Sensory Arrays of Covalently Functionalized Single-Walled Carbon Nanotubes for Explosive Detection
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Swager_manuscript-2.pdf
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Author(s)
van der Zwaag, Daan
Weizmann, Yossi
Schnorr, Jan Markus
Walish, Joseph John
Swager, Timothy Manning
Date Issued
May 2013
Journal
Advanced Functional Materials
Publisher
Wiley Blackwell
Citation
Schnorr, Jan M., Daan van der Zwaag, Joseph J. Walish, Yossi Weizmann, and Timothy M. Swager. “Sensory Arrays of Covalently Functionalized Single-Walled Carbon Nanotubes for Explosive Detection.” Advanced Functional Materials 23, no. 42 (November 13, 2013): 5285-5291.
Version
Author's final manuscript
Abstract
Chemiresistive sensor arrays for cyclohexanone and nitromethane are fabricated using single-walled carbon nanotubes (SWCNTs) that are covalently functionalized with urea, thiourea, and squaramide containing selector units. Based on initial sensing results and [superscript 1]H NMR binding studies, the most promising selectors are chosen and further optimized. These optimized selectors are attached to SWCNTs and simultaneously tested in a sensor array. The sensors show a very high level of reproducibility between measurements with the same sensor and across different sensors of the same type. Furthermore, the sensors show promising long-term stability, which renders them suitable for practical applications.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1002/adfm.201300131
