/ en-us 糖心视频 internet news portal provides the latest news on science including: 糖心视频ics, 糖心视频, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Rice University researchers studying a class of atom-thin semiconductors known as transition metal dichalcogenides (TMDs) have discovered that light can trigger a physical shift in their atomic lattice, creating a tunable way to adjust the materials' behavior and properties. /news/2025-11-reshape-atom-thin-semiconductors-generation.html Nanophysics Nanomaterials Tue, 04 Nov 2025 15:35:03 EST news681492901 A global team of experts from academia and industry has joined forces in a landmark Consensus Statement on next-generation photodetectors based on emerging light-responsive materials, which could accelerate innovative applications across health care, smart homes, agriculture, and manufacturing. /news/2025-11-global-advances-generation-sensors-based.html Optics & Photonics Mon, 03 Nov 2025 16:41:03 EST news681410461 Infrared sensors, which act as the "seeing" component in devices such as LiDAR for autonomous vehicles, 3D face recognition systems in smartphones, and wearable health care devices, are regarded as key components in next-generation electronics. /news/2025-11-room-temperature-3d-enables-miniaturized.html Nanophysics Nanomaterials Mon, 03 Nov 2025 12:00:03 EST news681393259 Halide perovskites鈥攁lready a focus of major research into efficient, low-cost solar cells鈥攈ave been shown to handle light faster than most semiconductors on the market. /news/2025-10-perovskites-reveal-ultrafast-quantum.html Nanophysics Nanomaterials Wed, 29 Oct 2025 06:00:01 EDT news680779269 Graphene and its molecular fragments, known as nanographenes, are key materials for next-generation organic electronics due to their tunable 蟺-electron frameworks. The physical and electronic properties of nanographenes are highly sensitive to molecular size, shape, and especially edge topology. Among the various edge types, "gulf edges"鈥攄eep concave sites on the molecular boundary鈥攈ave remained largely unexplored despite their potential to induce strong curvature and unique electronic behavior. /news/2025-10-molecules-properties-nanographene-oxidation.html Nanophysics Nanomaterials Tue, 28 Oct 2025 11:43:47 EDT news680870625 From creating flexible gadgets to better medicines, the art of bending crystals is reshaping technology and health, and at the University of Houston a crystals expert makes it look almost like a magic trick. /news/2025-10-biogenic-crystals-naturally-external.html Analytical Chemistry Materials Science Thu, 23 Oct 2025 14:18:03 EDT news680447881 Photoluminescent materials are essential for numerous modern technologies鈥攄isplays, solar cells, optoelectronic devices and sensors among them. However, most photoluminescent materials in use today rely on toxic metals and non-renewable resources. /news/2025-10-qa-trees-sustainable-photoluminescence.html Biochemistry Materials Science Thu, 23 Oct 2025 10:21:18 EDT news680433674 A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, overcoming the high-voltage and color-purity problems that have long limited blue OLEDs. The breakthrough was achieved by introducing a new molecular dopant that prevents charge trapping, a problem that previously hampered the performance of low-voltage OLEDs. The resulting device produces sharp blue emissions that meet BT.2020 standards, paving the way towards brighter, more energy-efficient displays. /news/2025-10-deep-blue-emitting-diode.html Optics & Photonics Tue, 14 Oct 2025 12:40:03 EDT news679664016 A team of researchers from Tohoku University, Tokyo University of Science, and the Institute for Molecular Science have uncovered how the precise addition of a single silver (Ag) atom can dramatically transform the light-emitting properties of high-nuclear Ag nanoclusters (NCs). /news/2025-10-extra-silver-atom-ag-nanocluster.html Nanophysics Nanomaterials Tue, 14 Oct 2025 09:06:03 EDT news679651561 Researchers have for the first time measured the true properties of individual MXene flakes鈥攁n exciting new nanomaterial with potential for better batteries, flexible electronics, and clean energy devices. /news/2025-10-mxenes-technique-gen-nanomaterials.html Nanophysics Nanomaterials Mon, 06 Oct 2025 10:23:04 EDT news678964981 MIT chemists have designed a new type of fluorescent molecule that they hope could be used for applications such as generating clearer images of tumors. /news/2025-10-chemists-red-fluorescent-dyes-enable.html Analytical Chemistry Materials Science Mon, 06 Oct 2025 09:10:31 EDT news678960627 Over the past few years, engineers and material scientists have been trying to devise new optical systems in which light particles (i.e., photons) can move freely and in useful ways, irrespective of defects and imperfections. Topological phases, unique states of matter that are not defined by local properties, but by non-local and global features, can enable the robust movement of photons despite material defects. /news/2025-09-floquet-chern-insulators-based-nonlinear.html Nanophysics Nanomaterials Thu, 02 Oct 2025 06:30:02 EDT news678368479 Atoms in crystalline solids sometimes vibrate in unison, giving rise to emergent phenomena known as phonons. Because these collective vibrations set the pace for how heat and energy move through materials, they play a central role in devices that capture or emit light, like solar cells and LEDs. /news/2025-09-nanoscale-slots-enable-room-temperature.html Condensed Matter Optics & Photonics Tue, 30 Sep 2025 16:46:03 EDT news678469561 In a recent Nature study, scientists have demonstrated an electrically driven perovskite laser using a dual-cavity design, addressing a challenge that has persisted in the field for over a decade. /news/2025-09-scientists-electrically-driven-perovskite-laser.html Optics & Photonics Sun, 28 Sep 2025 10:00:01 EDT news678107757 A research team led by the California NanoSystems Institute at UCLA, or CNSI, demonstrated a new type of light-emitting material expected to be suitable for photonics鈥攄evices based on light in the same way that today's electronics are based on electrical signals. /news/2025-09-stretchable-emitting-material-photon-based.html Nanophysics Nanomaterials Fri, 26 Sep 2025 10:03:04 EDT news678099781 Rice University researchers used a focused electron beam to pattern device functions with submicron precision directly into an ultrathin crystal. The approach produced traces narrower than the width of a DNA helix that glow with bright blue light and conduct electricity, showing it could be used to manufacture compact on-chip wiring and built-in light sources. /news/2025-09-scientists-electrons-pattern-sources-wiring.html Nanophysics Nanomaterials Wed, 24 Sep 2025 13:33:40 EDT news677939615 Excitons, bound states between an electron (i.e., a negatively charged particle) and a hole (i.e., the absence of an electron) in materials, are a key focus of condensed matter physics studies. These bound states can give rise to interesting and uncommon quantum physical effects, which could be leveraged to develop optoelectronic and quantum technologies. /news/2025-09-hybridization-interlayer-excitons-bilayer-semiconductor.html Condensed Matter Optics & Photonics Sat, 20 Sep 2025 09:20:02 EDT news677331161 As the volume of scientific literature continues to grow, researchers are turning to artificial intelligence to sift through millions of research papers and uncover insights that can accelerate the discovery of new materials. /news/2025-09-materials-ai-powered-lab.html Analytical Chemistry Materials Science Fri, 19 Sep 2025 10:52:52 EDT news677497966 Black phosphorus nanoribbons (BPNRs), thin and narrow ribbon-like strips of black phosphorus, are known to exhibit highly advantageous electronic properties, including a tunable bandgap. This essentially means that the energy difference between the region where electrons are bound together (i.e., valence band) and that where electrons move freely (i.e., conduction band) can be easily controlled by adjusting the width of the nanoribbons. /news/2025-09-scalable-strategy-high-quality-black.html Nanophysics Nanomaterials Wed, 17 Sep 2025 12:33:07 EDT news677331181 A new study has successfully demonstrated the confinement of terahertz (THz) light to nanoscale dimensions using a new type of layered material. This could lead to improvements in optoelectronic devices such as infrared emitters used in remote controls and night vision and terahertz optics desired for physical security and environmental sensing. /news/2025-09-layered-material-successfully-confines-terahertz.html Condensed Matter Optics & Photonics Mon, 15 Sep 2025 17:19:04 EDT news677175541 Moir茅 superlattices are periodic patterns formed when two or more thin semiconducting layers are stacked with a small twist angle or lattice mismatch. When 2D materials form these patterns, their electronic, mechanical, and optical properties can change significantly. /news/2025-09-trilayer-moir-superlattices-tunable-exciton.html Condensed Matter Optics & Photonics Fri, 12 Sep 2025 07:20:02 EDT news676805619 Researchers at Kaunas University of Technology (KTU), Lithuania, have developed new organic compounds that act as highly sensitive oxygen sensors. These sensors can accurately detect even the slightest amounts of oxygen in the environment鈥攊nformation that is crucial in situations where oxygen concentration can determine the success of a process or even a person's life. /news/2025-09-newly-compounds-highly-sensitive-oxygen.html Biochemistry Analytical Chemistry Thu, 11 Sep 2025 14:57:04 EDT news676821421 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 A research team has developed a direct optical lithography (DOL) technology that patterns quantum dots (QDs) at ultra-high resolution using only light, without photoresist. Through this, they also provided guidelines for selecting cross-linkers essential for fabricating high-performance QLEDs. This achievement is regarded as a core fundamental technology that can be applied to a wide range of optoelectronic devices, including micro-QLEDs, ultra-high-resolution displays, transparent electronic devices, and next-generation image sensors. /news/2025-09-core-technology-ultra-high-resolution.html Nanophysics Nanomaterials Mon, 08 Sep 2025 15:19:03 EDT news676563542 Researchers at National Taiwan University designed a graphene oxide biochar TiO2 nanocomposite that combines adsorption capacity with superior photocatalytic activity. With strong material characterization and optoelectronic properties, it offers a novel and sustainable solution for antibiotic removal from livestock wastewater. /news/2025-09-reusable-nanocomposite-adsorption-photocatalysis-advanced.html Nanomaterials Mon, 08 Sep 2025 12:16:03 EDT news676552561 Just one year after NREL materials science researchers Matthew Hautzinger and Sage Bauers met to exchange notes on underexplored materials in nanotechnology, their synthesis of promising Zintl-phase quantum dots is attracting attention with its bright photoluminescent glow, chemical stability, and Earth-abundant ingredients. /news/2025-09-built-brilliance-zintl-phase-quantum.html Nanophysics Nanomaterials Thu, 04 Sep 2025 09:14:04 EDT news676196041 The notion of a phased array was initially articulated by Nobel Prize recipient K. F. Braun. Phased arrays have subsequently evolved into a formidable mechanism for wave manipulation. This assertion holds particularly true in the realm of ultrasound, wherein arrays composed of ultrasound-generating transducers are employed in various applications, including therapeutic ultrasound, tissue engineering, and particle manipulation. /news/2025-09-programmable-dynamic-ultrasound-wavefront.html Condensed Matter Optics & Photonics Wed, 03 Sep 2025 09:20:03 EDT news676109640 Polaritons are quasiparticles emerging from strong interactions between light particles (i.e., photons) and matter excitations (e.g., excitons). Over the past few years, researchers have found that these quasiparticles can alter fundamental chemical and physical processes. /news/2025-09-polaritons-enable-tunable-efficient-molecular.html Condensed Matter Optics & Photonics Wed, 03 Sep 2025 07:00:01 EDT news676036386 Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation鈥攁 measure of the loss of optical power per kilometer traveled鈥攐f optical fibers in around 40 years. Decreasing this loss would mean that the signal could travel further without being amplified, leading to more data being transmitted over longer distances, faster internet and more efficient networks. /news/2025-09-hollow-core-optical-fiber-transmits.html Optics & Photonics Tue, 02 Sep 2025 12:23:48 EDT news676034621 New research from the University of St Andrews paves the way for holographic technology, with the potential to transform smart devices, communication, gaming and entertainment. /news/2025-08-optoelectronics-holograms-smartphone-closer-everyday.html Condensed Matter Optics & Photonics Fri, 29 Aug 2025 12:40:03 EDT news675688168