Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 256, Issue -, Pages 896-904Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.10.028
Keywords
Vapor sensing; Volatile organic compounds detection; Conductive composite fiber; Carbon nanotubes; Poly(styrene-butadiene-styrene)
Funding
- Shanghai Fundamental Research Projects [16JC1400701]
- Program for Changjiang Scholars and Innovative Research Team in University [IRT16R13]
- State Key Laboratory of for Modification of Chemical Fibers and Polymer Materials, Donghua University [LK1607]
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So far, it remains a great challenge to construct organic vapor sensor that can simultaneously achieve high sensitivity, wide detection range, and fast response. Herein, we demonstrate the fabrication of organic vapor sensor based on poly( styrene-butadiene-styrene)/carbon nanotube (SBS/CNT) hybrid fiber using the scalable wet spinning process. The SBS/CNT hybrid fiber-based vapor sensor exhibits a high sensitivity in wide workable detection range (e.g. responsivity of 19% and 256% for 10% acetone and cyclohexane vapors, respectively), rapid response time (<= 40 s), good reproducibility as well as excellent mechanical reliability. Moreover, such sensor can quantitatively detect the concentration of organic vapor of as low as 2% in the atmosphere. Such performances demonstrate their great potential applications in wearable and flexible electronics for VOCs monitoring. (C) 2017 Elsevier B.V. All rights reserved.
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