carbon nanotube 2018
Revealing the nature of morphological changes in carbon nanotube -polymer saturable absorber under high-power laser irradiation
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Composites of single-walled carbon nanotubes (SWNTs) and water-soluble polymers (WSP) are the focus of significant worldwide research due to a number of applications in biotechnology and photonics, particularly for ultrashort pulse generation. Despite the unique
Metal nanofibrils embedded in long free-standing carbon nanotube fibers with a high critical current density
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With the growth of nanoelectronics, the importance of thermal management in device packaging and the improvement of high-current-carrying interconnects/wires for avoiding the premature failure of devices have been emphasized. The heat and electrical transport Risperidone (RIS), one of the typical antipsychotics drugs, originally approved to be used for the mental illness treatment, especially schizophrenia, bipolar disorder, autism and major depression. In the present study, different carbon nanostructures including functionalized
Development of Poly (3, 4-ethylenedioxythiophene (PEDOT)/ carbon Nanotube Electrodes for Electrochemical Detection of Mancozeb in Water
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Assessments of the risk of water contamination caused by pesticides in agricultural areas are typically conducted using laborious methods and expensive instruments. Severe chronic diseases have been connected to the presence of Mancozeb (MCZ) in several bodies of Ferroelectric field-effect transistors (FeFETs) with single-walled carbon nanotube (SWCNT) dominated micron-wide stripe patterned as channel,(Bi, Nd) 4 Ti 3 O 12 films as insulator, and HfO 2 films as defect control layer were developed and fabricated. The prepared
Mechanical and Fracture Surface Analysis of Higher Viscous Epoxy/Multiwalled Carbon Nanotube Nanocomposites Subjected to Flexural Loading
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This study experimentally characterizes the effect of multiwalled carbon nanotubes (MWNTs) reinforced to higher viscous aircraft thermoset polymer epoxy. The effects of MWNTs weight percentage (wt%) to flexural and fracture toughness properties were investigated via Mode I
Voltammetric Determination of Venlafaxine by Using Multiwalled Carbon Nanotube -Ionic Liquid Composite Electrode
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The combination of multi-walled carbon nanotubes and ionic liquid 1-octylpyridinium hexa flourophosphate (OPFP) yields a carbon nanocomposite (MWCNT-CILE) that can be well used as electrode for electrocatalytic oxidation of venlafaxine (VEN). The influence of
Top Gate Planner Carbon Nanotube Field Effect Transistor using Nanohub
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A study of Id versus Vgs characteristic of the top gate planner CNTFETs for different diameter and length of carbon nanotube is done and simulation of the same is performed over Nanohub. The characteristic curve is plotted for three cases:(i)(10, 0) CNT with channel
Electrical conductivity and physical changes of functionalized carbon nanotube /graphite/stainless steel (SS316L)/polypropylene composites immersed in an
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Chemical functionalization of carbon nanotubes (CNTs) and graphite (G) was performed to improve their adhesion to a metal powder (SS316L) and a polypropylene (PP) matrix. A conductive pathway was thus formed to utilize the high electrical conductivity of the SS316L We present here results obtained during the developmental construction of a selective biological sensor based on carbon nanotubes chemically modified with specific aptamers. The sensory layer, consisting of a film of carbon nanotubes, on a flexible polymer substrate
Mechanical Property of Multiwall Carbon Nanotube Reinforced Polymer Composites
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This study investigates the multiwalled carbon nanotube as potential mechanical reinforcement in epoxy polymer. It is found that, by adding various concentrations of nanotube, both flow stress and fracture strain increased. Furthermore, the presences of the
Molecular Dynamic Simulation of Carbon Nanotube Reinforced Nanocomposites: The Effect of Interface Interaction on Mechanical Properties
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The mechanical properties of single wall carbon nanotube reinforced polymer (CP) composite have been investigated using COGNAC in molecular dynamic (MD) simulations. Nanocomposites are constructed by embedding single wall CNT (5, 5) into acrylate based The development of new techniques for rapid and continuous monitoring of urea in biomedical and clinical analysis is very important. Thus, conductive polymer-supported carbon nanotube as an effective electrochemical biosensing platform for direct detection of In this piece of writing, we have demonstrated the rotating flow of carbon nanotube passing over a stretching sheet. Two types of carbon nanotube , ie single-wall carbon nanotube (SWCNT) and multi-wall carbon nanotube ,(MWCNT) have been employed to illustrate the
Carbon Paste Electrode Modified by Multiwalled Carbon Nanotube for Electrochemical Determination of Vitamin C
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Abstract Carbon Paste Electrode Modified by silica gel/MWCNTs was manufactured and used for the electrochemical determination of Ascorbic acid (AA) in acetate buffer (pH= 5.0) using cyclic, linear sweep voltammetry and square wave voltammetry (CV, LSV, and SWV)
Rapid Growth of Dense and Long Carbon Nanotube Arrays and Its Application in Spinning Thread
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Carbon nanotubes (CNTs), a dependable allotrope of carbon, are foreseen to lead technology further to its reach. Also, the most researched carbon allotrope in its form. Drawable CNTs have recently unraveled numerous possible applications utilizing vertically
Quantum Mechanical Study on the Mechanistic, Energetic and Structural Aspects of Adsorption of 2-methoxyestradiol Drug on Functionalized Carbon Nanotube
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Using density functional theory, noncovalent interactions and two mechanisms of covalent functionalization of drug 2-methoxyestradiol with functionalized carbon nanotube (CNT) have been investigated. Quantum molecular descriptors of noncovalent configurations were
Electrochemical determination of lead (II) ions in hot spring water based on a multi-walled carbon nanotube -modified glassy carbon electrode
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The present study reports the fabrication of a carbon nanotube /Nafion composite film (MWNT/Nafion)-modified glassy carbon electrode (GCE) along with its excellent performance in the analysis of Pb 2+(favorable catalytic activity, large surface area, high
Laser-based Fabrication of Carbon Nanotube -Silver Composites with Enhanced Fatigue Performance onto a Flexible Substrate
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Flexible electronic devices involve electronic circuits fabricated onto a flexible (eg, polymer) substrate, and they have many important applications. However, during their use, they often need to go through repeated deformations (such as bending). This may generate cracks in
Impact of Inter-Wall Distance on Physical Properties of Metal-Semiconducting Double Walled Carbon Nanotube Quantum Dot
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Here we report the effect of inter-wall distance of CNT on transmission probabilities of electrons and holes as well as their binding energies. The binding energies were calculated using the variational method within the effective mass approximation and confinement
STUDY OF HORN SHAPE DOUBLE SINGLE WALLED CARBON NANOTUBE SYSTEM VIA MODIFIED COUPLE STRESS THEORY
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In the modern biomedical era of developing nanodevices particularly for the disease detection, fast and precise response is appreciated. Horn shaped double single walled carbon nanotube system (DSWNTS) possess excellent sensing characteristics due to better The present work deals with bending behavior of nanocomposite beam resting on two parameters modified Vlasov model foundation (MVMF), with consideration of agglomeration and distribution of carbon nanotubes (CNTs) in beam matrix. Equivalent fiber based on
Enhanced Contacts for Inverted Metamorphic Multi-Junction Solar Cells Using Carbon Nanotube Metal Matrix Composites
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Development of inverted metamorphic multi-junction (IMM) solar cell technology has raised deployment issues regarding structure fracture from stress induced by packaging, vibration during transport, and operation. The proposed program involves development of a To develop the differential piezoresistive sensor made of carbon nanotube filled silicone rubber composite with concise configuration, a coplanar-electrodes-based differential structure is designed. The structure includes two composite films with high carbon nanotube
Solid-phase Extraction Using Modified Carbon Nanotube and Cupferron Ligand for Preconcentration and Determination of Trace Amounts of Copper in Real
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A solid phase extraction procedure for simultaneous separation and preconcentration of trace amounts of Cu+ 2 ion from various real samples prior to its determination by flame atomic absorption spectrometry has been developed. The proposed method is based on the
Confidence measures for carbon nanotube /liquid crystals classifiers.
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This paper focuses on a performance analysis of single-walled- carbon nanotube /liquid crystal classifiers produced by evolution in materio. A new confidence measure is proposed in this paper. It is different from statistical tools commonly used to evaluate the performance Predicting thermomechanical properties of composites containing carbon nanotubes (CNTs) is significantly depending on the assumed microstructural parameters (MSPs) of CNTs and CNT/matrix morphology. These MSPs include geometry, dispersion and orientation. On the
Removal of Oxidative Debris from Chemically Functionalized Multi-walled Carbon Nanotube (MWCNT)
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Oxidized multi-walled carbon nanotubes (MWCNTs) were prepared by functionalizing MWCNTs with nitric acid (70%). In order to remove the oxidative debris, in which partially attached onto the outer layer of MWCNTs side wall, the functionalized MWCNTs (f
Preparation of a Highly Crystalline Single-Walled Carbon Nanotube Ink for the Synthesis of a Planar Field Electron Emitter
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We synthesised a planar field emission (FE) cathode using a homogeneous dispersion of highly crystalline single-walled carbon nanotubes (HC-SWCNTs). We carried out a controlled dispersion to minimise crystal defects. Commercial SWCNTs were annealed
Production of Water Dispersible Carbon Nanotubes and Nanotube/Cellulose Composite
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physical properties. Here, we introduced a convenient produc- tion method for the CNT composite, where cellulose is employing with multiwalled carbon nanotube (MWNTs) to enlarge the cellulose functionalities. This approach
Enhancement of Machining Performance during Electrical Discharge Machining of Stainless Steel with Carbon Nanotube Powder Added Dielectric Fluid
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Electrical discharge machining (EDM) is a nontraditional process of removing material from an electrically conductive work piece. It produces sparks to produce any desired shape cavity or geometry. The demand for good surface finish of a workpiece in EDM has
Effect of the carbon nanotube (CNT) in the materials used for prosthetics and orthotics applications
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In this work, the optimal mechanical properties of the lamination materials that used in manufacturing prosthesis and orthoses parts are studied. The optimization is selected according to high yield, ultimate stresses, bending stress and fatigue properties. The method In this paper, Cu 2 O/multi-walled carbon nanotube (Cu 2 O/MWCNT) hybrid material was successfully synthesized by a precipitation method. The constituent, morphology, structure, interaction, and electromagnetic parameters of the Cu 2 O/MWCNT hybrid material were
INFLUENCE OF PULSED ELECTROPHORETIC DEPOSITION OF GRAPHITIC CARBON NANOTUBE ON ELECTROCHEMICAL CAPACITOR PERFORMANCE
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Carbon nanotube (CNT)-based electrochemical capacitor (EC) has been actively studied as a high-power density energy storage for the portable product and energy sustainable development. The present work reports the deposit yields and graphitic concentration of
Pyrenyl pendent siloxane core dendritic skeletal chain extended multi-walled carbon nanotube reinforced hyperbranched polyimide (MWCNT/PI)
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A new type of novel polyimide (PI) were structurally designed and developed from pyrenyl pendent diamine and melamine with siloxane-based dianhydride (SDA) in 1-methyl-2- pyrrolidone (NMP) medium via thermal imidization. Varying weight percentages (0.5, 1.0 In the present study, Pt Sn M (M= Ru, Ni, and Ir) nanocatalysts were supported on multiwalled carbon nanotube and their electrocatalytic activity for ethanol oxidation in membraneless fuel cells was investigated. The combination of monometallic Pt/MWCNTs, bi
EFFECTS OF MULTI-WALLED CARBON NANOTUBE (MWCNT) ON RAMIE FIBER-REINFORCED EPOXY RESIN COMPOSITES.
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The ramie-reinforced epoxy resin composites have been widely used in aerospace, automobile, watercraft, wind electricity, micro-electronic packaging, electromagnetic shielding, electronic information and other fields [1-2]. For this, it has become an
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