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A flexible ammonia ...
A flexible ammonia sensor based on MXene membrane with high sensitivity
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- Zhao, Qian (author)
- Dalian Univ Technol, Peoples R China; Dalian Univ Technol, Peoples R China
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- Li, Yilin (author)
- Dalian Univ Technol, Peoples R China
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- Zhang, Zhouxiaolong (author)
- Dalian Univ Technol, Peoples R China
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- Dai, Li (author)
- Dalian Med Univ, Peoples R China; Dalian Med Univ, Peoples R China
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- Liu, Xuhan (author)
- Dalian Municipal Cent Hosp, Peoples R China; Dalian Municipal Cent Hosp, Peoples R China
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- Sun, Yanhui (author)
- Dalian Minzu Univ, Peoples R China; Dalian Minzu Univ, Peoples R China
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- Zhao, Dan (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Zhu, Nan (author)
- Dalian Univ Technol, Peoples R China; Dalian Univ Technol, Peoples R China; Dalian Univ Technol, Peoples R China
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(creator_code:org_t)
- 2024
- 2024
- English.
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In: Electroanalysis. - : WILEY-V C H VERLAG GMBH. - 1040-0397 .- 1521-4109.
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Ammonia (NH3) of high concentration will pose a threat to ecological environment or human health, and exhaled NH3 is significant in disease monitoring and diagnosis. Thus, developing a highly sensitive gas sensor is significant to monitor NH3 concentration in complex environments. However, traditional NH3 sensors either need high working temperature, or face the challenge of poor conductivity/ sensitivity. In this work, NH3 sensors based on self-assembled MXene membrane have been fabricated. As-prepared sensors show a high sensitivity of 2.10 ppm-1 towards extremely low concentrations of NH3 (ppb level) at room temperature, attributed to large surface area and high conductivity. In addition, the sensors also display low detection limit (50 ppb), fast response time (41 s), good recoverability, long-term stability (15 days) and excellent flexibility (1000 bending cycles) towards NH3. The results provide insights into the development of highly sensitive NH3 sensors for industrial or biomedical applications. image
Subject headings
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Keyword
- ammonia sensor; high sensitivity; MXene membrane; room temperature
Publication and Content Type
- ref (subject category)
- art (subject category)
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