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2 edition of Development of a novel conducting polymer modified electrode for ion extraction found in the catalog.

Development of a novel conducting polymer modified electrode for ion extraction

Alshreif A. Saad

Development of a novel conducting polymer modified electrode for ion extraction

by Alshreif A. Saad

  • 37 Want to read
  • 28 Currently reading

Published by De Montfort University in Leicester .
Written in English


Edition Notes

Thesis (M.Phil) - De Montfort University, Leicester 1999.

StatementAlshreif A. Saad.
ContributionsDe Montfort University.
ID Numbers
Open LibraryOL18145622M

Chemically modified electrode--(CME)-an electrode made of a conducting or semiconducting material that is coated with a selected monomolecular, multimolecular, ionic, or polymeric film of a chemical modifier and that by means of faradaic (charge-transfer) reactions or . Novel Solid Redox Polymerization Electrodes All-Solid-State, Thin-Film, Rechargeable Lithium Batteries thin-film systems while overcoming some of the limitations of using intercalation compounds as positive electrode (i.e., insufficient rate capability and capacity utilization). and other precursors for solid polymer- ization electrodes.

Previous article in issue: Extraction of Proteins from Biological Fluids by Use of an Ionic Liquid/Aqueous Two-Phase System. Previous article in issue: Extraction of Proteins from Biological Fluids by Use of an Ionic Liquid/Aqueous Two-Phase System Next article in issue: Two-Component Supramolecular Helical Architectures: Creation of Tunable Dissymmetric Cavities . The controllable permselective behavior of templated poly-(1,2-diaminobenzene)-moditied electrodes is illustrated, The electrochemical behavior of polymer films prepared from several media, conventional aqueous solution, liquid crystalline micellar solution, and liquid crystalline hexagonal phase solution, were compared using several cationic and anionic redox by:

  Overoxidation breaks the conjugation in the polymer, rendering the polythiophene non-conductive and therefore unusable for electronic or electrochemical applications. Another limitation of oxidizing and/or reducing a pi-conjugated polymer electrode instead of electrolyzing water is the limited electrochemical capacity by: 8. unmodified and modified ITO, determined by XPS Table 2 Slope of PMT current as a first-order function of hydrogen peroxide concentration in the absence or presence of t M ascorbic acid with M Tris-HCl buffer solution [mA/M] Effect of Electrode Modification by Ionic Polymer Adsorption on Electrochemiluminescence of Luminol.


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Development of a novel conducting polymer modified electrode for ion extraction by Alshreif A. Saad Download PDF EPUB FB2

In this paper, conducting polymer film modified electrodes were applied to fabricate paper-based chips (PCs), and different concentrations of chloride ions (Cl −) in water can be selectively detected based on the potential response towards Cl −.The three-electrode system was screen-printed on paper and the polypyrrole (PPy) film doped with Cl − was electrochemically Cited by: Electrode preparation.

The carbon paste electrode modified with imprinted polymer sol–gel (U-imp/CPE) was fabricated at an optimized composition of carbon powder (CP), U-imp polymer and paraffin oil () (% w/w) as follows: Firstly, g of CP were mixed with 30 mg of U-imp polymer in a mortar until a homogeneous blend was60 mg of paraffin oil Cited by: Graphene-conducting polymer nanocomposite as novel electrode for supercapacitors Article in Journal of Power Sources (8) April with Reads How we measure 'reads'.

The surface properties of carbon film electrode sensors covered by coating with Nafion polymer film, before and after electrochemical analysis of sub-micromolar traces of lead and cadmium ions, were investigated. These protective polymer films are applied to the electrode surfaces to prevent the irreversible adsorption of chemical species, such as proteins and surfactants Cited by: 2.

Conducting polymers (CPs) as well as conducting polymer nanoparticles seem to be very applicable for the development of various analyte-recognizing elements of sensors and biosensors. This chapter reviews mainly fabrication methods as well as application of conducting polymers in sensors. Conducting polymers (CPs) have been applied in the design of catalytic Cited by: 2.

There are various options regarding the development of a modified electrode and various methods to attach the modifier, but important criteria in choosing are simplicity and reproducibility strategy to obtain a robust modified electrode. conducting polymer on the surface of a conventional electrode, I electropolimerized Size: KB.

The anchoring of an electro-inactive metal-organic framework (ZIF-8 MOF) layer on a conducting polymer-modified electrode enhances its electrocatalytic efficiency toward the oxygen reduction.

Abstract. Donor–acceptor–donor-structured thiophene derivative-based conducting polymer poly(7,9-dithiophene-2yl-8H-cyclopenta[a]acenaphthaleneone) was chemically polymer was used to modify both glassy-carbon and carbon-paste electrode, which was used to detect lead(II) ions present in water in the range of 1 mM to by: 5.

Development of Novel Method for Preparation of PEMFC Electrodes Hansung Kim* and Branko N. Popov**,z Center for Electrochemical Engineering, Department of Chemical Engineering, University of South Carolina, Columbia, South CarolinaUSA A method based on pulse electrodeposition technique was developed for preparation of membrane electrode Cited by:   Carbon paste electrodes modified with conducting polymers for sensitive and selective determination of lead are presented.

A novel method for generating a reproducible polymer-coated electrode surface is developed. We prove that 1,8-diaminonaphthalene (1,8-DAN) mixed with a carbon paste electrode leads to a conducting polymer in acidic medium while, in Cited by: A Novel Carbon Paste Electrode Based on Ion-Imprinted Polymer for Determination of Iridium.

To develop a convenient method for sensitive and selective determination of iridium in complicated matrices, a carbon paste electrode based on iridium ion imprinted polymer (IIP) was by: 1.

Electrochemical characterization of redox polymer modified electrode developed for monitoring of adenine. Kuralay F(1), Erdem A, Abacı S, Ozyörük H. Author information: (1)Department of Chemistry, Faculty of Science and Arts, Ordu University, Ordu, Turkey.

@ed by: 7. Conducting polymers can be easily obtained by electrochemical oxidation of aromatic monomers on an electrode surface as a film state. To prepare conducting polymer fibres by electropolymerization Cited by: Organic conducting polymer modified electrodes (OCPMEs) have emerged as potential candidates for electrochemical biosensors due to their easy preparation methods along with unique properties, like stability in air and being compatible with biological molecules in a neutral aqueous solution.

OCPMEs are playing an important role in the improvement of public health Cited by: In nearly all cases, electrophoresis in gels is driven via the electrolysis of water at the electrodes, where the process consumes water and produces electrochemical by-products.

We have previously demonstrated that π-conjugated polymers such as poly(3,4-ethylenedioxythiophene) (PEDOT) can be placed between traditional metal electrodes and an electrolyte to mitigate. Molecularly imprinted polymers (MIP) have been elucidated to work as artificial receptors.

In our present study, a MIP was applied as a molecular recognition element to a chemical sensor. We have constructed an atrazine sensor based on a MIP layer selective for atrazine and its electrochemical reduction on gold electrode. The atrazine sensor was fabricated by directly Cited by: Sodium-ion batteries are promising alternative electrochemical energy storage devices due to the abundance of sodium resources.

One of the challenges currently hindering the development of the sodium-ion battery technology is the lack of electrode materials suitable for reversibly storing/releasing sodium ions for a sufficiently long by: 3. purposely modifying an electrode by adsorbing, coating, or attaching specific molecules to the surface.

This deliberate and controlled modification of the electrode surface can produce electrodes with new and interesting properties that may form the basis of new applications of electrochemistry and novel devices.

preparation and behavior of electrodes modified by coating with thin films of the perfluorinated ion-exchange polymer, Nafion,l* which can incorporate large amounts (upper limits of M) of electroactive species such as Ru(bpy),*+ and Fe(tpy),2+ by electrostatic binding and extraction.

Voltammetric studies with. Highly ordered macroporous electrodes of the conducting polymer poly-3,4-ortho-xylendioxythiophene (PXDOT) are presented as a sensitive analytical tool for heavy metal ion quantification due to a controlled gain in electroactive area.

They were designed by using colloidal crystal templates. A direct correlation between the final number of porous layers and the Cited by: 1. Special emphasis will be placed on the nano-structured conducting polymer based electrochemical biosensors, immunosensors, DNA sensors, and modified electrodes for electroanalysis.

It features all aspects of amperometric, potentiometric, conductometric, coulometric, impedimetric, and voltammetric sensors and biosensors.A chemically modified electrode is an electrical conductor (material that has the ability to transfer electricity) that has its surface modified for different electrochemical functions.

Chemically modified electrodes are made using advanced approaches to electrode systems by adding a thin film or layer of certain chemicals to change properties of the conductor according to its. The novel electrodes deliver specific capacities of 90 mAh/g (about half that of a typical lithium-ion battery cathode) charging in less than 20 .