Recent progress in the development of nano-structured conducting polymers/nanocomposites for sensor applications

Rajesh, Rajesh; Ahuja, Tarushee; Kumar, Devendra

doi:10.1016/j.snb.2008.09.014

Cited by 513 publications

(166 citation statements)

References 158 publications

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“…The enhancement of the performance characteristics of sensors and biosensors, based on carbon electrode substrates, can be achieved through different surface modification strategies such as the deposition of films of polymeric redox mediators [17], application of nanotubes or the immobilisation of enzymes into polymer matrices [18,19]. Ensuring sensor selectivity towards a given compound is a constant challenge and hydrogen peroxide (H 2 O 2 ), selected in this work, is a compound with important applications in environmental studies, chemical industry, pharmaceutical and industrial research [20,21].…”

Section: Introductionmentioning

confidence: 99%

Preparation and characterisation of poly(3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene)/poly(neutral red) modified carbon film electrodes, and application as sensors for hydrogen peroxide

Gonçalves

Ghica

Brett

2011

Electrochimica Acta

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Please cite this article as: A.R. Gonçalves, M.E. Ghica, C.M.A. Brett, Preparation and characterisation of poly (3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene)/poly(neutral red) modified carbon film electrodes; and application as sensors for hydrogen peroxide, Electrochimica Acta (2010Acta ( ), doi:10.1016Acta ( /j.electacta.2010 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. carbon-film electrodes (CFE) in aqueous solution using electropolymerisation by potential cycling, potentiostatically and galavanostatically. Characterisation of the modified electrodes was done by cyclic voltammetry and electrochemical impedance spectroscopy and the stability of the polymer films was probed. The coated electrodes were tested for application as hydrogen peroxide sensors, by oxidation and reduction. A novel polymer film was also formed by modification of CFE by co-electropolymerisation of EDOT and the phenazine dye neutral red (NR) -(PEDOT/PNR) with a view to enhancing the properties for sensor applications. It was found that hydrogen peroxide reduction at the PEDOT/PNR coated electrodes could be carried out at a less negative potential, the sensor performance comparing very favourably with that of other polymer-modified electrodes reported in the literature.

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Section: Introductionmentioning

confidence: 99%

Preparation and characterisation of poly(3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene)/poly(neutral red) modified carbon film electrodes, and application as sensors for hydrogen peroxide

Gonçalves

Ghica

Brett

2011

Electrochimica Acta

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“…In addition, such a device must be able to deliver the drug of interest at doses that are required to obtain the therapeutic effect. Nanomaterials of conjugated polymers are found to have superior performance relative to conventional materials due to their much larger exposed surface area (Rajesha et al, 2009). …”

Section: Nano-structured Conducting Polymersmentioning

confidence: 99%

Survey of the Application Nanoscale Material in Chemical Sensors

Masrournia¹,

Ahmadabadi²

2012

Advances in Chemical Sensors

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“…In recent years, few sensors based on nanostructured conducting polymers/nanocomposites to detect different kinds of gases have been developed. Most of which have been reviewed by Sih et al [3] and Rajesh et al [4].Yang et al [5] have demonstrated the synthesis of PPy-Ag nanocomposite by in situ reduction process. Ag nanoparticles were uniformly absorbed onto the surface of PPy in the presence of Polyvinylpyrrolidone (PVP).…”

Section: Introductionmentioning

confidence: 99%

Selective and Sensitive Room Temperature Detection of Ammonia by PPy-Ag Nanocomposite

Nerkar¹

2018

IJRASET

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This paper describes synthesis of polypyrrole-silver nanocomposite (PPy-Ag-NC) via in situ chemical oxidative polymerization of pyrrole, based on colloidal suspension of silver nanoparticles. The structure analysis of synthesized nanocomposite was done by Fourier transform infrared (FTIR) spectroscopy. Transmission electron microscopy (TEM) micrographs showed spherical Ag nanoparticles of about 38-60 nm were embedded in the PPy matrix. Scanning Electron Microscopy (SEM) photo graphs revealed formation of uniform granular morphology. X-ray diffraction (XRD) pattern shows broad peak at 2 = 25.3o suggesting that PPy is amorphous, but peaks at 2θ values of 38.2°, 44.5°, 64.3° and 78.4° corresponding to face centered cubic silver. Room temperature ammonia gas sensing behaviour of PPy-Ag nanocomposite films were examined. Gas sensing tests demonstrated that the composite films exhibited a fast response (58s to 153s), rapid recovery (347s to 746s) and high sensitivity and sensitivity at room temperature with a detection of low concentration (50 to 500 ppm) of ammonia gas. The experimental result demonstrates the potential of using PPy-Ag nanocomposite as sensing material for the fabrication of room temperature operating ammonia sensor.

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Recent progress in the development of nano-structured conducting polymers/nanocomposites for sensor applications

Cited by 513 publications

References 158 publications

Preparation and characterisation of poly(3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene)/poly(neutral red) modified carbon film electrodes, and application as sensors for hydrogen peroxide

Preparation and characterisation of poly(3,4-ethylenedioxythiophene) and poly(3,4-ethylenedioxythiophene)/poly(neutral red) modified carbon film electrodes, and application as sensors for hydrogen peroxide

Survey of the Application Nanoscale Material in Chemical Sensors

Selective and Sensitive Room Temperature Detection of Ammonia by PPy-Ag Nanocomposite

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