precision

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Ultrahigh Sensitive Au-Doped Silicon Nanomembrane　Based Wearable Sensor Arrays for Continuous Skin　Temperature Monitoring with High Precision