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Showing 1 to 20 of 93 for “"Conducting polymers"”.
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Conducting polymers for electrochemically mediated separations
… polymeric adsorbent based on an intrinsically conducting polymer, polypyrrole (PPy), doped with anionic surfactant dioctylsulfosuccinate (AOT), denoted PPy(AOT), is developed for mitigating organic pollutants in wastewater. Highly porous PPy(AOT) can be synthesized using a facile …
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The development of multisensor arrays utilising conducting polymers.
… of aromas. The technology applies the use of conducting polymers grown across a gap between metallic conductors. The electrochemically deposited films complete a circuit and providing electrical resistance. In this format the films act as chemical resistors (chemiresistors) the current flow …
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Mixed (ion and electron) conducting polymers, with applications in batteries
… 3D batteries using mixed (ion and electron) conducting polymers as electrolytes has been developed. The majority of the work was done using the polymer Poly(1,11-Di(N-pyrryl)-3,6,9-trioxaundecane) (PP2O3) because it demonstrated mixed conducting properties. Methods are presented for …
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High sensitivity DNA detection using gold nanoparticles and conducting polymers
… of electrochemical detection of DNA, novel conducting polymer- metal nanoparticle composites have been created. An electrode modified with nanostructured gold (AuNP-elec) has been used to increase the surface of the electrode and therefore the amount of single strand DNA (ss-DNA) …
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Synthesis and characterization of conducting polymers with new architectural motifs
… affected the overall properties of the resulting polymers. The n-linked thiophene monomers produced highly cross-linked polymers and the electroactivity of these polymers depended on the length of the thiophene fragment in the corresponding monomer. The a-linked thiophene monomers produced …
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Supercapacitor electrode materials based on nanostructured conducting polymers and metal oxides
Supercapacitors are charge-storage devices. Compared to batteries, they have higher power density, more excellent reversibility and longer cycle life. Therefore, supercapacitors have played an increasingly important role in the fields of power source especially in automotive applications, such as …
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Development of a Novel Drug Delivery System Based on Conducting Polymers
… improving compliance. Intrinsically Conducting Polymers (ICP) are organic materials that have electrical, magnetic and optical properties usually associated with metals, whilst retaining the advantageous mechanical properties and ease of processing usually associated with polymers. A …
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Synthesis and characterization of organic and organometallic conducting polymers and oligomers
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1994.
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The Biomedical Application of Conducting Polymers for the Electrochemical Detection of Diseases
Conducting polymers possess electroactive properties in the presence of an electric field. They have potential applications in alternative energy, sensors, display technologies, and biomedicine. In combination with biorecognition molecules like DNA aptamers or antibodies, conducting polymers can be …
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Towards programmable materials : tunable material properties through feedback control of conducting polymers
… artificial muscle technologies is actuation with conducting polymer. Additionally, conducting polymer has been used to fabricate the position sensor and control electronics. Creating these components from a single type of material has made it possible to co-fabricate the system into an integrated …
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Redox-active ligands and conducting polymers in the electrochemical control of reactivity
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1995.
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Synthesis and Characterization of Polymer Composites Containing Aligned Conducting Polymers and Carbon Nanotubes
… power factor by modulating the morphology of the conducting polymer poly-(3,4-ethylenedioxythiophene) (PEDOT) and creating a composite with carbon nanotubes to control the mobility and hence the electrical conductivity of the thin films. Aligned PEDOT-carbon nanotube composite thin films were …
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Studies on conducting polymers : the synthesis and anodic electropolymerisation of novel B-functionalised thiophenes
Following a brief review on conducting polymers, eight B-functionalised thiophene derivatives viz; trans-l,2-bis(3 ’-thienyl)ethene, [1]; trans-l-(l ‘-pyrenyl)-2-(3’’-thienyl)ethene, [2]; trans-l-(p-N,N-dimethylaminophenyl)-2-(3 ‘-thienyl)ethene, [3]; trans-l-(ferrocenyl)-2-(3 ‘-thienyl)ethene, …
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Characterization of macro-length conducting polymers and the development of a conducting polymer rotary motor
Conducting polymers are a subset of materials within the electroactive polymer class that exhibit active mechanical deformations. These deformations induce stresses and strains that allow for conducting polymers to be used as an actuator for mechanical devices. Incorporation of conducting polymer …
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Nuclear magnetic resonance and rheo-NMR investigations of wormlike micelles, rheology modifiers, and ion-conducting polymers
Investigation and characterization of polymeric materials are necessary to obtain in-depth understanding of their behavior and properties, which can fuel further development. To illuminate these molecular properties and their coupling to macroscopic behavior, we have performed nuclear magnetic …
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Electrically conducting polymers for non-invasive control of mammal cell behavior dc by Joyce Yun-Wei Wong.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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A device for testing the electronic and mechanical properties of conducting polymers with electron paramagnetic resonance spectroscopy
Conducting polymers have the potential to serve the technical and commercial communities with novel actuators, sensors, and biomimetic devices. The conjugated structures of these polymers and the addition of dopants enable conduction. [1] One current goal in the conducting polymer field is to …
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Development of hybrid organic-inorganic light emitting diodes using conducting polymers deposited by oxidative chemical vapor deposition process
… methods of synthesis and film formation for conducting polymers, many of which are insoluble, motivate the development of CVD methods. Indeed, conjugated polymers with rigid linear backbones typically crystallize readily and overcoming the resultant heat of crystallization makes them …
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