Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 82 for “"Cyclic voltammetry (CV)"”.
-
Electrochemical impedance modelling of the reactivities of dendrimeric poly(propylene imine) DNA nanobiosensors
… based on electrochemical impedance spectroscopy. Cyclic voltammetry (CV), differentia pulse voltammetry (DPV), square wave voltammetry (SWV) and electrochemical impedance spectroscopy (EIS) techniques were used to study and model the electrochemical reactivities of the nanomaterials on glassy …
-
The use of cyclodextrin template-based metal oxide nanomaterials in the development of electrochemical sensors for phenolic endocrine disruptor compounds
… infrared (ATR-FTIR), X-ray diffraction (XRD), cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and chronoamperometry (CA). The TEM shows that the surface morphology has no difference between nanoparticles prepared in the presence and absence of beta-cyclodextrin β-CD), …
-
One-Dimensional nanostructured polymeric materials for solar cell applications
… thermal gravimetric analysis (TGA) and cyclic voltammetry (CV) experiments. Devices fabricated from these materials were characterized under simulated AM 1.5 at 800 mW.
-
Cytochrome C biosensor for the determination of trace level arsenic and cyanide compounds
… mechanism. The sensitivity as calculated from cyclic voltammetry (CV) and square wave voltammetry (SWV), for each analyte in phosphate buffer (pH= 7) was found to be (1.087- 4.488 ×10-9 M) and the detection limits ranging from 0.0043- 9.1 μM. These values represent a big improvement over the …
-
Electrodeposition of Diamond-like Carbon Films
… transform infrared spectroscopy (FTIR) and cyclic voltammetry (CV). A variety of experimental parameters were shown to affect the deposition process. The second electrochemical method was developed for the first time to deposit hydrogen free DLC films on Ni substrates through a two-electrode …
-
Hydrogen storage in pt/carbon nanotube sheets
… source and electrochemical deposition under cyclic voltammetry (CV). To verify platinum deposition on the surface of the CNT sheets, a Scanning Electron Microscope (SEM) was used to obtain images, and Energy Dispersive X-ray (EDX) spectroscopy was used to determine the percentage of platinum …
-
Experimental Investigation of the Effect of Composition on the Performance and Characteristics of PEM Fuel Cell Catalyst Layers
… Impedance Spectroscopy (EIS), and Cyclic Voltammetry (CV) are then applied to investigate the cause of the observed variations in performance. The results show that both Nafion and carbon content significantly affect MEA performance. The ohmic resistance and active catalyst area of …
-
Synthesis and charaterisation of phosphorescent copper (I) complexes for light emitting devices
… (TGA), differential scanning calorimetry (DSC), cyclic voltammetry (CV) and scanning electron microscopy (SEM). Most of the copper complexes have shown very interesting luminescent properties in solution and solid state and some of them were studied for future application in a device.
-
Synthesis and properties of nanoparticulate titanium dioxide compounds
… assessed by both X-ray diffraction (XRD) and cyclic voltammetry (CV). Cyclic voltammetry studies were made possible by construction of a specially designed titanium electrode upon which the nanotubes were prepared. CV studies established a positive correlation between crystallinity and …
-
A universal miniaturized electrochemical sensing platform and its applications
… supports a number of potential waveforms such as cyclic voltammetry (CV) and differential pulse voltammetry (DPV), which are the foundations of modern electrochemical research. This thesis first explains the theoretical basis and physical implementation of the sensing system, which covers design …
-
The Development of Sustainable Hydrometallurgical Processes for the Recovery of Precious Metal
… redox reaction during adsorption process using cyclic voltammetry technique. Synthetic solution of gold is prepared with dissolution of gold (III) chloride in hydrochloric acid, sodium thiosulfate and sodium thiourea lixiviants. Cedar wood bark is pre-treated with dilute and concentrated …
-
Jednoduchý elektrochemický DNA biosenzor pro detekci poškození DNA způsobeného UV zářením
… of several electrochemical technics: square-wave voltammetry (SWV) for direct monitoring of DNA base oxidation and cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), as non-direct methods, using redox-active indicator [Fe(CN)6]4-/3- . CV and EIS, which allow characterization …
-
Design of reversible "smart" surfaces for biomedical and nanotechnological applications
… (FT-IR), X-ray photoelectron spectroscopy (XPS), cyclic voltammetry (CV), sum-frequency generation spectroscopy (SFG), and atomic force microscopy (AFM). Chapter 2. A Reversibly Switching Surface The design of surfaces that exhibit dynamic changes in interfacial properties such as wettability in …
-
Carbon Paste Macrocycle Doped Composite Electrodes for the Selective Electrochemical Detection of Dopamine
… electrochemical impedance spectroscopy (ESI) and cyclic voltammetry (CV). The detection of DA at all modified electrodes (except for CD6.7) resulted in an enhancement of the oxidation signal response over that of the bare electrode. High performance of the electrochemical detection of DA was …
-
A study of nanostructured materials toward coronary artery stenting and DNA-based biosensing
… Perfectly hybridized DNA can be detected using cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The biosensor has suitable predictive value as a diagnostic, yet refinements may be necessary.
-
Electrospun carbon nanofiber electrodes decorated with palladium metal nanoparticles : fabrication and characterization
… performance was characterized using cyclic voltammetry (CV), rotating disk electrode (RDE), and testing in a PEM fuel cell. It was demonstrated that palladium crystal size and particle size increased with heat treatment time and temperature. Lower concentrations of PAN in solution had …
-
Design and synthesis of new processable materials for application in organic devices.
… solution and film absorption and emission, and cyclic voltammetry (CV) were studied. Bulk heterojunction solar devices, using the synthetized materials as donors and PC60BM as acceptors were fabricated and tested. Furthermore, some polymers were designed to comprise DPP unit with polar …
-
Electrolyte Dependence on the Electrochemical and Optoelectronic Activity of a Conjugated Polymer in Organic Solvents
… implemented to study this consisted of cyclic voltammetry (CV), spectroelectrochemistry, and scan rate dependence (SRD) experiments. A regiosymmetric propylenedioxythiophene-based polymer was used to prepare solid-state films to measure electrochemical responses based on systematically …
-
Copper Electrodeposition on Iridium, Ruthenium and Its Conductive Oxide Substrate
… conductive oxide. The electrochemical methods cyclic voltammetry (CV) and chronocoulometry were used to study the under potential deposition. The electrochemical methods to oxidize the ruthenium metal are presented, and the electrochemical properties of the oxide ruthenium are studied. The full …
-
OPERANDO X-RAY ABSORPTION SPECTROSCOPY STUDIES OF (PHOTO)ELECTRODE MATERIALS FOR H2 PRODUCTION/CONVERSION
… electrodes were rigorously evaluated by cyclic voltammetry (CV), Linear sweep voltammetry (LSV), and Tafel slope. (3) Operando X-ray absorption spectroscopy (XAS), as an elemental selective and powerful technique, was utilized to obtain specific elemental electronic structure information …
Page 1 of 5