Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing

Lobotka, P.; Kunzo, Pavol; Kováčová, Eva; Vávra, I.; Križanová, Z.; Šmatko, V.; Stejskal, Jaroslav; Konyushenko, Elena N.; Omastová, Mária; Špitálský, Zdenko; Mičušík, Matej; Krupa, Igor

doi:10.1016/j.tsf.2011.01.177

Cited by 55 publications

(36 citation statements)

References 11 publications

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“…[212] Ther ational design of materials that combine CPs with nonconductive polymers, [213,214] carbon-based materials, [215][216][217][218] metal nanoparticles [219,220] and oxides, [221] or biological materials [222,223] has been reported. [212] Ther ational design of materials that combine CPs with nonconductive polymers, [213,214] carbon-based materials, [215][216][217][218] metal nanoparticles [219,220] and oxides, [221] or biological materials [222,223] has been reported.…”

Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

“…Composites with CPs can produce materials with superior properties,s uch as high selectivity and sensitivity,e nhanced resistance to humidity,l ow detection limits,l ow sensing temperatures,a nd enhanced stability. [212] Ther ational design of materials that combine CPs with nonconductive polymers, [213,214] carbon-based materials, [215][216][217][218] metal nanoparticles [219,220] and oxides, [221] or biological materials [222,223] has been reported. CPs can serve as am atrix for as econdary material or can be decorated with nanostructures in an organized manner.…”

Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

“…CPs can serve as am atrix for as econdary material or can be decorated with nanostructures in an organized manner. [130,224,225] Polyaniline (PANI) has been widely investigated and combined with carbon-based materials [226] such as CNTs [215,216] or metal oxides. [221] "One-pot" procedures are used where aniline is oxidatively polymerized in the presence of CNTs.…”

Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

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Nanowire Chemical/Biological Sensors: Status and a Roadmap for the Future

et al. 2015

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Chemiresistive sensors are becoming increasingly important as they offer an inexpensive option to conventional analytical instrumentation, they can be readily integrated into electronic devices, and they have low power requirements. Nanowires (NWs) are a major theme in chemosensor development. High surface area, interwire junctions, and restricted conduction pathways give intrinsically high sensitivity and new mechanisms to transduce the binding or action of analytes. This Review details the status of NW chemosensors with selected examples from the literature. We begin by proposing a principle for understanding electrical transport and transduction mechanisms in NW sensors. Next, we offer the reader a review of device performance parameters. Then, we consider the different NW types followed by a summary of NW assembly and different device platform architectures. Subsequently, we discuss NW functionalization strategies. Finally, we propose future developments in NW sensing to address selectivity, sensor drift, sensitivity, response analysis, and emerging applications.

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Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

Section: Physical Mixtures Of Cp Nwsmentioning

confidence: 99%

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Nanowire Chemical/Biological Sensors: Status and a Roadmap for the Future

et al. 2015

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“…Sensors based on conductive polymer composites are based on the principle of the absorption of the analyte leading to the polymer swelling, which results in an increase in volume, disrupting conductive pathways and leading to a decrease in the conductivity that enables the sensing of some liquids and gases . For example, in the study of Pötschke et al , poly(lactic acid) blended with MWCNTs was melt spun to obtain electrically conductive fibers.…”

Section: Potential Applicationsmentioning

confidence: 99%

Electrospun Copolyamide Mats Modified by Functionalized Multiwall Carbon Nanotubes

et al. 2018

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In this article, we report the preparation and properties of electro‐conductive mats based on the commercial copolyamide (Vestamelt X1010) and multiwall carbon nanotubes functionalized by amino groups. Vestamelt X1010 is easily soluble in n‐propanol at room temperature up to a concentration of 18 wt%. This is a significant advantage of this system because n‐propanol is considered to be a safe and relatively environmentally friendly solvent compared with the organic solvents and acids frequently used for electrospinning of common synthetic polymers. The co‐polyamide nanofibers were modified by multiwall carbon nanotubes grafted by amino groups to enhance their electrical conductivity at low filler content. The percolation threshold was found to be 0.33 vol%. Some applications of these mats were demonstrated such as the capability for sensing a selected vapor (acetone) and for oil/water separation. It was shown that neat Vestamelt X1010 mats remove around 85 wt% of oil (100 ppm of vegetable oil dispersed in water), whereas the addition of 1 wt% of CNTs enhances this ability up to 95 wt%. POLYM. COMPOS., 40:E1451–E1460, 2019. © 2018 Society of Plastics Engineers

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“…CNT-PANI composite has been reported useful for sensitive, linear and stable pH and gas sensing [21][22][23] , phenol and nitrite detection [24,25] , cesium determination from radioactive wastes [26] , and H 2 O 2 , acetaminophen and dopamine sensing [27][28][29] . In one of the studies, pyrene sulfonic acid-functionalized SWCNTs embedded in the PANI were used for the detection of glucose [30] .…”

Section: Introductionmentioning

confidence: 99%

Highly Sensitive Glucose Sensing With Multi-Walled Carbon Nanotubes – Polyaniline Composite

Sharma

Kumar

Deep

2012

Polymer-Plastics Technology and Engineering

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Multi-walled carbon nanotubes (MWCNTs) have been carboxylated and then immobilized with glucose oxidase (GOx) by amine coupling through EDC-NHS chemistry. These functionalized MWCNTs have been introduced into polyaniline matrix by electrochemical method. The different involved steps have been characterized with molecular and electronic spectroscopy. Prepared thin films preserved the enzymatic activity of GOx and their average electrical conductivity was measured as 3.78 Â 10 À1 S cm À1 . Observed response time was 5 s and a linear pattern of current vs. concentration was recorded for 0.5-22 mM glucose.

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Thin polyaniline and polyaniline/carbon nanocomposite films for gas sensing

Cited by 55 publications

References 11 publications

Nanowire Chemical/Biological Sensors: Status and a Roadmap for the Future

Nanowire Chemical/Biological Sensors: Status and a Roadmap for the Future

Electrospun Copolyamide Mats Modified by Functionalized Multiwall Carbon Nanotubes

Highly Sensitive Glucose Sensing With Multi-Walled Carbon Nanotubes – Polyaniline Composite

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