Non-covalently anchored multi-walled carbon nanotubes with hexa-decafluorinated zinc phthalocyanine as ppb level chemiresistive chlorine sensor

Non-covalently anchored multi-walled carbon nanotubes with hexa-decafluorinated zinc... Article history: A cost effective solution assembly method has been explored for preparing Received 30 March 2017 zinc(II)1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexa-decafluoro-29H,31H-phthalocyanine/multi- Received in revised form 5 July 2017 walled carbon nanotubes (F ZnPc/MWCNTs-COOH) hybrid. Fourier transform infrared spectroscopy Accepted 4 August 2017 (FT-IR), Raman spectroscopy, transmission electron microscopy (TEM) and field emission scanning Available online 7 August 2017 electron microscopy (FE-SEM) investigations confirm the non-covalent anchoring of F ZnPc onto MWCNTs-COOH through п-п stacking interactions. Further, a highly sensitive and selective chemire- Keywords: sistive Cl sensor has been fabricated using F ZnPc/MWCNTs-COOH hybrid. The response of sensor 2 16 Hexadecafluorinated zinc phthalocyanine is found to be 21.28% for 2 ppm of Cl with a response time of 14 s and theoretical detection limit of Carbon nanotubes the sensor is found down to 0.06 ppb. The improved Cl sensing characteristics of hybrid are found to Chlorine sensor be originated from the synergetic interaction between F ZnPc and MWCNTs-COOH. The underlying Gas sensing mechanism 16 Raman mechanism for improved gas sensing performance of F ZnPc/MWCNTs-COOH sensor towards Cl has 16 2 X-ray photoelectron and electrochemical been explained using Raman, X-ray photoelectron spectroscopy (XPS) and electrochemical impedance impedance spectroscopy spectroscopy (EIS) studies. © 2017 Elsevier http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Non-covalently anchored multi-walled carbon nanotubes with hexa-decafluorinated zinc phthalocyanine as ppb level chemiresistive chlorine sensor

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.040
Publisher site
See Article on Publisher Site

Abstract

Article history: A cost effective solution assembly method has been explored for preparing Received 30 March 2017 zinc(II)1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexa-decafluoro-29H,31H-phthalocyanine/multi- Received in revised form 5 July 2017 walled carbon nanotubes (F ZnPc/MWCNTs-COOH) hybrid. Fourier transform infrared spectroscopy Accepted 4 August 2017 (FT-IR), Raman spectroscopy, transmission electron microscopy (TEM) and field emission scanning Available online 7 August 2017 electron microscopy (FE-SEM) investigations confirm the non-covalent anchoring of F ZnPc onto MWCNTs-COOH through п-п stacking interactions. Further, a highly sensitive and selective chemire- Keywords: sistive Cl sensor has been fabricated using F ZnPc/MWCNTs-COOH hybrid. The response of sensor 2 16 Hexadecafluorinated zinc phthalocyanine is found to be 21.28% for 2 ppm of Cl with a response time of 14 s and theoretical detection limit of Carbon nanotubes the sensor is found down to 0.06 ppb. The improved Cl sensing characteristics of hybrid are found to Chlorine sensor be originated from the synergetic interaction between F ZnPc and MWCNTs-COOH. The underlying Gas sensing mechanism 16 Raman mechanism for improved gas sensing performance of F ZnPc/MWCNTs-COOH sensor towards Cl has 16 2 X-ray photoelectron and electrochemical been explained using Raman, X-ray photoelectron spectroscopy (XPS) and electrochemical impedance impedance spectroscopy spectroscopy (EIS) studies. © 2017 Elsevier

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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