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A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes
นักวิจัย : Zhao, Weiyun , Fam, Derrick Wen Hui , Yin, Zongyou , Sun, Ting , Tan, Huiteng , Liu, Weiling , Tok, Alfred Iing Yoong , Boey, Freddy Yin Chiang , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Zhao, W., Fam, D. W. H., Yin, Z., Sun, T., Tan, H. T., Liu, W., et al. (2012). A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes. Nanotechnology, 23(42). , 0957-4484 , http://hdl.handle.net/10220/10661 , http://dx.doi.org/10.1088/0957-4484/23/42/425502
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Nanotechnology
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Carbon monoxide (CO) is a highly toxic gas that can be commonly found in many places. However, it is not easily detected by human olfaction due to its colorless and odorless nature. Therefore, highly sensitive sensors need to be developed for this purpose. Carbon nanotubes (CNTs) have an immense potential in gas sensing. However, CNT-based gas sensors for sensing CO are seldom reported due to the lack of reactivity between CO and CNTs. In this work, O2 plasma modified CNT was used to fabricate a CNT gas sensor. The plasma treated CNTs showed selectively towards CO, with the capability of sensing low concentrations of CO (5 ppm) at room temperature, while the pristine CNTs showed no response. UV spectra and oxygen reduction reaction provided evidence that the difference in sensing property was due to the elimination of metallic CNTs and enhancement of the oxygen reduction property.

บรรณานุกรม :
Zhao, Weiyun , Fam, Derrick Wen Hui , Yin, Zongyou , Sun, Ting , Tan, Huiteng , Liu, Weiling , Tok, Alfred Iing Yoong , Boey, Freddy Yin Chiang , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . (2555). A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Zhao, Weiyun , Fam, Derrick Wen Hui , Yin, Zongyou , Sun, Ting , Tan, Huiteng , Liu, Weiling , Tok, Alfred Iing Yoong , Boey, Freddy Yin Chiang , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . 2555. "A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Zhao, Weiyun , Fam, Derrick Wen Hui , Yin, Zongyou , Sun, Ting , Tan, Huiteng , Liu, Weiling , Tok, Alfred Iing Yoong , Boey, Freddy Yin Chiang , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . "A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Zhao, Weiyun , Fam, Derrick Wen Hui , Yin, Zongyou , Sun, Ting , Tan, Huiteng , Liu, Weiling , Tok, Alfred Iing Yoong , Boey, Freddy Yin Chiang , Zhang, Hua , Hng, Huey Hoon , Yan, Qingyu . A carbon monoxide gas sensor using oxygen plasma modified carbon nanotubes. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.