Highly strain-tolerant, disposable gas sensor on plastic wrap using two-dimensional hybrid nanomaterials
- Authors
- Kim, Ja-Hyun; Ta, Qui Thanh Hoai; Noh, Jin-Seo
- Issue Date
- Dec-2022
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Stretchable gas sensor; Disposable sensor; rGO; NO2 gas
- Citation
- MATERIALS CHEMISTRY AND PHYSICS, v.292
- Journal Title
- MATERIALS CHEMISTRY AND PHYSICS
- Volume
- 292
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86009
- DOI
- 10.1016/j.matchemphys.2022.126820
- ISSN
- 0254-0584
- Abstract
- Highly stretchable and disposable gas sensors were fabricated on household polyethylene (PE) wrap, employing rGO/Ti3C2Tx MXene hybrid as gas-detecting medium. The fabrication procedure simply consisted of solution mixing of components and drop casting of the mixture. Furthermore, the PE wrap was cheap, stretchable, and sticky, well-fitting for one-time usable sensor applications. The rGO/Ti3C2Tx hybrid particles were evenly distributed on PE, while rGO and Ti3C2Tx MXene were in good contact in individual hybrid particles. The as -fabricated gas sensors could endure large strains of >100%, and responded to nitrogen dioxide (NO2) and methane (CH4) gases at room temperature. Notably, a stretchable gas sensor with optimal material combination retained good sensitivity to NO2 even under large strains up to 100%. No response degradation was observed. The enhanced gas response and superb strain endurance were explained on the basis of the synergistic interplay of structural components.
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