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 26 for “"multiwalled carbon nanotubes"”.
-
Impact of Porous Media Grain Size on the Transport of Multiwalled Carbon Nanotubes
… of one important nanomaterial (multi-walled carbon nanotubes or MWNTs) through porous media. Particular focus is placed on the impact of varying mean collector grain size on MWNT retention. Results from one dimensional column experiments conducted under various physical and chemical …
-
Studies on the Application of Multiwalled Carbon Nanotubes for the Thermal Treatment of Cancer
… to the treatment of diseases such as cancer. Carbon nanotubes in particular have been explored as drug delivery vectors, imaging contrast agents and mediators of tumor-specific thermal ablation when stimulated with near-infrared or radiofrequency energy. Several factors will influence their …
-
Carbon nanotube supported electrocatalysts for polymer electrolyte membrane fuel cells
… polymer electrolyte membrane (PEM) fuel cells. Carbon nanotubes have been studied as a new catalyst support. A sonochemical treatment method was applied for surface oxidation of multiwalled carbon nanotubes to achieve highly dispersed nanoparticles on them. Several surface functional groups were …
-
DESIGN, SYNTHESIS, AND CHARACTERIZATION OF NANOCOMPOSITES TO IMPROVE THE PERFORMANCE OF PHOTOVOLTAIC CELLS
… (PTCDA), poly(3-hexylthiophene) (P3HT), multiwalled carbon nanotubes (MWCNTs), multilayer graphene (MuLG), and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM).
-
Synthesis and development of boron nanotubes and metal/ceramic-carbon nanotube composites
… boron precursor to synthesize crystalline boron nanotubes (BNTs) mixed with small amounts of boron nanofibers (BNFs). The synthesis involves the use of solid boron precursors - magnesium boride and magnesium borohydride, magnesium and nickel boride as co-catalysts, and porous MCM-41 zeolite as …
-
Mechanical and electrical properties of carbon nanotubes surface-stamped on polydimethylsiloxane for microvalve actuation
… effects of the inclusion of a thin layer of multiwalled carbon nanotubes (MWCNT) into the surface of polydimethylsiloxane (PDMS) as a method of creating an electrically actuated, flexible microfluidic valve. Samples of PDMS loaded with various surface loadings of MWCNT on the surface are …
-
Directed assembly of functional patterns
… were electrochemically generated in-situ; 3) multiwalled carbon nanotubes (MWNTs) assemblies were produced both in-situ via dielectrophoretic assembly and ex-situ via interfacial assembly; 4) MWNTs/PEDOT hybrid assemblies were produced both in-situ and ex-situ; 5) MWNTs/NPs assemblies were …
-
STUDY OF GAS ADSORPTION ON AS-PRODUCED AND MODIFIED CARBON NANOTUBES
… on July 6 2009, at Southern Illinois University Carbondale. TITLE: STUDY OF GAS ADSORPTION ON AS-PRODUCED AND MODIFIED CARBON NANOTUBES MAJOR PROFESSOR: Dr. Aldo D. Migone Volumetric adsorption isotherm measurements were used to study the adsorption characteristics of Ethane (C2H6) and Butane …
-
Effect of carbon nanoparticle addition on epoxy cure
… of British Columbia (Canada). The effects of carbon nanoparticle incorporation on the cure kinetics and the glass transition temperature advancement of two of the epoxy systems were also studied. Cure kinetics models were developed for the nanocomposites containing commercial multiwalled …
-
Modification of Ternary Nitrate Mixture's Thermal Properties
… research is to determine whether the addition of multiwalled carbon nanotubes (MWCNT) and an aluminum dopant to a ternary nitrate mixture will result in favorable properties for use in a concentrated solar power system as a heat transfer fluid (HTF) or thermal energy storage (TES) material. The …
-
Cardiovascular Outcomes Following Xenobiotic Pulmonary Exposures
… exposure to silver nanoparticles (AgNP) or multiwalled carbon nanotubes (MWCNT) we observed expansion of cardiac ischemia reperfusion injury, increased mitochondrial sensitivity to Ca++ leading to mitochondrial transition, elevations in circulating cytokines, including IL-6, independent of …
-
Electrochemical Behavior of Carbon Nanostructured Electrodes: Graphene, Carbon Nanotubes, and Nanocrystalline Diamond
… to investigate the electrochemical behavior of carbon nanostructures of varying morphology, identify morphological characteristics that improve electrochemical capacitance for applications in energy storage and neural stimulation, and engineer and characterize a boron-doped diamond (BDD) …
-
The Electrochemical Characterisation of Carbon-based Nanomaterials and their Application in the Detection of Heavy Metal Ions
… ions in aqueous solutions. Firstly, the use of carbon-based nanomaterials commonly used in the construction of electrochemical sensors; multiwalled carbon nanotubes (MWCNTs) and graphene, were characterised using a potassium ferricyanide probe. The carbon nanomaterials were constructed using …
-
The Formation of Metal Nanoparticle-Carbon Nanotube Composite Materials for the Non-enzymatic Detection of Glucose
… of gold nanoparticles (AuNPs) and functionalised multiwalled carbon nanotubes (fMWCNTs) were initially prepared using simple synthetic reduction methods, involving the chemical agents sodium borohydride and trisodium citrate. These composites were named fMWCNT-Aunano(NaBH4) and …
-
Preparation and properties of micro- and nanocomposites based on high density polyethylene
… micrometric copper particles, nanometric carbon blacks (CBs) and multiwalled carbon nanotubes (MWCNTs). In the first part of this dissertation, the fracture behaviour of PE-CB composites was investigated via the Essential Work of Fracture (EWF) approach by producing composites with …
-
An Electrochemical Investigation into the Corrosion Protection Properties of Coatings for the Active Metal Copper
… sulfonate (DBS) along with the incorporation of multiwalled carbon nanotubes (MWCNT), and viologen films adsorbed at copper. The corrosion protective properties of these films were studied and compared to the uncoated copper substrate. They were assessed and studied using a combination of cyclic …
-
Nanostructured materials for photovoltaics and microwave electronics: methods and applications
… at once, e.g. chirality separated Single Walled Carbon Nanotubes (SWCNTs). Chirality selection allowed for tuning the energy barrier at the TiO2/SWCNTs/FTO interface, electronic conductivity enhancement and reduced SWCNTs-Ruthenium dye competition for light absorption resulting in a 81 % ŋ …
-
New functional polymers for sensors, smart materials and solar cells
… resists, poly (olefin sulfone)s (POSs), and multiwalled carbon nanotubes is presented. The polymeric active component is radiation labile and its degradation after a sensing event leads to morphological and electrical changes in the composite at the nanoscale. As a result, a signal can be …
-
New approaches to scaled-up carbon nanotube synthesis and nanotube-based metal composites and sensors
… the cost-effective synthesis of single walled carbon nanotubes (SWNTs) by thermally-induced catalytic chemical vapor deposition (CVD). With the goal of understanding the growth mechanism and optimize the synthesis process, the effect of CVD and catalyst parameters on nanotube formation was …
-
Rapid molecular signature analysis of pseudomonas aeruginosa by direct nanomolar detection of quorum sensing and biomarker molecules at a boron-doped diamond electrode
… or SPE. The electroanalysis behavior at glassy carbon (GC) and BDD electrodes is compared for the detection of another biomolecule of P. aeruginosa specifically the synthesized ruminal biomarker “barakacin”. At pH 2.0, the detection limit (S/N = 3) on the BDD electrode is 5 nM, 100-fold lower …
Page 1 of 2