Articles tagged with Carbon Nanotubes
The study found that using heavy water in the electrolyte solution significantly increased energy output from the yarns, with up to 2.5 times higher peak electrical power and 1.8 times more energy per stretching cycle. The energy conversion efficiency reached 9.5%, higher than any other previously reported twistron harvester operating ...
A study published in Carbon Research reveals that heating single-walled carbon nanotubes at 400°C for four hours can dramatically expand their available surface area, nearly doubling their CO2-trapping power. This breakthrough could provide a vital tool for the next generation of carbon capture technology.
Researchers at the University of Cambridge have developed an energy-efficient reactor that captures and recycles methane to produce clean hydrogen and high-performance carbon nanotubes. The process uses a multi-pass floating catalyst chemical vapour deposition reactor with process gas recycling, significantly reducing energy requirements.
Researchers used molecular dynamics simulations to study how organic molecules move with supercritical water inside carbon nanotubes. Aromatic compounds significantly slowed down their own motion and surrounding water, while alkanes moved relatively freely. Temperature played a key role in overcoming transport limitations.
Researchers developed a bio-inspired neuron platform that processes and learns information using light and electronics integrated on a single platform. The chip achieves 92% image recognition accuracy and demonstrates key synaptic behaviors found in biological learning.
Researchers have developed flexible perovskite solar modules with power conversion efficiency (PCE) over 20% using acid-treated carbon nanotubes as window electrodes. These modules exhibit improved stability, bendability, and scalability, making them a promising solution for sustainable energy systems.
Researchers developed a new type of gas sensor that can identify different types of air components by recognizing tiny structural differences in common volatile compounds. The sensor, which uses custom-built sugar-based receptors, shows promise for future non-invasive medical diagnostics, environmental monitoring, and quality control.
Researchers at the University of Pittsburgh have developed a skin patch test that can detect antibodies associated with COVID and flu infections. The test uses carbon nanotubes and is orders of magnitude more sensitive than existing tests.
Seoul National University researchers create highly stretchable, electrically conductive carbon nanotube-based nanocomposites using vat photopolymerization type 3D printing. The new material is optimized for smart health monitoring applications, enabling real-time pressure distribution detection.
Researchers at Seoul National University of Science and Technology developed a microelectrode with three-dimensional carbon nanotubes that efficiently conduct electricity while being soft like tissue. The arrays demonstrated stable insertion in brain tissues, precise recording of visual responses, and reduced inflammatory responses.
Scientists observe subtle structural distortions and interactions influencing exciton relaxation dynamics in individual CNTs. The study reveals a new understanding of the local nanoscale environment's role in shaping exciton behavior.
Researchers at Tohoku University have developed a novel oxidation process using sonicated carbon nanotubes to remove industrial and municipal pollutants from contaminated water. The nonradical pathway achieves unprecedented removal rates within five minutes, targeting distributed water sources.
Researchers developed a novel hybrid catalyst that can toggle between active and resting states, improving hydrogen production efficiency and lifespan. The catalyst features controlled reversible activation through sulfur introduction, enabling on-demand control.
A research group at Chuo University has developed an all-printable device fabrication strategy to overcome technical limitations of multi-functional image sensor sheets. The new technique accurately prints carbon nanotube channels and integrates other constituents into single devices, facilitating non-destructive monitoring.
A novel approach converts discarded face masks into high-value products through a hybrid pre-assessment method, demonstrating significant economic and environmental benefits. The method produces high yields of carbon nanotubes and hydrogen with superior environmental performance.
Researchers observed the breaking of carbon nanotube fibers due to molecular slippage, which reduces their strength. Electron irradiation enhances CNT bundles' strength by forming stronger bonds between molecules.
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 UMBC have created a new material for storing energy in devices, outperforming traditional lithium-ion batteries. The material uses twisted single-walled carbon nanotubes to store up to three times more energy per unit mass than advanced batteries.
Scientists have developed a nanocomposite material with sodium carbonate and nanocarbon to capture carbon dioxide from industrial emissions. The new material shows high CO2 capture capacity and can be regenerated for up to 10 cycles, reducing energy consumption.
Researchers at Okayama University have developed a novel method to produce carbon nanotube yarns with excess electrons that can harvest waste heat. The yarns achieved high thermoelectric power factors within temperatures ranging from 30 to 200 °C, making them suitable for practical applications such as fabric-based modules.
Scientists at Nara Institute of Science and Technology create flexible wearable thermoelectric generators that produce electricity from body heat using high-performing carbon nanotube yarns. The yarns, developed through a low-cost and environmentally friendly method, show three times higher power factor than previous CNT yarns.
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.
Dr. Lee's CNT transistor enables detailed examination of molecular interactions, capturing serotonin and dopamine movements with unprecedented sensitivity. The research paves the way for high-precision study of intermolecular interactions, potentially leading to precise medical technology capable of controlling biological systems.
A research group at Chuo University developed a novel non-destructive inspection technique combining multi-functional photo monitoring devices with image data-driven three-dimensional restoration methods. The technique precisely evaluates target objects by compositional identifications and structural reconstructions, providing a breakt...
Researchers from Osaka University have developed a soft, flexible, and wireless optical sensor based on carbon nanotubes and organic transistors formed on ultra-thin polymer film. The sensor has high sensitivity over a wide range of wavelengths and can work even after being crumpled into a ball.
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 developed a nanoscale material technique called inverse thermal degradation (ITD) to control high-temperature flames and tune material properties. By regulating oxygen access, ITD allows for smoldering rather than bursting into flames, producing carbon tubes with desired characteristics.
Researchers review molten salt CO2 electrolysis's process mechanisms, salt selection, and operating conditions to improve current efficiencies. Key challenges include system scaling up, corrosion investigation, and engineering analysis.
Researchers at UT Dallas have developed novel carbon nanotube yarns called twistrons, which generate electricity when stretched or twisted. The new version has a higher energy conversion efficiency of up to 22.4% for tensile and torsional energy harvesting.
Georgia Tech researchers developed a new nanoelectronics platform based on graphene, enabling smaller devices, higher speeds, and less heat. The platform may lead to the discovery of a new quasiparticle, potentially exploiting the elusive Majorana fermion.
Researchers developed a lightweight, ultra-shock-absorbing foam that outperforms existing materials in mitigating concussions. The new material exhibits superior mechanical properties and can remain robustly shock-absorbing across various temperatures.
Researchers at MIT and the University of Tokyo have developed a technique to synthesize many
Researchers at Okayama University found that an acidic adsorption layer in carbon nanotubes facilitates efficient adsorption of negatively charged nitrate anions, making the aqueous solution alkaline. This study provides a novel model for designing carbon nanotubes suitable for ion adsorption and purification.
Researchers have successfully inserted nanotubes into bacteria, allowing for the creation of
Researchers have found a cheaper and easier way to create large groups of carbon nanotubes without lithography. The 'dewetting' process allows for precise arrangement of nickel catalyst particles to form hexagonal nanotube arrays.
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.