Calix[4]pyrrole-decorated carbon nanotubes on paper for sensing acetone vapor

Elif Baysak, Samet Yuvayapan, Abdullah Aydogan*, Gurkan Hizal

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20 Atıf (Scopus)

Özet

Noncovalent side-wall functionalization of SWCNT with a pyrene bearing calix[4]pyrrole is reported. The modified SWCNT has been characterized by scanning electron microscopy, electron dispersive spectroscopy, and thermogravimetric analysis. This calix[4]pyrrole-decorated SWCNT based sensor was implemented on filter paper. The resistance change of SWCNT network upon VOC exposure was monitored in the chemiresistors approach. The calix[4]pyrrole-decorated SWCNT sensor on filter paper was found to show fast and selective sensing of acetone when compared with pristine SWCNT-on-paper sensor due to the binding of acetone by calix[4]pyrrole molecules. The sensor showed logarithmic response toward acetone in a concentration range between 20–500 ppm.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)484-491
Sayfa sayısı8
DergiSensors and Actuators, B: Chemical
Hacim258
DOI'lar
Yayın durumuYayınlandı - 1 Nis 2018

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Publisher Copyright:
© 2017 Elsevier B.V.

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