https://phys.org/nanotech-news/nano-materials/ en-us The latest science news on nanomaterials, nanotechnology, nanoparticles and nanoscience. Nanographenes can be considered molecular fragments of graphene, a 2D conductive material in which carbon atoms are connected in a honeycomb pattern. Because their electronic and photophysical properties vary depending on the size and shape of the molecule, nanographenes are expected to find applications in OLEDs, organic solar cells, organic field-effect transistors and more. https://phys.org/news/2026-09-nanographene-membered.html Nanomaterials Tue, 08 Sep 2026 16:20:10 EDT news708096121 Researchers at The University of Manchester and the Australian National University have developed a new class of molecular magnets that combines the most successful features of previous designs, resulting in some of the strongest magnetic memory properties reported to date. https://phys.org/news/2026-09-molecular-magnet-boosts-ultrahigh-density.html Nanophysics Tue, 08 Sep 2026 14:40:09 EDT news708088321 A signal that appears to show ions moving inside a battery may, in fact, be an illusion caused by an uneven surface. A KAIST research team has identified the origin of this type of artifact, which can lead researchers to misinterpret what is happening inside a battery, and has developed a method to reduce it. https://phys.org/news/2026-09-bumpy-battery-surfaces-masquerade-nanoscale.html Nanomaterials Mon, 07 Sep 2026 17:20:04 EDT news708013082 As the electronics in our technology keep shrinking, traditional silicon-based chips are approaching their fundamental physical limits. Yet the wires connecting them might be able to shrink beyond conventional dimensions, as scientists have created one of the longest single-atom copper chains to date that could serve as molecular wires. https://phys.org/news/2026-09-extreme-pressure-blue-pigment-atom.html Nanomaterials Sun, 06 Sep 2026 10:20:01 EDT news707646364 Augmented reality (AR) glasses, lenses thinner than a human hair, and holograms floating above your fingertips may sound like technologies from science fiction. At the heart of these emerging technologies, however, lies a nanoscale optical device known as a "metasurface." https://phys.org/news/2026-09-hidden-disorder-nanodevices-easier.html Nanophysics Fri, 04 Sep 2026 13:20:04 EDT news707739061 Graphene is flat. But that doesn't mean other 2D materials—particularly those containing more than one element—necessarily share the same structure. In the past, researchers have often simplified these materials by modeling them as perfectly flat sheets. https://phys.org/news/2026-09-wrinkled-carbon-nitride-flat-sheet.html Nanomaterials Fri, 04 Sep 2026 09:00:04 EDT news707730062 With the rapid spread of cloud computing, artificial intelligence and data centers, global energy consumption is rising to new heights. A promising way to reduce this burden is to develop memory devices that store information magnetically yet are written using electric fields. Magnetic memories are nonvolatile, meaning stored information is retained without a power supply. https://phys.org/news/2026-09-nanoscale-multiferroic-materials-path-efficient.html Nanophysics Thu, 03 Sep 2026 17:40:01 EDT news707661062 Researchers at Nagoya University have built a graphene nanoribbon that can switch the direction of its twist using a natural solvent. Graphene nanoribbons are thin, ribbon-shaped structures made of fused carbon rings. Twisted or helical versions of these ribbons show promise for advanced light and electronic devices. However, until now, no graphene nanoribbon could switch its twist on demand. https://phys.org/news/2026-09-switchable-graphene-nanoribbon-demand.html Nanomaterials Thu, 03 Sep 2026 13:00:03 EDT news707651882 A team of Korean researchers has become the first in the world to identify the origin of the "beating" signal that has long been a major obstacle to interpreting quantum signals in topological insulator (TI) nanowires. Their analysis confirmed that the beating arises when two different quantum oscillations overlap: one created by topological electronic states on the surface and the other by ordinary electronic states inside the nanowire. This achievement provides a key criterion for interpreting the signals of topological quantum devices and realizing desired electronic states. https://phys.org/news/2026-09-scientists-years-mystery-quantum-material.html Nanophysics Thu, 03 Sep 2026 11:20:09 EDT news707648881 For children born with cleft lip and palate, repairing gaps in the jawbone often means waiting until they are 10 to 12 years old before undergoing invasive bone graft surgery. University of Sydney researchers have developed a biodegradable "nanobone" material that allows the body to harness its own healing properties to regrow bone, offering a potential future alternative to procedures that have changed little in more than 50 years. https://phys.org/news/2026-09-biodegradable-nanobone-day-regrow-bone.html Bio & Medicine Thu, 03 Sep 2026 01:00:02 EDT news707586601 One of the major challenges in the quest to beat cancer is developing treatments that can selectively destroy cancer cells while leaving healthy cells unharmed. With this in mind, researchers at the Indian Institute of Technology Gandhinagar (IITGN) have devised a gold nanorod-based platform that delivers therapeutic agents specifically to the endoplasmic reticulum (ER), a structure responsible for protein production and processing within cells, while also generating heat when exposed to near-infrared light. https://phys.org/news/2026-09-harnessing-gold-nanorods-cancer-therapy.html Bio & Medicine Wed, 02 Sep 2026 17:10:01 EDT news707585822 Imagine a construction site where the bricks are individual molecules and the "cranes" are microscopic needles so sharp they can feel a single atom. For decades, building at this scale was a laborious, time-consuming task where a single human error could damage the delicate tools. https://phys.org/news/2026-09-ai-automates-creation-custom-functional.html Nanomaterials Wed, 02 Sep 2026 14:40:06 EDT news707571892 Researchers from Graz University of Technology (TU Graz), Harvard and the University of Texas at Austin (UT Austin) have developed an innovative method for coupling light non-linearly. This opens up new possibilities for telecommunications and quantum technology. https://phys.org/news/2026-09-nanostructure-linear-conversion-efficient.html Nanophysics Wed, 02 Sep 2026 13:40:08 EDT news707568302 Advanced materials power everything from batteries and electronics to clean energy technologies. For years, engineers have known that microwave-assisted synthesis can dramatically accelerate the chemical reactions used to manufacture these materials. Now, researchers at Carnegie Mellon University have provided new evidence challenging a long-held assumption about why, suggesting that microwaves speed chemical reactions in a fundamentally different way than many scientists believed. https://phys.org/news/2026-09-nanoparticles-real-uncovers-link-microwave.html Nanomaterials Tue, 01 Sep 2026 16:20:04 EDT news707486641 A collaborative research team has successfully visualized in real space the ultrafast optical modulation of hyperbolic phonon polaritons (HPhPs) in a van der Waals heterostructure composed of hBN and WS2. The research is published in the journal Nano Letters, and was led by Kazuki Kamada of the Institute for Molecular Science (IMS) and Osaka Metropolitan University, along with Dr. Jun Nishida, assistant professor at IMS, and Takashi Kumagai, associate professor at IMS. https://phys.org/news/2026-08-femtosecond-nano-imaging-reveals-ultrafast.html Nanophysics Mon, 31 Aug 2026 18:00:07 EDT news707405941 A new way to imprint complex surfaces on low-cost, sustainable polymers could be used in a wide range of industries, including water-repellent coatings, optical devices and data storage disks. The complex nano- and microscale patterns on sulfur-derived polymers, unveiled this week in the ACS Applied Materials and Interfaces journal, build on a wide range of green chemistry solutions led by Flinders University. https://phys.org/news/2026-08-power-lasers-durable-nano-patterns.html Nanophysics Mon, 31 Aug 2026 12:00:04 EDT news707393341 Czech researchers at Charles University in Prague, led by Pavla Eliášová, have developed an advanced photocathode that helps convert the greenhouse gas carbon dioxide into pure ethanol using sunlight. The new technology solves a long-standing problem of material degradation in water, achieves record conversion efficiency and opens the way toward sustainable production of green fuels. The paper is published in the journal Advanced Energy Materials. https://phys.org/news/2026-08-nano-sandwich-photocathode-solar-conversion.html Nanomaterials Sat, 29 Aug 2026 08:00:01 EDT news706805375 Graphene is an exceptionally useful material for creating batteries, catalysts and electronic devices. Yet producing graphene typically requires temperatures as high as 900°C (1,652°F), limiting energy efficiency and making structural control difficult. To make graphene production more practical, a recent study has overcome this long-standing temperature barrier. https://phys.org/news/2026-08-temperature-graphene-growth-route-sustainable.html Nanomaterials Fri, 28 Aug 2026 15:40:02 EDT news707128446 A research team led by Sungwon Lee, a professor in the Department of Physics and Chemistry at DGIST, developed a hierarchical nano-on-nano structure by directly growing graphene nanowalls (GNWs) on polymer nanofibers and successfully used the structure to enhance the sensing performance of wearable gas sensors. The technology is expected to be applied to next-generation wearable sensors for real-time monitoring of individuals' breathing environments or hazardous gases in industrial settings. https://phys.org/news/2026-08-breathable-smart-sensor-real-hazardous.html Bio & Medicine Fri, 28 Aug 2026 13:40:02 EDT news707136781 Researchers at Delft University of Technology have demonstrated for the first time that nano-antennas can enhance the fluorescence of proteins in living human and other mammalian cells. Scientists already use smart fluorescent proteins that light up when the electrical voltage across a nerve cell changes. By placing nano-antennas close to these light-emitting proteins, researchers can monitor processes inside cells with much greater precision. The discovery adds a new tool for revealing electrical signals in the brain through nanotechnology as well as genetic engineering. The research has been published in Advanced Materials. https://phys.org/news/2026-08-nano-antennas-cells-brighter-faster.html Bio & Medicine Fri, 28 Aug 2026 12:20:01 EDT news707135401 Researchers have captured in real time the "birth moment" when the performance of a next-generation memory material is determined. The key lies in controlling oxygen vacancies, microscopic defects created when oxygen atoms are missing from their normal positions. https://phys.org/news/2026-08-tiny-oxygen-gaps-generation-memory.html Nanomaterials Thu, 27 Aug 2026 19:20:01 EDT news707065262 Some molecules come in two "handed" forms. This property, called chirality, can influence not only how molecules interact with light but also which electron spins they allow to pass. Researchers at the University of Osaka have developed novel chiral hole-transport materials that shed new light on this unusual effect while also improving the interfaces of perovskite solar cells. https://phys.org/news/2026-08-mirror-image-molecules-electron-perovskite.html Nanomaterials Thu, 27 Aug 2026 15:20:03 EDT news707054881 A new manufacturing method could help move the production of nanoscale sensors from specialized fabrication facilities to conventional semiconductor manufacturing plants.Publishing in Science Advances, researchers from KTH Royal Institute of Technology liken their technique to uprooting a tree stump with a rope. https://phys.org/news/2026-08-uprooting-tree-stumps-nanoscale-anchors.html Nanomaterials Thu, 27 Aug 2026 12:40:03 EDT news707049181 What does a clean room smell like? Many people say citrus, pine, or flowers because these fragrances are common in cleaning products. A research team led by Brandon Boor found that scent compounds in cleaning products—conventional and botanical essential oil-based—quickly react in the air, forming nanoparticles that can travel deep into the lungs if inhaled. To reduce exposure to this invisible pollution, the team suggests using unscented products, running exhaust fans, and avoiding ozone-generating devices while cleaning. https://phys.org/news/2026-08-scented-cleaners-nanoparticles-deep-lungs.html Bio & Medicine Thu, 27 Aug 2026 05:00:03 EDT news706883273 Researchers at Queen Mary University of London have shown that making extremely small changes to the structure of a material can dramatically improve its ability to respond to electrical signals. Published recently in Science Advances, the breakthrough could help create a new generation of wireless devices that can change frequency on demand, making communication systems more flexible and energy efficient. https://phys.org/news/2026-08-tiny-atomic-smarter-wireless-technology.html Nanophysics Wed, 26 Aug 2026 14:00:12 EDT news706896901 The next time you need to freshen up the paint on your house or apply a bit of cosmetic glitter before heading out for the night, you might want to give a quick nod to the butterflies fluttering in a nearby garden. Taking inspiration from structures on those wings that create their vibrant colors, researchers are now devising more durable and adjustable colors that are also safer for human health and the environment. https://phys.org/news/2026-08-butterfly-crystals-enable-durable-potentially.html Nanomaterials Wed, 26 Aug 2026 05:00:09 EDT news706874161 There is something slightly ridiculous about using a kitchen blender to make graphene. This is, after all, the "wonder material" associated with futuristic technologies. You might reasonably expect its production to involve equally futuristic equipment. Often, it does. https://phys.org/news/2026-08-material-graphene-kitchen-blender-mobile.html Nanomaterials Mon, 24 Aug 2026 15:50:01 EDT news706803841 You may have once tried taking a close-up picture of a computer screen and noticed a wavy, rippling effect. This optical effect occurs whenever two fine, repeating grids overlap and slightly misalign, such as when the pixel grid of your camera's sensor overlaps with the pixel grid of the screen. https://phys.org/news/2026-08-degree-nanoscale-grid-energy-room.html Nanophysics Mon, 24 Aug 2026 14:00:03 EDT news706792741 Biomolecular nanomachines, such as enzymes and molecular motors, are the workhorses behind the synthesis and organization of complex materials in life. Powered by chemical energy, they build, transport and organize biomolecules, allowing living systems to create and maintain highly ordered structures far from thermodynamic equilibrium. https://phys.org/news/2026-08-dynamic-duo-hierarchical-dna-materials.html Bio & Medicine Sat, 22 Aug 2026 15:00:01 EDT news706360039 Quantum dots are semiconductor crystals only a few nanometers in size. Their ability to produce bright, precisely tunable colors has made them promising materials for light-emitting diodes, displays, solar cells and other optoelectronic technologies. Yet heat remains a major obstacle to their practical use. https://phys.org/news/2026-08-quantum-dots-dual-modification.html Nanophysics Fri, 21 Aug 2026 10:20:01 EDT news706524781