Carbon nanotubeCNTsBoron nitride nanotubesNanocompositesMulti-walledCompositesCharacterizationGrapheneSonicationPolymerSWCNTMWCNTsArmchairCharacterizeCyclicSWNTAqueousNanostructuresPigmentMacroscopicFibersDensityConcentrationsDiameterStabilityPhotoluminescenceStablePropertiesOxidationParticlesMolecularInteractionsBehaveCompositeIncreasesStudyMechanismsMatrixIndividualMaterialsDiffusionSingleHighChallengesTypesProcessFundamental
Carbon nanotube9
- Characterizing the Single-Walled Carbon Nanotube Dispersions: Novel Methods Development and Their Applications. (fsu.edu)
- Carbon nanotube conductive coatings are a prospective replacement. (wikipedia.org)
- One of the most used nanoparticles is carbon nanotube (CNT), which has remarkable mechanical and electrical properties. (worldnanotechnologyconference.com)
- Why IDTechEx for research on graphene, carbon nanotube and non-graphene 2D materials? (idtechex.com)
- I lead a mini research project in the third year undergraduate teaching laboratory focussing on the synthesis and catalytic properties of palladium nanoparticle/carbon nanotube nanocomposites. (nottingham.ac.uk)
- This session focuses on carbon nanotube applications including the issues regarding their processing and characterization. (confex.com)
- Also included are papers dealing with characterization methods for carbon nanotube materials. (confex.com)
- Multiscale carbon nanotube-carbon fiber reinforcement for advanced epoxy composites. (springer.com)
- 2006-11-12 · A zigzag nanotube is a carbon nanotube with a particular orientation. (teen-hot.com)
CNTs7
- Detonation nanodiamonds (NDs) were deposited on the surface of aligned carbon nanotubes (CNTs) by immersing a CNT array in an aqueous suspension of NDs in dimethylsulfoxide (DMSO). (nature.com)
- Nanostructured materials consisting of carbon nanotubes (CNTs) and nanodiamonds (NDs) possess a combination of outstanding functional properties of two constituents, e.g. high electrical and thermal conductivity, mechanical and chemical stability, large surface area. (nature.com)
- However, the synthesis did not allow producing the coating on a CNT body, probably, due to closely packing of CNTs in the film and relatively small nanotube diameters (tens of nanometers). (nature.com)
- Carbon nanotubes (CNTs) are increasingly being used in electronics products. (mdpi.com)
- Carbon nanotubes (CNTs) have been known for many decades, but the moment of significant commercial growth is now upon us. (idtechex.com)
- within this, vertically aligned CNTs (VACNTs) are one of the most exciting areas taking advantage of the inherent anisotropy of the nanotubes. (idtechex.com)
- A uniform dispersion of CNTs in 3D-printable inks can enhance the properties of ink and enable new applications in various fields. (hielscher.com)
Boron nitride nanotubes3
- Effectively translating the promising properties of boron nitride nanotubes (BNNTs) into macroscopic assemblies has vast potential for applications, such as thermal management materials and protective fabrics against hazardous environment. (rsc.org)
- Host-Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. (nottingham.ac.uk)
- 2020-10-24 · The optical and electronic properties of boron nitride nanotubes have been studied using the full potential linear augmented plane wave method in the framework of density functional theory. (teen-hot.com)
Nanocomposites3
- High-resolution transmission electron microscopy (HRTEM) correlated the dispersion of the nanofillers and morphology of the nanocomposites. (amrita.edu)
- It is believed that carbon nanotubes promote high stiffness and strength in materials as they act as reinforcing filler in nanocomposites. (dissertation.com)
- The presence of multiwalled carbon nanotubes increases crystallinity of composites dramatically, but after adding MWNTs, the Young's modulus of the nanocomposites decreased. (dissertation.com)
Multi-walled3
- Boron nitride nanotube s (BNNT) are multi-walled nanotube s composed of hexagonal B-N bonds and are an emerging nanomaterial for which markets are rapidly expanding. (cdc.gov)
- has embedded multi-walled nanotubes (MWNT) into PEG-based Pebax solution to separate CO 2 /CH 4 and CO 2 /N 2 , respectively [ 20 ]. (springer.com)
- The synergistic effect of using polystyrene-grafted multi-walled carbon nanotubes (PSgMWCNT) and a surfactant in the dispersion of MWCNT in a self-assembled poly(styrene-b-isoprene-b-styrene) (SIS) block copolymer is reported. (conicet.gov.ar)
Composites3
- In this work, the effect of inclusion of 0.5 to 2 wt% multiwalled carbon nanotubes (MWCNT) in epoxy on the performance of the epoxy-carbon fabric (CF) composites is analyzed. (amrita.edu)
- My research interests include the preparation, manipulation and characterisation of a wide range of molecular, carbon and inorganic nanomaterials, with particular focus on the synthesis, transformation and analysis of one-dimensional carbon nanostructures (nanotubes and nanofibres) and their composites by micro Raman spectroscopy. (nottingham.ac.uk)
- Functionalized single-walled carbon nanotubes for carbon fiber-epoxy composites, J Phys Chem C 111 (2007), pp. 17865-17871. (springer.com)
Characterization1
- Two different techniques for in-situ structural characterization of SWCNTs in dispersion have been developed. (fsu.edu)
Graphene2
- This report offers a detailed analysis of the technological and commercial progress as well as prospects of graphene, carbon nanotubes and non-graphene 2D materials. (idtechex.com)
- Nanomaterials such as graphene and carbon nanotubes are considered better filler materials to improve the flame retardancy of epoxy-based resins. (hindawi.com)
Sonication1
- The application of PUM and SRSPL has been demonstrated in studying the structural changes of SWCNT dispersion under different processing (sonication and ultracetrifugation) conditions. (fsu.edu)
Polymer4
- Carbon nanotubes tend to agglomerate in the polymer matrix, and it is difficult to separate individual nanotubes, even when surfactants are used during the mixing. (4spe.org)
- To overcome the problems associated with agglomeration of nanofillers, the feasibility of dispersing carbon nanotubes in a polymer matrix by a novel methodology which involves mechanically pre-coating the polymer particles with the nano-fillers in the dry state prior to melt processing is being investigated. (4spe.org)
- Functionalised titanate nanotubes (TiNTs) were incorporated to poly(5,5-bisbenzimidazole-2,2-diyl-1,3-phenylene) (PBI) or poly(2,6-dimethyl-1,4-phenylene oxide) (PPO) for improving the interfacial compatibility between the polymer matrix and inorganic material and for altering the gas separation performance of the neat polymer membranes. (springer.com)
- Ultrasonication promotes the dispersion of nano-sized, polymeric hydrogel particles as well as the subsequent inclusion/incorporation of nanoparticles into these polymer structures. (hielscher.com)
SWCNT6
- Therefore, it is crucial to have an easy-to-use and reliable way to characterize and quantify the corresponding structural information of SWCNT in dispersion such as bundle size, bundling state, defect density, etc. (fsu.edu)
- The Preparative Ultracentrifuge Method (PUM) combined with dynamic light scattering (DLS) technique provides us an approach to investigate the bulk averaged SWCNT bundle size in dispersion. (fsu.edu)
- The Simultaneous Raman Scattering and Photoluminescence (SRSPL) technique allows us to study the bundling state/degree of exfoliation of SWCNT in dispersion. (fsu.edu)
- 3) fabricate and characterize the electrical and mechanical properties of SWCNT thin films to elucidate the effects of bundling state and defect density of SWCNTs in the dispersion. (fsu.edu)
- Here, we used myeloperoxidase knockout B6.129X1-MPO (MPO k/o) mice and showed that oxidation and clearance of single walled carbon nanotubes (SWCNT) from the lungs of these animals after pharyngeal aspiration was markedly less effective whereas the inflammatory response was more robust than in wild-type C57Bl/6 mice. (cdc.gov)
- These health concerns have demonstrated that clearance and oxidation of single wall carbon been associated - to a large extent - with the reported long ``life- nanotubes (SWCNT) in the lungs after their pharyngeal span'' of SWCNT in the lung thus necessitating exploration of aspiration was markedly less effective whereas inflammatory possible metabolic pathways leading to their biodegradation. (cdc.gov)
MWCNTs1
- Prof. Rod Ruoff's group realized such challenging tests on individual multiwalled carbon nanotubes (MWCNTs) using a testing stage based on a nanomanipulation tool operating inside a SEM. (imechanica.org)
Armchair1
- n,0) zigzag nanotube (n,n) armchair nanotube (n,m) chiral nanotube An atomically resolved image of a chiral nanotube as observed in STM experiments. (teen-hot.com)
Characterize1
- Measuring chirality and the diameter (i.e. height) of the nanotube, one can uniquely characterize the nanotube under study. (teen-hot.com)
Cyclic2
- The band structure and size-scaling of electronic properties in self-assembled cyclic oligothiophene nanotubes are investigated using density functional theory (DFT) for the first time. (arxiv.org)
- In this work, multiwalled carbon nanotubes (MWNTs) were blended with cyclic poly (butylene terephthalate) by a new method. (dissertation.com)
SWNT1
- This ordered dispersion was extruded via solution spinning into continuous lengths of macroscopic neat SWNT fibers. (teen-hot.com)
Aqueous1
Nanostructures1
- Our results on these molecular nanostructures indicate that all of the oligothiophene nanotubes are direct-gap semiconductors with band gaps ranging from 0.9 eV - 3.3 eV, depending on tube diameter and oligothiophene orientation. (arxiv.org)
Pigment1
- The production of colorants and pigment suspensions requires reliable dispersion and mixing. (hielscher.com)
Macroscopic1
- Well-aligned macroscopic fibers composed solely of single-walled carbon nanotubes (SWNTs) were produced by conventional spinning. (teen-hot.com)
Fibers2
- Our results demonstrate that BNNTs/PVA fibers exhibit enhanced mechanical properties, which are affected by the nanotube and PVA concentrations, and the coagulation solvent utilized. (rsc.org)
- Compared to the neat PVA fibers, we obtained roughly 4.3-, 12.7-, and 1.5-fold increases in the tensile strength, Young's modulus, and toughness, respectively, for the highest performing BNNTs/PVA fibers produced from dispersions containing as low as 0.1 mass% of nanotube concentration. (rsc.org)
Density6
- Based on the 1D exciton diffusion model, we can also use the SRSPL technique to estimate the defect density of SWCNTs in dispersion. (fsu.edu)
- Detailed data analysis suggests the presence of an equilibrium bundle number density and that the dispersions self-arrange themselves to always remain close to the dilute/semidilute boundary. (giordanigroup.com)
- The number density of individual nanotubes peaks at a concentration of ∼10-2 mg/mL. (giordanigroup.com)
- Comparison of the number density and partial concentration also of individual nanotubes reveals that the individual nanotubes have average molar masses of ∼700,000 g/mol. (giordanigroup.com)
- Negative plasmon dispersion in 2H-NbS2 beyond charge-density-wave interpretation- Stable monolayer honeycomb-like structures of RuX2 X S, Se. (dtic.mil)
- Band structure and density of states for a (10,0) zigzag nanotube within the zone-folding model. (teen-hot.com)
Concentrations2
- At high concentrations some very large (∼100s of micrometers) nanotube aggregates exist that can be removed by mild centrifugation. (giordanigroup.com)
- By measurement of the absorbance before and after centrifugation as a function of concentration the relative aggregate and dispersed nanotube concentrations can be monitored. (giordanigroup.com)
Diameter1
Stability1
Photoluminescence1
- The presence of individual nanotubes in NMP dispersion was confirmed by photoluminescence spectroscopy. (giordanigroup.com)
Stable2
- After centrifugation, the dispersions are stable against sedimentation and further aggregation for a period of weeks at least. (giordanigroup.com)
- In the subsequent zone, expansion creates turbulence and impact forces where de-agglomeration occurs and a stable dispersion is created. (pcimag.com)
Properties5
- Single-walled carbon nanotubes (SWCNTs) thin films exhibit great potential in various applications thanks to their extraordinary physical and mechanical properties. (fsu.edu)
- Finally, the nature of the solvent properties required for dispersion are discussed. (giordanigroup.com)
- Further studies are needed to determine if physicochemical properties, such as length and impurities, will impact toxicity profiles of BNNT and byproducts resulting from dispersion. (cdc.gov)
- The session will feature technology that exploits the novel electronic, electro-mechanical, optical, and structural properties of carbon nanotubes for the solution of engineering problems. (confex.com)
- Usage of nanofiller needs suitable dispersion in loading level to achieve the expected properties [ 29 - 34 ]. (hindawi.com)
Particles1
- The remarkable dispersion of the organoclay particles at the nano-level is discussed in terms of solubility parameter and favorable interactions between PET macromolecules and organic modifier of the nanoclay. (degruyter.com)
Molecular1
- 2013-4-15 · The Nanotube Builder plugin generates SWCN structures of arbitrary length and chirality for the purpose of molecular simulations or nanoscience education. (teen-hot.com)
Interactions1
- In order to simultaneously describe both the {\pi}-{\pi} stacking interactions and the global electronic band structure of these nanotubes, we utilize a dispersion-corrected B3LYP-D hybrid functional in conjunction with all-electron basis sets and one-dimensional periodic boundary conditions. (arxiv.org)
Behave1
- Both the mass fraction and the partial concentration of individual nanotubes can also be measured and behave in similar fashion. (giordanigroup.com)
Composite2
- Visualization of carbon nanotubes dispersion in composite by using confocal laser scanning microscopy. (mpg.de)
- However, a high dispersion of PSgMWCNT in SIS is achieved when dodecanethiol (DT) was added through composite preparation, without affecting the SIS capacity to self-assemble in ordered cylinders. (conicet.gov.ar)
Increases1
- A population of individual nanotubes is always observed that increases with decreasing concentration until almost 70% of all dispersed objects are individual nanotubes at a concentration of 0.004 mg/mL. (giordanigroup.com)
Study4
- Lung toxicity following a dose-response in vivo study of dispersed boron nitride nanotube s. (cdc.gov)
- In this research, the first detailed study characterizing the dispersion of carbon nanotubes into an isophthalic unsaturated polyester resin was performed. (auburn.edu)
- The study based on the chemiluminescence (CL) reaction of potassium ferricyanide and luminol in sodium hydroxide medium, enrofloxacin (ENRO) could dramatically enhance CL intensities and incorporated with matrix solid-phase dispersion (MSPD) technique (Florisil used as dispersant, dichloromethane eluted the target compounds). (hindawi.com)
- In our aerosol lab facilities we can study mechanisms of emissions and dispersion in a highly controlled environment. (lu.se)
Mechanisms1
- Biopersistence of carbon nanotubes (CNT) - resulting from their (neutrophils), - involved in the principal defense mechanisms of inherent durability [1,2] is one the major stumbling blocks on the innate immunity -was also effective in oxidative biodegradation of way of their broad biomedical applications. (cdc.gov)
Matrix2
- CNT-GB presented the better dispersion into the PHBV matrix, resulting in the lower value of Ea. (worldnanotechnologyconference.com)
- Matrix solid-phase dispersion (MSPD) is an effective sample preparation technique first reported in 1989 by American professor Baker [ 11 ]. (hindawi.com)
Individual1
- In addition, Raman spectroscopy confirms the presence of large quantities of individual nanotubes in the deposited films. (giordanigroup.com)
Materials1
- The materials were mixed in solid dispersion and prepared by simultaneous in situ polymerisation. (dissertation.com)
Diffusion2
- A mathematical model of nanopar- ticle transport by airflow convection, axial diffusion, and convective mixing (dispersion) was developed in realistic stochastically generated asymmetric human lung geometries. (cdc.gov)
- Axial transport by diffusion and dispersion was found to have an effect on particle deposition. (cdc.gov)
Single3
- Large-scale debundling of single-walled nanotubes has been demonstrated by dilution of nanotube dispersions in the solvent N-methyl-2-pyrrolidone (NMP). (giordanigroup.com)
- Stabilization of Polyoxometalate Charge Carriers via Redox-Driven Nanoconfinement in Single-Walled Carbon Nanotubes ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. (nottingham.ac.uk)
- A pyrene-like ring of the nanotube is chosen as an adsorption site in the high layer of the ONIOM calculations for the adsorption of a single molecule. (teen-hot.com)
High3
- The unit was designed for a dispersion process between typical high-speed dissolvers, in-line mixers and media mills. (pcimag.com)
- The OMEGA technology boasts high efficiency and high throughput with fewer passes for difficult dispersions and repeatable product quality. (pcimag.com)
- Product experiences high shear rates and velocity more than 300 m/s, with a residence time within the dispersion device of less than one second. (pcimag.com)
Challenges1
- The extremely small dimensions of nanobuilding blocks (for instance, nanoparticles, nanotubes, and nanowires) have imposed great challenges to many existing instruments, methodologies, and even theories. (imechanica.org)
Types1
- There is a wide range of technology and manufacturing readiness for the different types of nanotubes. (idtechex.com)
Process1
- Let's consider the energy input required to process a dispersion. (pcimag.com)
Fundamental1
- The OMEGA consists of two fundamental parts - the medium pressure pump (MPP) within the body of the machine frame, and the NETZSCH Dispersion Device (NDD). (pcimag.com)