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. 2014 Feb 20;14(2):3604–3630. doi: 10.3390/s140203604

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 10. — (a) TEM image of PPy/Ag-AgCl nanotubes; (b) Response of (i) PPy nanotubes and (ii) PPy/Ag-AgCl nanotubes upon exposure to 100 ppm of NH₃. Adapted with permission from Ref. [58]; Copyright 2010, Elsevier B.V; (c) TEM images of silver/PEDOT nanotubes; (d) The sensing performances toward 1–100 ppm NH₃ gases. Adapted with permission from [59]; Copyright 2012, Royal Society of Chemistry.

Figure 10. — (a) TEM image of PPy/Ag-AgCl nanotubes; (b) Response of (i) PPy nanotubes and (ii) PPy/Ag-AgCl nanotubes upon exposure to 100 ppm of NH₃. Adapted with permission from Ref. [58]; Copyright 2010, Elsevier B.V; (c) TEM images of silver/PEDOT nanotubes; (d) The sensing performances toward 1–100 ppm NH₃ gases. Adapted with permission from [59]; Copyright 2012, Royal Society of Chemistry.