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 21 for “"Multi-walled carbon nanotube"”.
-
Production and characterisation of hydroxyapatite/multi-walled carbon nanotube composites
… for major load-bearing medical devices. Carbon nanotubes (CNTs), as one of the strongest and stiffest materials available, have the potential to strengthen and toughen HA, thus expanding the range of clinical uses for the material. Furthermore, studies have suggested that the nanotubes …
-
A magnetorheological study of single-walled and multi-walled carbon nanotube dispersions in mineral oil and epoxy resin.
Single wall carbon nanotubes (SWNTs) and multi-walled carbon nanotubes (MWNTs) were dispersed in mineral oil and epoxy resin. The magnetorheological properties of these dispersions were studied using a parallel plate rheometer. Strain sweeps, frequency sweeps, magneto sweeps and steady shear tests …
-
Feasibility Study of Multi-application, Multi-Walled Carbon Nanotube for Magnetic Resonance Temperatrue Imaging Guided Laser Induced Thermal Therapy
In this work multi-application, multi-walled carbon nanotubes (MWCNTs) as super MR contrast agents and Near-Infared Radiation (NIR) laser absorbers are combined with Proton Resonance Frequency (PRF) based Magnetic Resonance Temperature Imaging (MRTI) to improve the safety and efficacy of Laser …
-
APPLICATION OF POLYETHYLENE-GLYCOL LINKED MULTI-WALLED CARBON NANOTUBES FOR IMPROVED STEM CELL DIFFERENTIATION
POLYETHYLENE GLYCOL LINKED MULTI-WALLED CARBON NANOTUBE (PEG-CNT) FILMS ALONE COULD DIRECT THE SKELETAL MYOGENIC DIFFERENTIATION OF HUMAN MESENCHYMAL STEM CELLS (HMSCS), EVEN IN THE ABSENCE OF MYOGENIC INDUCTION FACTORS. TO ENHANCE THE MYOGENIC DIFFERENTIATION OF HMSCS, WE DESIGNED AND FABRICATED A …
-
Development, Analysis, and Comparison of Electromechanical Properties and Electrode Morphology of Ionic Polymer Metal Composites
… electrodes, gold sputter coated electrodes and multi-walled carbon nanotube Bucky paper electrodes to create enhanced IPMCs, comparative analysis of different manufacturing methodologies discussing the electrode morphology using scanning electron microscopy and energy dispersive X-ray …
-
Experimental characterization of adsorption and transport properties for advanced thermo-adsorptive batteries
… powder, ~2 [mu]m average size) combined with carbon nano-materials, such as functionalized multi-walled carbon nanotube and graphene, are carried out to improve the effective thermal conductivity. Furthermore, we carried out performance characterization of a single-layer adsorption stack for …
-
Switchable stiffness scanning microscope probe
… scanning of nano-scale trenches and grooves, a multi-walled carbon nanotube, embedded in a nanopellet, is planned as a high-aspect-ratio tip. The variable stiffness is accomplished in a mechanical way by engaging or disengaging auxiliary beams to the compliant beam structure by means of …
-
Development of New Cathodic Interlayers with Nano-Architectures for Lithium-Sulfur Batteries
… chemistry method and were coupled with a sulfur/multi-walled carbon nanotube (S/MWCNT) composite cathode. The cell with this configuration showed a good cycle life at a high current rate ascribed to (a) a strong interaction between the polysulfides and ZnO nanowires grown on conductive …
-
Polymer and carbon nanotube materials for chemical sensors and organic electronics
… a chemiresistive material based on single-walled carbon nanotubes (SWCNTs) and hexafluoroisopropanol (HFIP) functionalized polythiophene, with a largely simplified fabrication process. The sensor shows high sensitivity and selectivity for a nerve reagent stimulant. A series of mechanistic …
-
Effect of Processing Techniques and Blend Compositions on Electrical Properties of Immiscible Polymer Blend/MWCNT Nanocomposites
… we have reported three strategies to mix 3 wt % multi-walled carbon nanotube (MWCNT) in five blend compositions of polystyrene (PS)/poly (vinylidene fluoride) (PVDF) blend system. In chapter 5, six techniques are mentioned to mix 2.7 vol % MWCNT in three compositions of PS/poly (methyl …
-
The influence of multi-walled carbon nanotubes on the properties of polypropylene nanocomposite. The enhancement of dispersion and alignment of multiwalled carbon nanotube in polypropylene nanocomposite and its effect on the mechanical, thermal, rheological and electrical properties.
Carbon nanotubes are known as ideal fillers for polymer systems; the main advantage of carbon nanotubes over other nano-reinforcing particles is the combination of superior strength and stiffness with large aspect ratio. Carbon nanotubes may improve the mechanical, electrical and thermal properties …
-
Layer-by-layer carbon nanotube electrodes for flexible chemical sensor and energy storage applications
… technique has been investigated for creating multi-walled carbon nanotube (MWNT) films on porous electrospun fiber mats via LbL assembly of surface-functionalized MWNTs. Negative and positive charges were introduced on outer walls of MWNTs by surface functionalization to enable the assembly of …
-
Characterization of Intermolecular Interactions in Nanostructured Materials
… compare the hydrogen bonding behavior of multi-walled carbon nanotube (MWCNT)-polyurethane composites. Spectra were collected from 35 to 185 deg C for samples containing various weight percent loadings of MWCNTs with different hydrogen bonding surface functionalities. Peak fitting analysis …
-
Optimisation of silicone-based dielectric elastomer transducers by means of block copolymers – synthesis and compounding
… polymer was developed through the use of a multi-walled carbon nanotube (MWCNT) in a PDMS-PEG matrix as a compliant electrode of dielectric elastomers. The conductive PDMS-PEG copolymer was incorporated with surface-treated MWCNT, in order to obtain highly conductive elastomer. The prepared …
-
Carbon nanotube surfaces for low force contact application
… the mechanical and electrical properties of gold/multi-walled carbon nanotube (Au/MWCNT) composites: 1) a modified nano-indentation; and 2) a PZT actuator test rig. These apparatuses were used to mimic force-displacement and contact behaviour of the MEMS relay?s contact at a maximum load of 1 mN …
-
Design, development and characterization of nanostructured electrochemical sensors
… which was studied in the presence of a carbon quantum dot (CQD) and gold nanoparticle nanohybrid system. CQDs, are a new class of carbon-based materials and have been used here for the first time as a matrix component integrated onto microfabricated gold electrode surfaces for enzyme …
-
Atomic structures of carbon nanomaterials studied by coherent electron diffraction
Carbon has an amazing number of different structural forms because of the versatility of its chemical bonds, which put it among the most extraordinary and complex of elements in materials science. Carbon readily forms nanostructures or nanoforms. The allotropes of carbon nanoforms, including …
-
Performance optimization of low-to-moderate temperature thermal systems: a multi-pronged investigation
… efficiency through the use of highly absorptive multi-walled carbon nanotube (MWCNT) selective absorber coating using CFD modeling method. Results from this study show that by using MWCNT selective absorber coating, a maximum increase in thermal energy output of ~7% can be achieved while PV cell …
-
Spray coated bentonite/MWCNT composite enzymatic biosensor for uric acid detection
… based on a nanocomposite of bentonite (BT) and multi-walled carbon nanotubes (MWCNTs) fabricated via spray coating. The composite utilizes the high conductivity and surface area of MWCNTs along with the ion-exchange capacity and antifouling properties of BT to improve both electron transfer and …
Page 1 of 2