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Issue 48, 2015
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A wearable and highly sensitive CO sensor with a macroscopic polyaniline nanofiber membrane

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Abstract

A wearable CO sensor based on a macroscopic membrane which consists of polyaniline (PANI) coated electrospun nanofibers is reported. The membrane material has a centimeter range macro-film shape with highly porous networks and an ultra-fine nanofiber structure modified with PANI nanocones by an in situ polymerization route, making it a suitable candidate for sensing materials. Sensors based on the macro-PANI nanofiber membrane are constructed, displaying a rapid response (20 s) to CO with a high detection limit (2.5 ppb) at room temperature. Furthermore, by replacing the nanofiber template with natural cotton fibers, a sensing material towards wearable sensors is manufactured and excellent sensing responses are also detected. This work provides a simple process to make macroscale sensing materials with homogeneous, subtle nanoscale architecture and offers significant opportunities for wearable sensors.

Graphical abstract: A wearable and highly sensitive CO sensor with a macroscopic polyaniline nanofiber membrane

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Publication details

The article was received on 26 Aug 2015, accepted on 02 Nov 2015 and first published on 05 Nov 2015


Article type: Paper
DOI: 10.1039/C5TA06734K
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Citation: J. Mater. Chem. A, 2015,3, 24333-24337
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    A wearable and highly sensitive CO sensor with a macroscopic polyaniline nanofiber membrane

    J. Zhao, G. Wu, Y. Hu, Y. Liu, X. Tao and W. Chen, J. Mater. Chem. A, 2015, 3, 24333
    DOI: 10.1039/C5TA06734K

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