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. Author manuscript; available in PMC: 2019 Mar 4.
Published in final edited form as: Chem Rev. 2018 Sep 18;119(1):599–663. doi: 10.1021/acs.chemrev.8b00340

Figure 39.

Figure 39.

Poly(ionic liquid)-wrapped SWCNTs for detection of CO2. (a) Schematic of the sensors comprising poly[1-(4-vinylbenzyl)-3-methylimidazolium tetrafluoroborate (PIL) and SWCNTs. (b) TEM image of an individual SWCNTs partially wrapped by PIL. (c) Change in the resistance of the PIL/SWCNTs sensors when exposed to increasing concentration of CO2. Exposure to UV light in N2 was used to recover the sensors to the baseline. (d) Sensitivity toward interfering gases and the effects of humidity. Reproduced with permission from Ref. 558. Copyright 2012, The Royal Society of Chemistry.