Articles tagged with Carbon Nanotube Synthesis
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Scientists at Meijo University developed a new method to synthesize small-diameter single-walled carbon nanowires with a high density of long linear carbon chains. The breakthrough enables researchers to probe the properties of these unstable carbon chains, which have outstanding theoretical mechanical strength and thermal conductivity.
Researchers at Ohio State University have discovered a more efficient way to produce methanol from carbon dioxide, a cleaner alternative fuel. The new process uses a dual catalyst system, resulting in a 66% increase in efficiency and paving the way for sustainable technologies.
Researchers at Tohoku University have developed a novel catalyst to control the atomic arrangement of carbon nanotubes, achieving ultra-high purity and precise chirality. The breakthrough could lead to significant advancements in semiconductor device manufacturing.
A new method in liquid-phase synthesis could reshape the scalable production of single-walled carbon nanotubes, enhancing industrial feasibility and reducing costs. The Co catalyst substantially improves both the yield and structural integrity of SWCNTs during the process, leading to more consistent results.
Researchers at Tokyo University of Science have developed a novel approach to directly observe electron transfer in solids using X-ray crystal structure analysis. This breakthrough could lead to advancements in energy storage, nanotechnology, and materials science research.
Researchers from Meijo University developed a new catalyst using high entropy alloy nanoparticles to grow high-density carbon nanotubes. The study shows that the unique surface structure of HEA NPs provides various active sites for catalytic reactions, resulting in higher catalytic activity than individual metals.
Rice chemists find a way to remove impurities from boron nitride nanotubes using phosphoric acid and fine-tuning the reaction. The new method produces high-purity tubes that are stronger than steel by weight, making them suitable for various industries, including aerospace and biomedical imaging.
Researchers develop methods to introduce chirality into materials, enabling tunable properties in thin films. The discovery has potential applications in pharmaceuticals, biomedicine, communication and energy.
A multidisciplinary research project aims to improve carbon nanotube synthesis efficiency, enabling more sustainable alternatives to heavy industry materials. The project, led by Rice University's Matteo Pasquali, has received a $4.1 million grant from the Kavli Foundation.
A UNIGE team has developed an electrical device that can activate and accelerate chemical reactions using a simple electric field. The device, called an electrochemical microfluidic reactor, enables chemists to control chemical reactions with ease, reducing the need for complex strategies and resources.
Scientists at Rice University have developed a new technique using the 'flash Joule' method to transform plastic waste into high-value carbon nanotubes and hybrid nanomaterials. This process is more energy-efficient and environmentally friendly than traditional methods, making it a promising solution for recycling plastic waste.
Researchers at MIT and the University of Tokyo have developed a technique to synthesize many
Researchers have developed a new method to synthesize large defectless graphene crystals using carbon monoxide under ambient pressure. The process benefits from self-limiting conditions, resulting in purer graphene with faster growth rates and better crystal formation.
Scientists at Japan's National Institutes of Natural Sciences have successfully synthesized zigzag nanotubes using a novel method. This breakthrough enables the controlled production of all three types of nanotubes: armchair, chiral, and zigzag.
Researchers have found that polymers filled with carbon nanotubes could potentially improve how unmanned vehicles dissipate energy. These materials are also less susceptible to corrosion, lightweight, and have higher electrical conductivity than traditional elastomers.
A new study published in MDPI Journal C reveals that old newspapers can be used to grow single-walled carbon nanotubes on a large scale. The researchers found that the large surface area of newspapers provides an ideal substrate for chemical growth, reducing costs and increasing scalability.
Researchers use carbon nanotube nanoreactors to produce and stabilize metastable silver iodide structures, including rock-salt and helix phases, at ambient conditions. The synthesis provides a new path to the creation of extreme structures.
A team at Tohoku University has developed a novel approach to control the chirality of single-walled carbon nanotubes. By tuning the oxidation degree of Co catalysts, they achieved predominant synthesis of (6,4) SWNTs. This breakthrough could enable on-demand synthesis of specific-chirality SWNTs for various applications.
Researchers from IBS and Peking University demonstrate how to synthesize horizontal arrays of CNTs with the same structure. The team successfully produces conducting (12, 6) and semiconducting (8, 4) CNTs with high selectivity and purity.
OU professors Dr. Daniel Resasco and Dr. Paul Weigel have been named fellows of the National Academy of Inventors for their innovative contributions to fields like chemical engineering and biochemistry. Their research has led to significant advancements in industries such as energy, healthcare, and biotechnology.
Researchers at Empa successfully synthesized structurally homogenous single-wall carbon nanotubes (SWCNTs) by using molecular 'seeds' that were transformed into three-dimensional objects and grown on a platinum surface. The resulting SWCNTs have mirror-image symmetry and reach lengths in excess of 300 nanometres.
Theoretical simulations reveal that carbon nanotube growth and hydrocarbon combustion share similarities, with the ethynyl radical playing a key role in both processes. This finding could lead to new ways to control CNT growth and increase understanding of fuel combustion processes.
Researchers from Aalto University and international partners achieved controlled chirality in carbon nanotubes, opening up new perspectives for structural control and fundamental understanding of nanotube growth. The new catalyst enabled selective growth of semiconducting SWNTs with exceptionally high population of (6,5) tubes.
Rice University chemist Bob Hauge's team creates bundles of SWNTs using a novel printing process, yielding a high yield of nanotubes. The process could lead to large-scale production of meter-long strands of nanotubes.
Researchers at Northwestern University have developed a technique to produce double-walled carbon nanotubes with improved electrical conductivity, spatial resolution, and scanning lifetimes. The method uses density gradient ultracentrifugation to separate the nanotubes, resulting in longer DWNTs that outperform single-walled nanotubes.
Researchers at University of Cincinnati developed a novel composite catalyst and optimal synthesis conditions to grow extremely long aligned carbon nanotube arrays. The longest array reached 18 mm in length, opening doors to potential applications in nanomedicine, aerospace and electronics.
Researchers at Northwestern University have developed a new method to sort single-walled carbon nanotubes by their diameter and electronic structure, overcoming the problem of structural heterogeneity that has limited their widespread use. This method, which exploits subtle differences in buoyant densities, promises to enable the produ...
Researchers at PNNL have developed a new technique to control the deposition of anchor molecules on carbon nanotubes using supercritical fluids, enabling precise control over the level of coating and thickness. This innovation improves the material's utility without compromising its physical properties.
Researchers at UNC-CH develop new technique to measure electronic properties of single-walled carbon nanotubes using C-13 nuclear magnetic resonance. The study finds that the mass ratios of metallic and semiconducting tubes can be controlled, enabling the production of materials with tunable structures.
Researchers determine tensile strength of individual carbon nanotubes, finding they can withstand forces up to 63 GPa before breaking. This discovery suggests potential applications for ultra-lightweight, high-strength cables and composites.
Researchers at UB have successfully developed perfectly aligned carbon nanotubes, bringing researchers closer to developing flat panel displays with excellent viewing angles and high resolution. The technical advances made by the team will help make flat panel displays made with carbon nanotubes affordable, using glass as a substrate.