Browsing by Keywords "Electrochemistry"
Now showing items 1-19 of 19
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A conducting composite of polypyrrole II. As a gas sensor
(Elsevier, 1995)Pure polypyrrole (PPy) and polypyrrole-polyamide (PPy-PA) composite films were synthesized electrochemically. The gas-sensing ability was investigated for both pure PPy and PPy-PA films. The composite films' response to ... -
Conducting polymer composites of polythiophene with natural and synthetic rubbers
(Elsevier, 1996)Electrochemical synthesis of conducting polymer composites of polythiophene was achieved. Synthetic and natural rubbers were used as the insulating polymer matrices. FT-IR, differential scanning calorimetry (DSC), scanning ... -
Continuous mesoporous pd films by electrochemical deposition in nonionic micellar solution
(American Chemical Society, 2017)Mesoporous metals that combine catalytic activity and high surface area can provide more opportunities for electrochemical applications. Various synthetic methods, including hard and soft templating, have been developed ... -
Does the donor-acceptor concept work for designing synthetic metals? 2. theoretical investigation of copolymers of 4-(dicyanomethylene)-4H-cyclopenta[2, 1-b: 3, 4-b′]dithiophene and 3, 4-(ethylenedioxy)thiophene
(American Chemical Society, 2002)Density functional theory (DFT) calculations were performed on oligomers of 3,4-(ethylenedioxy)thiophene (EDOT), 4-(dicyanomethylene)-4H-cyclopenta[2,1-b:3,4-b′]dithiophene (CDM), and co-oligomers (CDM/ EDOT). Oligomer ... -
Electrochemical and XPS studies of corrosion behaviour of a low carbon steel in the presence of FT2000 inhibitor
(Elsevier Science Publishers B.V., 2001)Corrosion behaviour of a new inhibitor (FT2000) is investigated in saline solution on a low carbon steel in the neutral aqueous media at 60 °C. Effect of sulphate ion is also studied. Corrosion rate, polarization resistance, ... -
Electrochemical investigations of ion transport in unconventional environments
(Bilkent University, 2018-07)Ion transport is a critical process that occurs routinely in all electrochemical devices. Especially the new generation batteries extensively utilized in portable devices, Li-Ion batteries, operate simply through Li+ ... -
Electrochemically obtained insulating and conducting polymers and composites of acrylonitrile
(1998)Electrochemically obtained polyacrylonitrile and a commercial polyacrylonitrile were heat treated to improve their conductivities. The parameters chosen for heat treatment conditions were the temperature, treatment medium ... -
Electrochemically swithable plasmonic surfaces
(Bilkent University, 2014)In this study, we design and produce grating coupled surface plasmon surfaces which are switched by electrochemistry. Grating structures are fabricated using digital versatile discs (DVDs) which are commercially available. ... -
Electroless synthesis of 3nm wide alloy nanowires inside Tobacco mosaic virus
(2012)We show that 3nm wide cobaltiron alloy nanowires can be synthesized by simple wet chemical electroless deposition inside tubular Tobacco mosaic virus particles. The method is based on adsorption of Pd(II) ions, formation ... -
In situ synthesis of biomolecule encapsulated gold-cross-linked poly(ethylene glycol) nanocomposite as biosensing platform: A model study
(Elsevier BV, 2010)In situ synthesis of poly(ethylene glycol) (PEG) hydrogels containing gold nanoparticles(AuNPs) and glucose oxidase (GOx) enzyme by photo-induced electron transfer process was reported here and applied in electrochemical ... -
Metal dicyanamides as efficient and robust water-oxidation catalysts
(Wiley Blackwell, 2017)Non-oxide cobalt-based water-oxidation electrocatalysts have received attention recently for their relative ease of preparation, they are stable both in acidic and basic media, and they have higher turnover frequencies ... -
On the possibility of grafting conducting polymers into insulating ones
(Elsevier, 1996)The possibility of grafting between conducting polymers, like polypyrrole (PPy) and polyaniline (PAn), and insulating polymers, such as polybisphenol A carbonate (PC) and polyamide (PA), is studied via semi-empirical methods ... -
Reductive deposition of Au3+(aq) on oxidized silicon surfaces
(N R C Research Press, 2000)X-ray photoelectron spectroscopy (XPS) is used to determine the oxidation state of gold deposited from an aqueous solution of AuCl4- on to various oxidized surfaces of silicon. Although the observed Au4f signal decreased ... -
Reversible electrical reduction and oxidation of graphene oxide
(American Chemical Society, 2011)We demonstrate that graphene oxide can be reversibly reduced and oxidized using electrical stimulus. Controlled reduction and oxidation in two-terminal devices containing multilayer graphene oxide films are shown to result ... -
Spectroelectrochemistry of potassium ethylxanthate, bis(ethylxanthato)nickel(II) and tetraethylammonium tris(ethylxanthato)-nickelate(II)
(Royal Society of Chemistry, 2001)Electrochemical and chemical oxidation of S2COEt−, Ni(S2COEt)2, and [Ni(S2COEt)3]− have been studied by CVand in situ UV-VIS spectroscopy in acetonitrile. Cyclic voltammograms of S2COEt− and Ni(S2COEt)2 display one (0.00 ... -
Synthesis of mesoporous lithium titanate thin films and monoliths as an anode material for high-rate lithium-ion batteries
(Wiley-VCH Verlag, 2016)Mesoporous Li4Ti5O12 (LTO) thin film is an important anode material for lithium-ion batteries (LIBs). Mesoporous films could be prepared by self-assembly processes. A molten-salt-assisted self-assembly (MASA) process is ... -
Thermal degradation of polythiophene-natural rubber and polythiophene-synthetic rubber conducting polymer composites
(1997)Thermal degradation of conducting polymer composites of polythiophene and rubbers was studied by direct and indirect pyrolysis mass spectrometry techniques. The samples were prepared by electrooxidation of polythiophene ... -
Time-related wettability characteristic of acrylic resin surfaces treated by glow discharge
(Elsevier, 1999-12)STATEMENT OF PROBLEM: Adhesion and cohesion have important roles in denture retention, and attempts have been made to improve the wettability of the acrylic resin material by surface treatments. PURPOSE: This study examined ... -
XPS characterization of Bi and Mn collected on atom-trapping silica for AAS
(Sage Publications, Inc., 1999)The chemical state of analyte species collected on a water-cooled silica tube during atom-trapping atomic absorption spectrometric determination is investigated with the use of X-ray photoelectron spectroscopy (XPS) for ...
