Researchers developed a high-power thermoelectric device using aligned metallic carbon nanotubes, outperforming semiconducting counterparts. The breakthrough enables efficient conversion of waste heat into electricity.
Researchers at Queen's University Belfast have developed a low-cost technique to convert brewery waste into carbon, which can be used as a renewable fuel or in water filters. The method creates activated carbon and carbon nanotubes from barley waste, reducing emissions linked with the agriculture sector and creating a high-value product.
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 at Purdue University have developed ceramic nanotubes that behave as thermal antennas, controlling the spectrum and direction of high-temperature heat radiation in gas turbines. This allows for increased engine lifetime and performance.
A new Army-funded project has successfully developed a carbon nanotube technology that exceeds 100GHz in radio frequency applications, surpassing traditional RF-CMOS technology. This breakthrough could enable faster and more efficient communication systems for the military.
Researchers at Aalto University and Nagoya University have developed a new method to make ultra-clean carbon nanotube transistors with superior semiconducting properties. The new method produces hundreds of individual devices within 3 hours, reducing processing time and increasing efficiency.
A study reveals a decline in forest carbon storage time, hindering forests' ability to absorb and re-emit carbon. Forests are crucial for regulating atmospheric carbon dioxide concentrations, and increased tree mortality is contributing to this decline.
Researchers at FSU's High-Performance Materials Institute have developed a thin heat shield for high-speed aircraft using carbon nanotubes, known as 'buckypaper.' The material is lightweight, flexible, and durable, protecting the aircraft from intense heat while reducing weight.
Scientists at Skoltech developed a novel p-type flexible transparent conductor using single-walled carbon nanotubes, which opens new avenues for its applications. The newly developed conductor achieved a record power conversion efficiency of 8.8% in solar cells, outperforming traditional amorphous silicon solar cells.
Researchers at the University of Pittsburgh have discovered that carbon nanotubes can both repel and hold water in place, creating a parahydrophobic surface. This unique property allows for stable water droplets to cling to the CNT forest, enabling applications such as printing, spectroscopy, and harvesting surfaces.
Research reveals oceanic black carbon differs significantly from riverine dissolved black carbon, raising fundamental questions about its origin and fate. The new technique uses stable carbon isotope analysis to track terrestrial sources of black carbon in the ocean.
A new method uses isomaltodextrin, a cheap and widely available polysaccharide, to separate semiconducting from metallic single-wall carbon nanotubes. The purified semiconducting SWCNTs were found to improve the performance of thin-film transistors in LCD displays.
A Stanford University study published in Energy and Environmental Science suggests that carbon capture technologies can cause more harm than good, reducing only a small fraction of carbon emissions. The research concludes that using renewable energy options like wind or solar is always better from a social cost perspective.
Researchers developed a targeted cancer treatment using biologically-inspired nanotubes that deliver chemotherapy drugs directly to fast-dividing lung cancer cells. The new technology reduces toxicity and effective kills cancer cells with lower doses, promising a precise approach for precision targeting.
Researchers found that functionalized carbon nanotubes enhance the interaction between perovskite and CNTs, improving their performance and stability. The study revealed a self-recrystallization process in perovskite at room temperature, which can be accelerated by frequent measurements but degrades stability.
Researchers at the University of Wyoming have developed an automated system to align single-wall carbon nanotubes, producing higher alignment and precise control over filtration flow rate. This breakthrough enables various tech applications, including electronics and optics.
A team of researchers at MIT has developed an 'electroadhesive' stamp that can pick up and place down objects as small as 20 nanometers wide. The stamp uses a sparse forest of ceramic-coated carbon nanotubes to create temporary electrical attraction, allowing it to grasp microscopic structures with precise control.
Skoltech scientists have developed a method to control the nonlinear optical response of carbon nanotubes using electrochemical gating. This approach enables designing devices that can control the duration of laser pulses, opening up new possibilities for universal laser systems with controllable pulse duration.
Scientists at Aalto University and the University of Vienna create hybrid material combining graphene and single-walled carbon nanotubes, achieving higher conductivity than either component alone. The van der Waals interaction between graphene and nanotubes enhances charge-tunneling, leading to improved electrical properties.
Researchers develop new synthesis method to create molecules with partial structures of fullerenes, graphene, and carbon nanotubes. They successfully synthesize catenanes and knots, which are expected to be used in molecular machines and have specific properties derived from the topology.
A Dartmouth-led study reveals that actively managed mixed wood forests in New Hampshire have significant carbon stores, both above and below ground. The research found that the forests' soil carbon is higher in subplots with more trees, especially fir and spruce species.
Researchers investigated carbon partitioning between iron liquid and silicate melt under high-pressure conditions using a boron nitride capsule. The new experimental result shows that the partition coefficient of carbon is several times lower than previous studies, suggesting that carbon in a magma ocean may not have been as depleted.
A team of physicists and engineers measured the tensile strengths of individual structure-defined single-walled carbon nanotubes, finding that their strength depends on both the chiral angle and diameter. The study provides a fundamental insight into developing super-strong and ultra-lightweight materials.
Scientists have found that rising carbon dioxide concentration in the air enhances land carbon sink, a process known as carbon dioxide fertilization. For every 100-ppm increase in CO2, terrestrial carbon sink increases by 0.64 billion tons of carbon per year globally.
Researchers at the University of Pittsburgh have developed a portable breathalyzer that can detect tetrahydrocannabinol (THC) in a user's breath. The device uses carbon nanotubes to measure THC levels and has been shown to be comparable to mass spectrometry methods.
Researchers have made the world's first real physical measurements of carbon nanotube conductivity, validating theoretical models and paving the way for improved electrical power cables. The new approach uses identical carbon nanotubes with varying diameters to measure conductivity between them.
Researchers found that adding compost and cover crops to organic-certified systems increased soil carbon content by 12.6% over a 19-year period, outperforming the international '4 per 1000' initiative. This approach stores more carbon than previously calculated, highlighting the importance of balancing diet for microorganisms in soils.
A new study led by Virginia Commonwealth University researchers reveals that structurally complex forests in the eastern US outperform simpler ones in carbon sequestration. The discovery suggests that a forest's arrangement of vegetation is a key factor in its ability to absorb and store carbon.
Researchers have developed an effective method to monitor carbon nanotube films using artificial neural networks (ANN). The technique can help predict the efficiency of single-walled carbon nanotubes synthesis and improve the overall production framework, leading to new horizons for real-life applications.
Researchers at Rice University have developed a set of eight fluorescent surfactants that can capture images of single nanotubes or cells using fluorescent microscopy. These compounds show promise for use in medicine, manufacturing, water purification and biomedical applications.
Researchers at Scuola Internazionale Superiore di Studi Avanzati have developed self-standing carbon nanotubes that can modulate the growth and activity of nerve cells. These innovative materials show promise for repairing spinal injuries by creating biosynthetic hybrids.
Scientists from Skoltech developed a novel method to fine-tune the optoelectrical properties of single-walled carbon nanotubes by applying an aerosolized dopant solution. The new approach enables uniform, controllable and easily reproducible aerosol doping, breaking new ground for flexible and transparent electronics.
Researchers at Shinshu University have developed a method to improve the properties of activated carbon using high magnetic fields. By applying a magnetic field of 10T during production, they increased the micropore capacity of activated carbon by 35%, making it more effective for air and water purification.
Researchers at Swansea University have developed a method to recycle black plastics into carbon nanotubes for use in high-value materials like conductive films and flexible electronics fabrics. This process could reduce plastic waste and help solve the problem of lost electricity during transmission and distribution.
Roxbury will use carbon nanotubes to examine living cells and study their interactions, with applications in detecting diseases such as non-alcoholic fatty liver disease and cancers. The research aims to develop non-invasive sensing methods.
Scientists have discovered semiconducting nanotubes with precise cylindrical structures, which can be used as fluorescent markers in medical research or catalysts in photoreduction reactions. The researchers' accidental discovery reveals the spontaneous formation of these nanostructures using metallic nanocrystals and certain ligands.
Researchers at Rice University have developed a cheap and clean method to handle carbon nanotubes, improving lab safety. The protocol involves proper attire, containment systems, and efficient transfer procedures, making it possible for labs to safely work with these materials on a large scale.
DNA nanotubes designed by Yi Li and Rebecca Schulman can heal themselves in serum, extending lifetimes from 24 hours to over 96 hours. The researchers developed a self-repair process using smaller DNA tiles that repair damaged structures by replacing or joining to the nanotube ends.
Scientists have created a method to protect graphene and carbon nanotubes (CNTs) from environmental poisoning, preserving their extraordinary properties. The technique uses a protective layer to allow carbon diffusion, enabling controlled growth of these materials.
Researchers used radiocarbon dating to track carbon release from thawing permafrost in Siberian-Arctic rivers. The study found that permafrost and peat carbon contributed significantly to dissolved organic carbon in the rivers, with seasonal differences suggesting gradual thaw of surface permafrost as the main source.
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.
Researchers found that mechanically stretched carbon nanotubes can extract heat efficiently, making them a promising material for cooling flexible electronic devices. This technology could be an efficient alternative to traditional vapor-compression refrigerators, reducing ozone depletion and global warming.
Researchers have identified a new pathway for ocean carbon storage, known as particle injection pumps (PIPs), which move just as much carbon as the biological gravitational pump. The study, published in Nature, provides a breakthrough solution to understanding how carbon reaches the deep ocean and its impact on the global climate.
Scientists from Michigan Technological University have successfully created 2D gold quantum dots that can be customized at the atomic level on boron nitride nanotubes. This breakthrough enables the creation of tunable semiconducting materials with potential applications in future electronics and quantum computing.
Researchers at Rice University discovered that PTFE stir bars react with chemicals in an unexpected way, affecting the modification of nanotubes. This discovery highlights the importance of choosing inert materials in laboratory settings.
Researchers discovered that HIV-1 forms nanotubes between macrophages in tuberculosis patients, increasing viral transfer and production. This finding provides potential targets for reducing viral load and improving treatment outcomes.
Researchers have developed advanced stretchable electronics, including rubbery integrated circuits and sensory skins, using metallic carbon nanotubes to improve carrier mobility. This breakthrough could lead to significant advances in smart devices like robotic skins and human-machine interfaces.
Researchers discovered that most tunneling nanotubes are composed of multiple smaller tubes and have thin wires connecting them, allowing for organelle transport. This discovery challenges the dogma of cells as individual units, showing they can exchange materials without a membrane barrier.
Researchers at ICMAB-CSIC create a new thermoelectric material using bacterial cellulose and carbon nanotubes, offering high electrical conductivity and thermal stability. The device has potential applications in Internet of Things, Agriculture 4.0, and Industry 4.0.
Researchers found that soil minerals can store a significant amount of carbon, which could be exploited as the world shifts its carbon economy. Wetter climates facilitate mineral formation, allowing more carbon to be stored.
Researchers discovered a new transport mechanism of nanomaterial through a cell membrane by tuning the membrane tension. Ultra-short carbon nanotubes can escape from the bilayer under certain conditions, which may have implications for public health and drug delivery.
Researchers at KAUST developed a device that can capture its own weight in water from fresh air and release it when warmed by sunlight. The device uses deliquescent salt and a polymer hydrogel to absorb moisture from the air, which is then released continuously with the help of carbon nanotubes.
Climate researchers warn that peatlands in the Peruvian Amazon may lose up to 500 million tons of carbon by the end of the century due to warmer temperatures and increased precipitation. This loss could lead to a significant increase in global carbon emissions, exacerbating climate change.
The 'smart skin' technology uses fluorescing carbon nanotubes to reveal stress in aircraft, bridges, or pipelines over entire surfaces or microscopic levels. It enables two-dimensional mapping of accumulated strain that can't be achieved by other non-contact methods.
Scientists have developed a method to construct protein nanotubes from engineered protein crystals, which could accelerate the development of artificial enzymes, nano-sized carriers and delivery systems. The new method, reported in Chemical Science, uses protein crystals as a scaffold for proteins to self-assemble into desired structures.
A recent study reveals that eelgrass meadows store significant amounts of organic carbon, comparable to tropical seagrass species and mangroves. The distribution area of these meadows has decreased by at least 1/3rd over the past 50 years, highlighting the urgent need for conservation efforts.
The University of Pittsburgh engineers have created a transparent flexible material by combining silk fibroins with carbon nanotubes, exhibiting desirable optical mechanical and chemical properties. This breakthrough has potential applications in wearable and implantable electronic devices, as well as sensors for biomedical use.
Researchers have developed a method to modify the structure of carbon nanotubes, changing their conductive properties. By stretching nanotubes, scientists can create semiconducting nanotubes suitable for microprocessors and high-precision detectors.
Scientists at Swansea University's Energy Safety Research Institute are working on a £20,000 Royal Society Research Grant to create ultra-conductive wires that can transport electricity with improved energy efficiency. By mixing copper with carbon nanotubes, they aim to reduce the 10% of electricity lost in the grid.
Researchers have developed a novel method to determine the cause of catalytic activity in complex catalysts, enabling better control over metal support interactions. The approach utilizes vertically grown carbon nanotubes as 'hydrogen highways' to separate active sites and optimize catalyst performance.