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Showing 1 to 20 of 64 for “"MWCNTs"”.
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Effects of Multi-walled Carbon Nanotubes (MWCNTs) and Integrated MWCNTs/SiO2 Additives on Polymeric PVDF Membrane for Membrane Distillation
Multi-walled carbon nanotubes (MWCNTs) and integrated MWCNTs/ SiO2 nanoparticles (NPs) were loaded as additives into nanocomposite polyvinylidene fluoride (PVDF) membranes fabricated via phase inversion methods, and the effects of these additives on the structure and vacuum membrane distillation …
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Feasibility Study of Multi-application, Multi-Walled Carbon Nanotube for Magnetic Resonance Temperatrue Imaging Guided Laser Induced Thermal Therapy
… 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 Induced Thermal …
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Antibacterial nanoparticle - decorated carbon nanotube - reinforced calcium phosphate composites as bone implants
… property. Multi walled carbon nanotubes (MWCNTs), as one of the strongest and stiffest materials, have the potential to strengthen and toughen HA, thus expanding the range of clinical uses for the material. Furthermore, Silver nanoparticles (Ag NPs) can be decorated to sidewalls of the …
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New generation fiber reinforced polymer composites incorporating carbon nanotubes
… on the use of multi-walled carbon nanotubes (MWCNTs) to produce a new generation of FRP composites. The experiments showed significant improvements in the flexure properties of the nanocomposite when functionalized MWCNTs were used. In addition, MWCNTs were used to produce FRP composites in …
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NEW GENERATION POLYMER CONCRETE INCORPORATING CARBON NANOTUBES
… PC incorporating Multi-Walled Carbon Nano-Tubes (MWCNTs) was produced and its mechanical properties were investigated. Four mixes of PC with 0.0 (neat), 0.5, 1.0, and 1.5% MWCNTs, respectively, were prepared using low modulus polysulfide epoxy mixed with fine and coarse aggregate, or fine …
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Mechanics of deformation of carbon nanotubes
… (EOR) of the mechanical properties of MWCNTs was developed to model the anisotropic mechanical behavior of these tubes during various types of deformation. Analytical models of the micro-mechanical contact and deformation during nano-indentation and scratching of VACNTs were developed. …
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Sensitive Electrochemical Detection Platforms for Anthracene and Pyrene
… Versuch wurden Pt-Pd-Nanopartikel (NPs) und MWCNTs verwendet, um eine Glaskohlenstoffelektrode (GCE) zum empfindlichen Nachweis von Anthracen und Pyren zu modifizieren. Die verwendeten NPs wurden unter Verwendung eines wässrigen Extrakts aus Blättern von E. grandis synthetisiert, einem …
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Control of carbon nanotube stiffness via tunable fabrication process parameters that determine CNT geometry
… the geometry of multi-walled carbon nanotubes (MWCNTs). The results may be used to grow MWCNTs with desired stiffness properties. This is important to devices that rely on the compliance of MWCNTs in order to achieve specific performance requirements, e.g. deflection or stiffness. Examples of …
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Modification of Ternary Nitrate Mixture's Thermal Properties
… ·4H2O+KNO3+ NaNO3) at equal ratio embedded with MWCNTs and doped with Sol-gels were prepared and tested. The weight percentage of MWCNTs and aluminum dopant was approximately 1-2% each. After the samples were mixed together, they were placed in a vacuum furnace for eighty minutes at 450°C and …
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THE MOBILITY OF ENGINEERED MULTI-WALLED CARBON NANOTUBES IN POROUS MEDIA
… Engineered multi-walled carbon nanotubes (MWCNTs) are an important class of nanomaterials from an environmental perspective as they have application in water purification and also have an associated environmental risk. This study is conducted to explore the mobility of MWCNTs in porous …
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Piezoresistivity Characterization of Polymer Bonded Energetic Nanocomposites under Cyclic Load Cases for Structural Health Monitoring Applications
… randomly oriented multi-walled carbon nanotubes (MWCNTs) dispersed in the polymer binder of energetic composites were experimentally investigated. Ammonium perchlorate (AP) crystals served as the inert energetic and atomized aluminum as the metallic fuel, both of which were combined to create a …
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The Electrochemical Characterisation of Carbon-based Nanomaterials and their Application in the Detection of Heavy Metal Ions
… sensors; multiwalled carbon nanotubes (MWCNTs) and graphene, were characterised using a potassium ferricyanide probe. The carbon nanomaterials were constructed using pencil style electrodes which were modified via drop-casting. Both carbon nanomaterials were used in their pristine form, …
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Mechanical and electrical properties of carbon nanotubes surface-stamped on polydimethylsiloxane for microvalve actuation
… inclusion samples. The microstructure of the MWCNTs was found to consist of both individual fibers and spherical clumps of fibers. I suggest that, due to the microstructure of the MWCNTs used in this study, the mechanical properties can be modeled as a thin layer of particulates, while the …
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Tailoring Intermolecular Interactions for High-Performance Nanocomposites
Acid oxidation of multi-walled carbon nanotubes (MWCNTs) introduced carboxylic acid sites onto the MWCNT surface, which permitted further functionalization. Derivatization of carboxylic acid sites yielded amide-amine and amide-urea functionalized MWCNTs from oxidized precursors. Conventional MWCNT …
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Experimental investigations of solid-solid thermal interface conductance
… between metal and multi-walled carbon nanotubes (MWCNTs), a reasonable assumption may be that the conductance with the side walls of the MWCNTs is similar to the conductance with the ends of the MWCNTs. The second study considered aluminum on diamond interfaces where the diamond samples were …
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Electrocatalytic activities of supported Pt nanoparticles for low-temperature fuel cell applications
… In this work, multi-walled carbon nanotubes (MWCNTs) supported Pt NPs as a novel corrosion-resistant electrocatalyst support for the ORR is proposed as a solution. The Pt/MWCNTs were synthesized through the electrostatic interaction between the Pt precursor and the functionalized MWCNTs, …
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Multi-Walled Carbon Nanotubes-Modified Polymer Organic Photovoltaics
… research is to investigate the feasibility of MWCNTs for the application of polymer organic photovoltaics, and to study the formed MWCNTs-P3HT polymer nanocomposites properties, which are optical absorption, fluorescence emission, and morphology, as well as the formed photovoltaic device …
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Spray coated bentonite/MWCNT composite enzymatic biosensor for uric acid detection
… (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 long-term stability. Uricase …
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Dry-transfer of chemical vapour deposited nanocarbon thin films
… graphene and multi-walled carbon nanotubes (MWCNTs) as enabling technologies for flexible transparent conductors offering enhanced functionality. The technologies developed could be employed as thin film field emission sources, optical sensors and substrate-free wideband optical polarisers. …
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Synthesis and Properties of Ion-Containing Block and Segmented Copolymers and Their Composites
… multi-walled carbon nanotubes (MWCNTs) generated novel polyurethane nanocomposites with significantly enhanced mechanical performance. Modification of MWCNTs followed a dendritic strategy, which doubled the functionality by incorporating two ammonium cations per acid site. …
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