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  • Son, Dang NgocHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)

A novel design and fabrication of self-heated In2O3 nanowire gas sensor on for ethanol detection

  • Article/chapterEnglish2022

Publisher, publication year, extent ...

  • Elsevier,2022
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:uu-482743
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-482743URI
  • https://doi.org/10.1016/j.sna.2022.113769DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Many attempts have been made on the design and fabrication of low-power consumption gas sensor for application on the Internet of Things and portable devices. The performance of gas sensors includes sensitivity, selectivity, and power consumption, which are strongly dependent on the configuration of the device such as the gap size between two electrodes, the sensing material, and operation principle. Here, self-heated In2O3 nanowire-based gas sensors were designed and fabricated by on-chip growth technique via thermal evaporation to work at room temperature. The effect of electrode gap (10-40 mu m) on the power consumption and gas sensing performance of the In2O3 nanowire sensors was studied. With the large gap of 40 mu m, the sensor exhibited excellent sensing characteristics of low power consumption (1.06 mW) with ability to detect ethanol gas down to 20 ppm effectively. We also examined the role of nanowire conductivity in the performance of the self-heated sensor in the detection of reducing gas. The sensor demonstrated rapid response and recovery times of less than a minute, exceptional stability, and remarkable recovery.

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  • Hung, Chu ManhHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Le, Dang Thi ThanhHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Xuan, Chu ThiHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Van Duy, NguyenHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Dich, Nguyen QuangHanoi Univ Sci & Technol HUST, Inst Control Engn & Automation, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Nguyen, Hugo,1955-Uppsala universitet,Mikrosystemteknik(Swepub:uu)hugonguy (author)
  • Van Hieu, NguyenPhenikaa Univ, Fac Elect & Elect Engn, Yen Nghia, Hanoi, Vietnam. (author)
  • Hoa, Nguyen DucHanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam. (author)
  • Hanoi Univ Sci & Technol HUST, Int Training Inst Mat Sci ITIMS, 1 Dai Co Viet, Hanoi, Vietnam.Hanoi Univ Sci & Technol HUST, Inst Control Engn & Automation, 1 Dai Co Viet, Hanoi, Vietnam. (creator_code:org_t)

Related titles

  • In:Sensors and Actuators A-Physical: Elsevier3450924-42471873-3069

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