Synthesis and characterization of polyaniline–carboxylated PVC composites: Application in development of ammonia sensor

Singh, Vandana; Mohan, Swati; Singh, G.; Pandey, Prem C.; Prakash, Rajiv

doi:10.1016/j.snb.2008.01.007

Cited by 79 publications

(41 citation statements)

References 33 publications

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“…A particular advantage of conducting polymer-based sensors is the relative ease with which they can be modified either to improve sensitivity and selectivity or allow new species to be detected. The sensing behavior of polyaniline has been modified through the application of blends such as polyaniline/carboxylated polyvinyl chloride (for the detection of ammonia down to 1 ppm) [10], or a Nafion/polyaniline/urease sensor for the detection of urea in solution [11]. Polyaniline composites have also been fabricated through the addition of materials; e.g., carbon nanotubes for the detection of carbon monoxide [12] and alcohols [13] and titanium dioxide particles for the detection of ammonia and carbon monoxide [14].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Polyaniline-Based Gas Sensors Using Piezoelectric Inkjet and Screen Printing for the Detection of Hydrogen Sulfide

et al. 2010

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. (2010). Fabrication of polyaniline-based gas sensors using piezoelectric inkjet and screen printing for the detection of hydrogen sulfide. IEEE Sensors Journal, 10 (9), 1419-1426.Fabrication of polyaniline-based gas sensors using piezoelectric inkjet and screen printing for the detection of hydrogen sulfide AbstractThis work describes a fully printable polyaniline-copper (II) chloride sensor for the detection of hydrogen sulfide gas. The sensing device is composed of screen printed silver interdigitated electrode (IDE) on a flexible PET substrate with inkjet printed layers of polyaniline and copper (II) chloride. The sensor is employed as a chemiresistor with changes in measured current being correlated with concentration. On exposure to hydrogen sulfide, 2.5 ppmv (parts per million by volume) is clearly detectable with a linear relationship between measured current and concentration over the 10-100 ppmv region. The detection mechanism is discussed with respect to the hydrogen sulfide response, the choice of electrode materials in addition to UVvis and surface enhanced Raman spectroscopy (SERS) characterization. © 2006 IEEE.

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Section: Introductionmentioning

confidence: 99%

Fabrication of Polyaniline-Based Gas Sensors Using Piezoelectric Inkjet and Screen Printing for the Detection of Hydrogen Sulfide

et al. 2010

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“…Conducting electroactive polymers are novel materials which are either being successfully used or expected to find use in various fields of many technological applications [18]. Among many applications of conducting polymers, electrochemical sensor applications seem to be very promising.…”

Section: +mentioning

confidence: 99%

Physioelectrochemical Investigation of Electrocatalytic Oxidation of Saccharose on Conductive Polymer Modified Graphite Electrode

Naeemy

Ehsani

Jafarian

et al. 2015

Journal of Electrochemical Science and Technology

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In this study we investigated the electrocatalytic oxidation of saccharose on conductive polymer-Nickel oxide modified graphite electrodes based on the ability of anionic surfactants to form micelles in aqueous media. This NiO modified electrode showed higher electrocatalytic activity than Ni rode electrode in electrocatalytic oxidation of saccharose. The anodic peak currents show linear dependency with the square root of scan rate. This behavior is the characteristic of a diffusion controlled process. Under the CA regime the reaction followed a Cottrellian behavior and the diffusion coefficient of saccharose was found in agreement with the values obtained from CV measurements.

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“…The gas sensitivity (S) is expressed by the following equation [29,30]: (1) where R 0 is the resistance due to the air and R g is the resistance measured upon exposure to NH 3 gas.…”

Section: Thermal Stabilitymentioning

confidence: 99%

Improvement in ammonia gas sensing behavior by polypyrrole/multi-walled carbon nanotubes composites

Jang¹,

Yun²,

Kim

et al. 2012

Carbon letters

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Polypyrrole (PPy)/multi-walled carbon nanotubes (MWCNTs) composites were prepared by in situ polymerization of pyrrole on the surface of MWCNTs templates to improve the ammonia gas sensing properties. PPy morphologies, formed on the surface of MWCNTs, were investigated by field emission scanning electron microscopy. The thermal stabilities of the PPy/MWCNTs composites were improved as the content of MWCNTs increased due to the higher thermal stability of the MWCNTs. PPy/MWCNTs composites showed synergistic effects in improving the ammonia gas sensing properties, attributed to the combination of efficient electron transfer between PPy/MWCNTs composites and ammonia gas, and the reproducible electrical resistance variation on PPy during the gas sensing process.

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Synthesis and characterization of polyaniline–carboxylated PVC composites: Application in development of ammonia sensor

Cited by 79 publications

References 33 publications

Fabrication of Polyaniline-Based Gas Sensors Using Piezoelectric Inkjet and Screen Printing for the Detection of Hydrogen Sulfide

Fabrication of Polyaniline-Based Gas Sensors Using Piezoelectric Inkjet and Screen Printing for the Detection of Hydrogen Sulfide

Physioelectrochemical Investigation of Electrocatalytic Oxidation of Saccharose on Conductive Polymer Modified Graphite Electrode

Improvement in ammonia gas sensing behavior by polypyrrole/multi-walled carbon nanotubes composites

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