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Showing 1 to 20 of 63 for “"SWCNT"”.
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Highly - conductive cathode for lithium-ion battery using M13 phage - SWCNT complex
… such as single-walled carbon nanotubes (SWCNT or CNT), also improves the conductivity of the electrode, further improving the battery's rate capabilities (Lee et al., 2009). In this study, our goal is to improve the conductivity of the LIB battery cathode using M13-carbon nanotube …
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Developments in Extended Finite Element Methods for Extraction of Strain Energy Release Rates and Computational Nanomechanics for SWCNT Aggregates
… behavior of short single walled carbon nanotube (SWCNT) aggregates is investigated by a novel incremental constrained minimization approach. An AIREBO potential is used to model the interactions within and between CNTs. The idea is to homogenously disperse SWCNTs in the computational cell at …
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Detection and Quantification of Single-walled Carbon Nanotubes in Environmental and Biological Samples for Evaluation of Fate, Transport and Bioaccumulation
<p>Single-walled carbon nanotubes (SWCNT) are unique, anthropogenic allotropes of nanoparticulate black carbon. As numerous industrial and commercial uses of SWCNT result the heavy expansion of production of this material, the release of SWCNT is likely to occur, increasing their level in air, …
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Direct imaging of single-walled carbon nanotubes reptational dynamics in packed-colloid porous media
… dynamics of single-walled carbon nanotubes (SWCNTs) in complex porous media is key to understanding transport and mechanical properties in a variety of systems. Motion of semi-flexible filaments in gel-like porous media including polymer networks and cell cytoskeleton have been studied …
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Carbon Nanotubides: an Alternative for Dispersion, Functionalization and Composites Fabrication
Negatively charged single-walled carbon nanotube (SWCNT), also called SWCNT polyelectrolytes and single-walled carbon nanotubides (SWCNTDs), are formed by the reduction (either chemical or electrochemical) of the SWCNT wall by alkali metals (or an electrode) to form negative charged SWCNTs …
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Evaluation of Non-functionalized Single Walled Carbon Nanotubes Composites for Bone Tissue Engineering
… of PLAGA, Single Walled Carbon Nanotubes (SWCNT) were used as a reinforcing material to fabricate composite scaffolds. The overall goal of this project is to develop a Single Walled Carbon Nanotube composite (SWCNT/PLAGA) for bone regeneration and to examine the interaction of MC3T3-E1 …
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Electrical properties of various single-wall carbon nanotube networks
… functionalised single wall carbon nanotube (SWCNT) networks. Unlike previous strategies where diamines were used, a novel route to covalently bridge SWCNTs by organic molecular linkers is proposed. The bridging relies on using modified Sonogashira and Ullmann couplings, which have the …
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Photoluminescence studies of single-walled carbon nanotubes: Chirality-resolved length characterization and porphyrin sensitized electronic energy transfer
… properties of single-walled carbon nanotubes (SWCNT). While SWCNT diameter and chirality information is now routinely available from photoluminescence spectral analysis, the other primary structural parameter, length, has not been measurable except through tedious microscopy. This thesis …
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Carbon nanotube-based optical sensors for pharmaceutical applications : theory and experiment
Semiconducting single-walled carbon nanotubes (SWCNTs) are attractive transducers for biosensor applications due to their unique photostability, single molecule sensitivity, and ease of multiplexing. Sensors can be rendered selective via several detection modalities including the use of natural …
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Photochemical Tailoring of Single-Wall Carbon Nanotubes by Photoexcited Sodium Hypochlorite
Single-wall carbon nanotubes (SWCNTs) are intriguing 1D nanomaterials whose unusual electronic properties are of interest for a wide array of applications. More specifically, semiconducting SWCNTs have structure-specific electronic transitions that allow for discrete near-infrared fluorescence …
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Molecular Dynamics Model of Carbon Nanotubes in EPON 862/DETDA Polymer
… Adding single walled carbon nanotubes (SWCNT) to a polymer matrix can achieve that goal by improving delamination properties of the composite. Due to the complexity of polymer molecules and the curing process, few 3-D Molecular Dynamics simulations of a polymer-SWCNT composite have been …
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Ultrafast Dynamics of Individual Air-Suspended Single-Walled Carbon Nanotube
… properties of single-walled carbon nanotubes (SWCNTs) will no doubt benefit future technological applications. Since the discovery of band gap photoluminescence from isolated semiconducting SWCNTs, significant progresses in studying the optical properties of SWCNTs have been made (e.g. linear …
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Nanocomposite Dispersion: Quantifying the Structure-Function Relationship
… of various single wall carbon nanotube (SWCNT)-polymer composites as a function of processing conditions, composition of SWCNT and polymer matrix chemistry. Furthermore, the methodology is utilized to show that SWCNT dispersion exhibits fractal-like behavior thus allowing for simplified …
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Explorations of DNA-Single-Walled Carbon Nanotube Interactions to Develop Multiplexed Molecularly Specific Biosensors for Inflammation
… development of single-walled carbon nanotube (SWCNT) optical nanosensors capable of real-time, multiplexed, and molecularly specific cytokine detection through innovative use of single-stranded DNA (ssDNA) interfaces.</p> <p>First, an IL-6-specific DNA aptamer was employed as both a dispersing …
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Amorphous silica-based carbon nanotube and silver nanoprism coatings: synthesis and investigation of their optical properties /
… (i) silica-single-walled carbon nanotube (SWCNT) and (ii) silica-silver nanoprism (AgNPR) coatings. Research results showed, that the highest colloidal stability of SWCNTs in ethanol is obtained with surfactant P4VP. Saturable absorption experiments showed better performance of …
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Synthesis and characterisation of molecular nanostructures
… to investigate the purified raw material of SWCNT and synthesized MWBNNT, BN-nanocapsules, B-doped SWCNT and SiC nanostructures. Using bulk scale sensitive techniques, including optical absorption spectroscopy, Raman spectroscopy, high-resolution electron energy-loss spectroscopy, the average …
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Variance Spectroscopy and its Application to the Study of Single-Wall Carbon Nanotubes
… to characterize single-wall carbon nanotube (SWCNT) dispersions. This technique measures and analyzes changes in photoluminescence intensity caused by statistical variations in the local composition of dilute nanoparticle samples. The data are spectrally resolved, allowing for the analysis of …
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Molecular recognition using nanotube-adsorbed polymer complexes
… single-walled carbon nanotubes (AT₁₅-SWCNT). While SWNT suspended with eight other variant DNA sequences show fluorescence quenching or enhancement from analytes such as dopamine, NADH, L-ascorbic acid, and riboflavin, d(AT)₁₅ imparts SWNT with a distinct selectivity toward NO. In …
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Organic/carbon nanotubes hybrid thin films for chemical detection.
… and single-walled carbon nanotubes (SWCNT) for chemical detection applications. Octa-substituted copper phthalocyanines (CuPcR[8]) have been characterised using UV-visible absorption spectroscopy. Obtained spectra have yielded an evidence of a thermally induced molecular …
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