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Showing 1 to 20 of 64 for “"PEDOT"”.
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Optimization of PEDOT: PSS thin film for organic solar cell application
… devices were fabricated with and without PEDOT:PSS. Then, several attempts have been conducted to improve power conversion efficiency by optimizing different thicknesses of the interlayer between active layer and metal. Power conversion efficiency, short circuit current, open circuit …
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PEDOT Electrodes as Redox Mediators for Determination of Antioxidants in Beverages
… electrode with a poly3,4-ethylenedioxythiophene (PEDOT) film, which is a conducting polymer. Polymerization was performed electrochemically with 0.1 M 3,4-ethylenedioxythiophene (EDOT) and 0.1 M lithium perchlorate in propylene carbonate (PC) using cyclic voltammetry at 1 mm dia. electrodes. …
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CHARACTERIZATION OF SNEAK PATH CURRENT EFFECT IN A PEDOT: PSS-BASED ReRAM CROSSBAR ARRAY
… on glass substrates with a structure of Cu/PEDOT: PSS/Ag, with a particular focus on understanding the impact of sneak-path currents on the switching performances. Resistive memory cells, particularly in crossbar configurations, are widely considered as promising memory technology due to …
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The synthesis and characterization of metal chalcogenide-pedot: pss polymer composites for thermal energy conversion
… and characterization of metal chalcogenide/PEDOT:PSS polymer composites as possible thermoelectric materials for thermal energy conversion; specifically, Te, Bi2Te3, Bi2S3, and Ag2Te. The inorganic materials have high Seebeck coefficients while the PEDOT:PSS has high electrical conductivity. …
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Highly conductive sodium dodecyl sulphate treated poly (3,4-ethylendioxylthiophene) : polystyrene sulfonate (pedot: pss) containing copper nanoparticles for flexible organic solar cells
… 4-ethylenedioxythiophene): polystyrene sulfonate(PEDOT: PSS) as the hole transport layer, a photoactive layer and aluminium as the back contact. ITO is brittle and mechanically rigid making the solar cell device not to be flexible. This has motivated the search for alternatives to replace ITO. One …
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Highly conductive sodium dodecyl sulphate treated poly (3,4-ethylendioxylthiophene) : polystyrene sulfonate (pedot: pss) containing copper nanoparticles for flexible organic solar cells
… 4-ethylenedioxythiophene): polystyrene sulfonate(PEDOT: PSS) as the hole transport layer, a photoactive layer and aluminium as the back contact. ITO is brittle and mechanically rigid making the solar cell device not to be flexible. This has motivated the search for alternatives to replace ITO. One …
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Conducting Polymer Implant for On-demand Ocular Drug Delivery
… (CP) such as poly(3,4-ethylenedioxythiophene) (PEDOT), a robust CP with good biocompatibility and reproducible electroactivity. This thesis investigated the fabrication of a PEDOT-based system suitable for implantation to provide stimuli-responsive ocular drug delivery. Methods: PEDOT films …
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Funktionalisierte Polymerkomposite auf Basis von Poly(3,4-ethylendioxythiophen) und Gold
Poly(3,4-ethylenedioxythiophene), PEDOT, belongs to the group of conducting polymers and is characterized by its high stability, a moderate band gap and its optical transparency in the conductive state. A large disadvantage of conducting polymers, and also PEDOT, is their poor solubility. One way …
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Oxidative chemical vapor deposition of conductive polymers for use in novel photovoltaic device architectures
… polymer poly(3,4-ethylenedioxythiophene), (PEDOT), deposited via oxidative chemical vapor deposition (oCVD) has been investigated for use in organic electronic devices. The oCVD process as well as the application of oCVD PEDOT in photovoltaic devices is described. oCVD enables the synthesis …
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Oxidative and initiated chemical vapor deposition for application to organic electronics
… conductive poly (3, 4-ethylenedioxythiophene) (PEDOT) films was demonstrated. The substrate temperature systemically controls the conjugation length, resulting in films with conductivity of 9.1 x 10-4 to 348 S/cm. The highest conductivity was about 1000 S/cm. The doping level could also be tuned …
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Optimising Recording & Stimulation Performance of Neuronal Microelectrode Arrays through Macroporous Conducting Polymer Modification
… sulphonate (PEDOT/PSS) hypothesised to further increase electrochemical surface area of conventional CP coatings. The enlarged electrochemical surface area offered is hypothesised to improve (i) recording, through reduced impedance and thermal noise and (ii) …
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Desenvolvimento de novos materiais nanoestruturados baseados em polímeros condutores e suas aplicações na purificação de DNA, remediação ambiental e em dispositivos eletrônicos flexíveis
… condutores poli(3, 4-etilenodioxitiofeno), (PEDOT)--NPs/PEDOT, e polianilina, (Pani)--NPs/Pani; ii) membranas de poli(fluoreto de vinilideno) (PVDF), obtidas por meio da técnica de eletrofiação com a superfície modificada pela incorporação de PEDOT; iii) eletrodos orgânicos flexíveis …
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Development of hybrid organic-inorganic light emitting diodes using conducting polymers deposited by oxidative chemical vapor deposition process
… to dissolve. Poly(3,4-ethylenedioxythiophene) (PEDOT) thin films were obtained through oxidative chemical vapor deposition (oCVD) by using a new oxidant- bromine. The use of bromine eliminates any post processing rinsing step required with other oxidants like iron chloride and hence makes the …
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Conductive Membranes for Fouling Mitigation and Permeate Flux Control
… the coating of poly(3,4-ethylenedioxythiophene) (PEDOT) on the fibres’ surface. The conductive filtration membrane sSEBS/PEDOT showed an electrical resistance response towards the fouling from a model wine solution with a much higher sensitivity comparing to the permeate flux measurements. …
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Host-Guest Systems and Their Derivatives Based on Metal-Organic Frameworks
… conducting poly(3,4-ethylenedioxythiophene) (PEDOT) into a $Zn_2(1,4-ndc)_2(dabco)$ ($1,4-ndc = 1,4-naphthalenedicarboxylate$, $dabco = 1,4-diazabicyclo[2.2.2]octane$) $[PEDOT@Zn_2(1,4-ndc)_2(dabco)]$, which turned the electrically insulating MOF into a semiconducting composite. The formation …
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Synthesis and Characterization of Polymer Composites Containing Aligned Conducting Polymers and Carbon Nanotubes
… 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 fabricated and characterized to study both the alignment …
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Novel Fabrication and Characterization Methods for Conducting Polymer Nanostructures and Microstructures
… of poly(3,4-ethylenedioxythiophene) (PEDOT) and polyaniline (PANI), two prominent conducting polymers. Many of the strategies presented herein are based on miniaturized pipettes driven by scanning ion conductance microscopy (SICM), with some complementary techniques also explored. I …
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Structure-property engineering and device fabrication of conjugated polymers by chemical vapor deposition
… in CVD-grown poly(3,4-ethylenedioxythiophene) (PEDOT) thin films with controllable crystallization and morphology. The polymeric conducting thin film can be used as flexible and transparent electrodes in many electronic devices. Previously, the key problem limiting the electrical conductivity of …
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Colorimetric sensor array for identification of fungi & ultrasonic spray synthesis for supercapacitor materials
… Among them, poly(3,4-ethylenedioxythiophene) (PEDOT) is especially attractive due to its high stability and low toxicity. Prior PEDOT materials are generally synthesized with surfactants or template methods so as to achieve nano- or micro-structures with high surface area and to maximize …
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Thin Films of Semiconducting Polymers and Block Copolymers by Surface-initiated Polymerization
… to prepare poly(3,4-ethylenedioxithophene) (PEDOT) thin films. PEDOT is a practically important highly conductive conjugated polymer. Our investigation of the properties of a surface-confined PEDOT film revealed that, after doping with iodine, the film became highly conductive, with …
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