Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Nano-switch achieves first directed, gated flow of excitons A new nanostructure acts like a wire and switch that can, for the first time, control and direct the flow of quantum quasiparticles called excitons at room temperature. /news/2025-09-nano-gated-excitons.html Nanophysics Nanomaterials Thu, 11 Sep 2025 14:56:03 EDT news676821361 Quantum dot and polymer cross-linking enables 50% stretch capability for micro-LED displays A research team has developed a next-generation display core material with excellent stretchability and superior color reproduction. The team developed a high-performance color-conversion layer that is more flexible and vivid than conventional ones. This layer was successfully applied to the development of a stretchable micro-LED display, drawing significant attention. /news/2025-09-quantum-dot-polymer-linking-enables.html Nanomaterials Mon, 08 Sep 2025 15:14:03 EDT news676563241 Here we glow: New organic liquid provides efficient phosphorescence The nostalgic "glow-in-the-dark" stars that twinkle on the ceilings of childhood bedrooms operate on a phenomenon called phosphorescence. Here, a material absorbs energy and later releases it in the form of light. However, recent demand for softer, phosphorescent materials has presented researchers with a unique challenge, as producing organic liquids with efficient phosphorescence at room temperature is considered difficult. /news/2025-09-liquid-efficient-phosphorescence.html Analytical Chemistry Materials Science Wed, 03 Sep 2025 05:00:06 EDT news676043713 New co-assembly strategy unlocks robust circularly polarized luminescence across the color spectrum Researchers at the College of Design and Engineering (CDE) at the National University of Singapore (NUS) have developed a supramolecular co-assembly platform that produces chiral soft materials with strong and stable full-color circularly polarized luminescence (CPL) across the visible spectrum, including in red, which has historically been a difficult target. /news/2025-08-strategy-robust-circularly-polarized-luminescence.html Condensed Matter Optics & Photonics Fri, 15 Aug 2025 12:38:59 EDT news674480331 Rethinking imperfections: How defects are powering brighter perovskite emissions In materials science, defects are usually seen as problems, unwanted microscopic features that degrade performance, reduce efficiency or shorten the lifespan of devices. But a recent breakthrough published in Advanced Materials is challenging that mindset. The study reveals that a specific structural "flaw" in crystals, known as the Ruddlesden-Popper (RP) fault, could be the key to developing brighter and more robust light-emitting materials. /news/2025-08-rethinking-imperfections-defects-powering-brighter.html Analytical Chemistry Materials Science Mon, 11 Aug 2025 12:19:48 EDT news674133578 Organic molecule achieves both strong light emission and absorption for displays and imaging Researchers at Kyushu University have developed a novel organic molecule that simultaneously exhibits two highly sought-after properties: efficient light emission suitable for advanced displays and strong light absorption for deep-tissue bioimaging. This breakthrough addresses a long-standing challenge in molecular design, paving the way for next-generation multifunctional materials. /news/2025-08-molecule-strong-emission-absorption-displays.html Analytical Chemistry Materials Science Fri, 08 Aug 2025 12:08:04 EDT news673873681 New 3D headset uses holograms and AI to create lifelike mixed reality visuals Using 3D holograms polished by artificial intelligence, researchers introduce a lean, eyeglass-like 3D headset that they say is a significant step toward passing the "Visual Turing Test." /news/2025-07-3d-headset-holograms-ai-lifelike.html Optics & Photonics Mon, 28 Jul 2025 10:44:08 EDT news672918242 OLEDs light the way to faster longer-distance wireless communication In the race to develop faster and more flexible wireless communication technologies, researchers are turning to an unexpected source: the same organic light-emitting diodes (OLEDs) found in smartphone screens and TVs. /news/2025-07-oleds-faster-longer-distance-wireless.html Optics & Photonics Fri, 18 Jul 2025 07:50:02 EDT news672043263 Nanometer thin spacer boosts blue OLEDs portability and efficiency Organic light-emitting diodes (OLEDs) have transformed display and lighting technology with their vivid colors, deep contrast, and energy efficiency. As demand grows for lighter, thinner, and more energy-saving devices—especially in wearables, foldables, and portable electronics—there's increasing interest in OLEDs that can operate at lower voltages without compromising performance. /news/2025-06-nanometer-thin-spacer-boosts-blue.html Optics & Photonics Thu, 26 Jun 2025 10:00:01 EDT news670148774 Glass nanostructures reflect nearly all visible light, challenging photonics assumptions A research team led by SUTD has created nanoscale glass structures with near-perfect reflectance, overturning long-held assumptions about what low-index materials can do in photonics. /news/2025-06-glass-nanostructures-visible-photonics-assumptions.html Nanophysics Nanomaterials Mon, 23 Jun 2025 14:12:04 EDT news669906721 Cephalopod-inspired synthetic skins could enable color switching for soft robots and wearables Taking a cue from ocean-dwelling species, University of Nebraska–Lincoln researchers are developing synthetic skins that will support the emergence of next-generation "soft" machines, robots and other devices. /news/2025-06-cephalopod-synthetic-skins-enable-soft.html Polymers Materials Science Tue, 17 Jun 2025 11:24:54 EDT news669378286 A rule-breaking, colorful silicone that can conduct electricity A newly discovered silicone variant is a semiconductor, University of Michigan researchers have discovered—upending assumptions that the material class is exclusively insulating. /news/2025-05-silicone-electricity.html Polymers Materials Science Thu, 22 May 2025 17:18:04 EDT news667153082 Infrared contact lenses allow people to see in the dark, even with their eyes closed Neuroscientists and materials scientists have created contact lenses that enable infrared vision in both humans and mice by converting infrared light into visible light. Unlike infrared night vision goggles, the contact lenses, described in the journal Cell, do not require a power source—and they enable the wearer to perceive multiple infrared wavelengths. Because they're transparent, users can see both infrared and visible light simultaneously, though infrared vision was enhanced when participants had their eyes closed. /news/2025-05-infrared-contact-lenses-people-dark.html Bio & Medicine Nanomaterials Thu, 22 May 2025 11:00:04 EDT news667121607 High-tech sticker can identify real human emotions Saying one thing while feeling another is part of being human, but bottling up emotions can have serious psychological consequences, such as anxiety or panic attacks. To help health care providers tell the difference, a team led by scientists at Penn State has created a stretchable, rechargeable sticker that can detect real emotions—by measuring things like skin temperature and heart rate—even when users put on a brave face. /news/2025-04-high-tech-sticker-real-human.html Bio & Medicine Nanomaterials Mon, 21 Apr 2025 15:19:05 EDT news664467541 Biodegradable nails make manicures more sustainable Sit down, relax and get your nails done at the sustainability salon. In a new study, a team of researchers at the University of Colorado Boulder's ATLAS Institute has designed a new kind of press-on nails that are biodegradable, colorful and endlessly customizable. /news/2025-04-biodegradable-manicures-sustainable.html Environment Wed, 02 Apr 2025 12:05:04 EDT news662814301 Squid are some of nature's best camouflagers. Researchers have a new explanation for why Nature is full of masters of disguise. From the chameleon to arctic hare, natural camouflage is a common yet powerful way to survive in the wild. But one animal might surprise you with its camouflage capabilities: the squid. /news/2025-03-squid-nature-camouflagers-explanation.html Biochemistry Thu, 06 Mar 2025 13:27:04 EST news660490021 Transparent stretchable substrate without image distortion shows potential for next-generation displays Stretchable display materials, which are gaining traction in the next-generation display market, have the advantage of being able to stretch and bend freely, but the limitations of existing materials have resulted in distorted screens and poor fit. /news/2025-02-transparent-stretchable-substrate-image-distortion.html Nanomaterials Fri, 28 Feb 2025 14:35:21 EST news659975701 Novel perovskite growth method leads to ultrahigh-resolution micro-LED displays Microscale light-emitting diodes (micro-LEDs) are emerging as a next-generation display technology for optical communications, augmented and virtual reality, and wearable devices. Metal-halide perovskites show great potential for efficient light emission, long-range carrier transport, and scalable manufacturing, making them potentially ideal candidates for bright LED displays. /news/2025-01-perovskite-growth-method-ultrahigh-resolution.html Nanophysics Nanomaterials Tue, 21 Jan 2025 14:46:03 EST news656693161 Graphene technique improves ultrathin film manufacturing for flexible electronics As the demand for thinner, lighter, and more flexible electronic devices grows, the need for advanced manufacturing processes has become critical. Polyimide (PI) films are widely used in these applications due to their excellent thermal stability and mechanical flexibility. They are crucial for emerging technologies like rollable displays, wearable sensors, and implantable photonic devices. /news/2025-01-graphene-technique-ultrathin-flexible-electronics.html Nanomaterials Wed, 08 Jan 2025 12:19:03 EST news655561141 Color-changing sensor offers new way to track motion and stress Wearable devices and smart sensors are transforming how we monitor health and activity, from tracking heartbeats to detecting body movements. However, traditional tools like stethoscopes and fitness trackers often face challenges. They require user training, struggle with accurately capturing subtle signals, and are limited in flexibility and ease of use. /news/2024-12-sensor-track-motion-stress.html Nanomaterials Mon, 16 Dec 2024 14:20:05 EST news653581202 Machine learning approach discovers crystallizable organic semiconductors Organic semiconductors represent a transformative technology that bridges traditional electronics with the versatility of organic materials. They make flexible, wearable devices and next-generation displays possible. /news/2024-11-machine-approach-crystallizable-semiconductors.html Biochemistry Analytical Chemistry Mon, 25 Nov 2024 11:31:06 EST news651756662 Developing innovative new display technologies to create ultrahigh-definition screens efficiently A research team has developed a double-layer dry transfer printing technology that simultaneously transfers light-emitting and electron-transferring layers onto a substrate. This technology is expected to provide a more life-like view in augmented reality (AR) and virtual reality (VR), greatly enhancing the immersive experience. /news/2024-08-display-technologies-ultrahigh-definition-screens.html Optics & Photonics Thu, 22 Aug 2024 10:22:24 EDT news643540942 Development of ultra-high-efficiency pure red light-emitting devices with enhanced color representation DGIST Professor Jiwoong Yang's team in the Energy Science and Engineering Department has successfully manufactured high-performance, skin-attachable perovskite pure red light-emitting devices to create various forms of wearable displays. /news/2024-05-ultra-high-efficiency-pure-red.html Nanomaterials Wed, 08 May 2024 09:38:50 EDT news634379927 Novel high refractive index polymers show promise in sustainable optoelectronics High refractive index polymers (HRIPs) are essential for manufacturing modern optoelectronic devices, including displays and light sensors. However, high-performance HRIPs are expensive and environmentally unfriendly. /news/2024-04-high-refractive-index-polymers-sustainable.html Polymers Materials Science Tue, 30 Apr 2024 11:40:23 EDT news633696018 Scientists develop tunable colored films for displays and sensors Researchers at the Indian Institute of Science (IISc) have developed flexible films that exhibit bright colors purely by virtue of their physical structure, without the need for any pigment. When stretched, the films exhibit a change in color as a response to the mechanical deformation. /news/2024-03-scientists-tunable-displays-sensors.html Nanomaterials Tue, 19 Mar 2024 09:26:03 EDT news630059161 An alternate arrangement: How a propeller-shaped isomer can improve organic solar cells Imagine technology as a race car speeding down a track—it can only go as fast as its engine allows. But just when it seemed like organic solar cells hit a roadblock, along comes 3PNIN, a game-changing molecule shaped like a propeller, ready to turbocharge their progress and break through barriers. /news/2024-02-alternate-propeller-isomer-solar-cells.html Nanophysics Nanomaterials Tue, 27 Feb 2024 10:24:03 EST news628251842 A new (micro) lens on optics: Researchers develop hybrid achromats with high focusing efficiencies Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and lightweight optics. These high-performance hybrid micro-optics achieve high focusing efficiencies, while minimizing volume and thickness. Further, these microlenses can be constructed into arrays to form larger area images for achromatic light-field imagers and displays. /news/2023-12-micro-lens-optics-hybrid-achromats.html Optics & Photonics Sat, 09 Dec 2023 13:31:31 EST news621351077 Study unveils shape-configurable MXene-based thermoacoustic loudspeakers with tunable sound directivity Recent research has led to the development of film-type shape-configurable speakers. These speakers, based on the unique properties of MXene, offer tunable sound directivity and hold immense promise for the rapidly growing field of wearable electronics. The study is published in Advanced Materials. /news/2023-12-unveils-shape-configurable-mxene-based-thermoacoustic-loudspeakers.html Nanomaterials Fri, 01 Dec 2023 07:32:03 EST news620638321 Researchers triple carbon nanotube yield for LEDs, solar cells, flexible and transparent electronics Skoltech scientists have found a way to improve the most widely used technology for producing single-walled carbon nanotube films—a promising material for solar cells, LEDs, flexible and transparent electronics, smart textiles, medical imaging, toxic gas detectors, filtration systems, and more. By adding hydrogen gas along with carbon monoxide to the reaction chamber, the team managed to almost triple carbon nanotube yield compared with when other growth promoters are used, without compromising quality. /news/2023-11-triple-carbon-nanotube-yield-solar.html Nanomaterials Tue, 28 Nov 2023 09:31:04 EST news620386261 Researchers unveil new flexible adhesive with exceptional recovery and adhesion properties for electronic devices The rapid advancements in flexible electronic technology have led to the emergence of innovative devices such as foldable displays, wearables, e-skin, and medical devices. These breakthroughs have created a growing demand for flexible adhesives that can quickly recover their shape while effectively connecting various components in these devices. /news/2023-09-unveil-flexible-adhesive-exceptional-recovery.html Analytical Chemistry Materials Science Tue, 19 Sep 2023 10:49:44 EDT news614339382