材料科学与工程

 

学术动态
Microcrystal   robots that swim in water
Creating robots the size of molecules and that mimic the   abilities of living organisms is a dream in nanotechnology. Their   applications would be far reaching, from precision medicine to environmental   ...
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新開發可利用可見光全域之氧化還原光敏劑
東京工業大學開發了一項可同時利用包括近紅外線在內的整個可見光波長範圍,並將二氧化碳還原的光敏劑(Photosensitizer),從而成功地創建了新的光觸媒系統。目前最常用的氧化還原光敏劑(Redox   Photosensitizer)適用於...
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Researchers test   microchip for high-density synthesis of archival data storage DNA
Researchers have made significant advances toward the goal of a   new microchip able to grow DNA strands that could provide high-density 3D   archival data storage at ultra-low cost - and be able to hold ...
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Polyimide-mica   nanocomposite film with high resistance to low-Earth-orbit environments
Researchers propose a unique double-layer nacre-inspired   structural design strategy, and fabricated a new polyimide-based   nanocomposite film with greatly enhanced mechanical properties and atomic   oxyg...
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Holography meets   frequency combs (w/video)
Scientists have demonstrated a new technique for digital   holography using two interfering frequency combs. They can now record   thousands of holograms in all colours of the rainbow.
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Shrinking qubits   for quantum computing with 2D materials
Using atom-thin materials, researchers have built   superconducting qubits that are a fraction of previous sizes, paving the way   for smaller quantum computers.
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Researchers   propose method to increase charge of supercapacitors
Researchers have proposed a new theoretical model of   supercapacitors that takes into account the properties of a cation, which   considerably impacts the electric differential capacitance of supercapaci...
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Revolutionary   intelligent transistor can be adapted to perform very different tasks
Revolutionary new electronic components can be adapted to   perform very different tasks - a technology perfectly suited for artificial   intelligence.
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Novel strategy to   construct precious metal nanoparticle arrays directly on hydrogels
This facile self-assembly strategy is based on electrostatic   adsorption and hydrogel shrinkage effect.
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Visualizing   temperature transport: An unexpected technique for nanoscale characterization
Thermal transport properties of molecular junctions in materials   have remained difficult to characterize. Now, researchers unexpectedly   discovered a combination of contact and non-contact thermal micr...
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Flu virus shells   could improve delivery of mRNA into cells
This new approach by nanoengineers involves packing mRNA inside   nanoparticles that mimic the flu virus - a naturally efficient vehicle for   delivering genetic material such as RNA inside cells.
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浙江大学欧阳宏伟团队研发仿生“关节油漆”,快捷翻新破损关节面
骨关节炎(Osteoarthritis,OA)是一种高发的、高致残率的关节疾病,这种疾病的发病率随着年龄的增大逐渐增加,而我国正面临着人口老龄化社会的进程,以此趋势骨关节炎将严重影响我国人民的生活质量,加重人民和...
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湘潭大学刘益江副教授《CEJ》:基于1D纳米反应器与表面配体工程制备极性有机溶剂耐受的全无机钙钛矿纳米晶复合材料
全无机钙钛矿纳米晶(CsPbX3 NCs,X =   Cl,Br或I)因具有高荧光量子效率、发光波长可调且覆盖整个可见光谱、窄发射峰等优异性能,而被广泛应用于发光二极管、光电探测器、生物成像、防伪等领域。然而,由于全无机...
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结晶半导体共价三嗪框架的快速、有序聚合
共价三嗪框架(covalent triazine frameworks,   CTFs)因其独特的三嗪结构、丰富的孔隙、高共轭特性及优异的化学和热稳定性,在气体吸附/分离、能量存储与转换及催化领域表现出极大的应用潜力。然而结晶CTFs的发展受制...
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超硬超强!连发两篇Nature的非晶金刚石究竟有何不同?
近日,Nature上连发两篇合成非晶金刚石(non-crystalline   diamonds)的文章,分别来自吉林大学超硬材料国家重点实验室的毫米级高纯sp3相无定形碳   [1]以及北京高压科学研究中心与美国乔治梅森大学研究团队的次晶金刚石...
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中科院化学所肖海华研究员团队《Adv.   Mater.》:可降解的近红外二区假性共轭聚合物光热剂治疗高级别浆液性卵巢癌
光热疗法(photothermal therapy,   PTT)是一种具有高选择性和低毒性的新型肿瘤治疗手段,在过去的十多年来,受到人们的广泛关注。作为PTT的核心要素,光热剂(photothermal   agents, PTAs)的开发对于PTT至关重要...
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分子内非共价作用调控实现高性能OLED红光材料
有机发光二极管 (OLED)   作为新型显示技术已经在高端手机、平板电脑、智能穿戴和电视等领域获得了广泛应用。高效稳定的三原色有机发光材料是OLED产业的核心材料,其中受限于能隙定律的快速非辐射衰减过程,高效率红光...
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上海交大刘尽尧团队Small:基于仿生纳米树突状细胞的肿瘤疫苗平台
癌症是目前严重影响人类健康与生命的疾病之一。世界卫生组织国际癌症研究机构发布了2020年全球最新癌症数据。这项最新统计数据显示,2020年全球新发癌症病例1929万例,全球癌症死亡病例996万例。中国作为世界第一...
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Curcumin   Nanoparticle Dermal Patches for Enhanced Wound Healing
Researchers utilize curcumin nanoparticles to develop dermal   patches that aid wound healing with enhanced antibacterial properties.
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Tracking Down   Microplastics in Antarctica
Microplastics are everywhere, even in the most remote places.   Where do these tiny pieces of plastic come from? Researchers from the   University of Basel and the Alfred-Wegener Institute have shown that...
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Polymers With   Helical Blocks
Polymers, the basis of all plastics, usually do not have an   ordered structure, in contrast to biopolymers such as proteins. A team of   researchers has now developed a polymer that can be differentiated...
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New   Virus-Mimicking Nanoparticles for Efficient mRNA Delivery into Cells
Nanoengineers at the University of California San Diego have   developed a new and potentially more effective way to deliver messenger RNA   (mRNA) into cells.
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New Insights into   the Development of Fluorescent Nanomaterials
A recent review explores the biomedical applications of   fluorescent nanoparticles, including semiconductor quantum dots,   nanoparticles, and carbon nanotubes.
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A New   Super-Hydrophobic Coating to Prevent Seawater Corrosion of Carbon Steel
Researchers develop an anticorrosion ultra-hydrophobic Ni-Co/Cu   nanocomposite lamination to be applied on carbon steel surfaces.
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Hybrid   Nanocomposites as a Biofouling Solution
New research explores the use of photocatalytic nanomaterials to   reduce marine biofouling.
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3D Printing of   Blood Plasma May Speed Up Wound Healing
New research by RCSI University of Medicine and Health Sciences   suggests that effective wound healing may be aided by replicating a crucial   component of our blood. advertisement The finding, published...
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A   Nanotechnology-Driven Food Sector - Sustainable and Waste-Free
A new review published in the journal Energy discusses how   nanotechnology has helped this industry address key challenges such as   excess food waste.
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Timber or Steel?   Study Helps Builders Reduce Carbon Footprint of Truss Structures
Buildings are a big contributor to global warming, not just in   their ongoing operations but in the materials used in their construction.   Truss structures -- those crisscross arrays of diagonal struts ...
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Steam   Disinfection of Baby Bottle Nipples Exposes Babies and the Environment to   Micro And Nanoplastic Particles
Using a new microspectroscopic technique, collaborating   scientists at the University of Massachusetts Amherst and Nanjing University   in China have found that steam disinfection of silicone-rubber baby...
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Thriving in   Non-Equilibrium
Equilibrium may be hard to achieve in our lives, but it is the   standard state of nature. advertisement From the perspective of chemistry and   physics, equilibrium is a bit dull -- at least to Cheng-Chi...
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Protein-Mediated   Doping of ZnO with Plasmonic Nanoparticles for Sensing and Optical   Applications
The feasibility of protein-mediated doping of ZnO with nanogold   particles for sensing and optical security applications has recently been   explored.
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The Promise of   Self-Powered Ferroelectric Nanogenerators
A recent study discusses ferroelectric material-based   nanogenerators that demonstrate ferroelectric photovoltaic effects.
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Time Crystal in a   Quantum Computer
There is a huge global effort to engineer a computer capable of   harnessing the power of quantum physics to carry out computations of   unprecedented complexity. While formidable technological obstacles ...
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Doing Photon   Upconversion a Solid — Crystals That Convert Light to More Useful Wavelengths
Solid-solution organic crystals have been brought into the quest   for superior photon upconversion materials, which transform presently wasted   long-wavelength light into more useful shorter wavelength ...
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日本东丽快速开发靶向性能航空预浸料新品
11月30日,日本东丽宣布,依托材料信息学技术,在短时间内开发出兼具高阻燃性和强力学性能的下一代航空碳纤维复合材料产品(CFRP),有望在飞机、汽车、一般工业等应用中得到推广。   材料信息学(Materials Informati...
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Micro And   Nanoplastics from Baby Bottle Nipples
Using a new microspectroscopic technique, collaborating   scientists at the University of Massachusetts Amherst and Nanjing University   in China have found that steam disinfection of silicone-rubber baby...
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Strategies for   improving rechargeable lithium-ion batteries
EV manufacturing requires more energy and produces more   emissions than manufacturing a conventional car because of batteries. There   are many unanswered questions about the life-cycle greenhouse gas im...
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新聚合物将硅砂结合成复合材料,用于多个行业
由橡树岭国家实验室 (ORNL) 的研究人员设计的一种水溶性新型聚合物与硅砂结合,用于 3D   打印,用于汽车和航空等行业的模具、原型和零件生产。 ORNL 团队创造了一种聚乙烯亚胺 (PEI) 粘合剂,与传统粘合剂相比,它使沙...
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‘Super Jelly’ Can   Survive Being Run Over by a Car
Researchers have developed a jelly-like material that can   withstand the equivalent of an elephant standing on it, and completely   recover to its original shape, even though it's 80% water. advertisemen...
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Researchers Light   the Way for Organic Glow-in-the-Dark Materials
Glow-in-the-dark materials are utilized worldwide for emergency   signs, watches, and paint. This useful characteristic fuels a global market   worth approximately US$400 million. But the inorganic crysta...
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'Magic Wand'   Reveals a Colorful Nano-World
Scientists have developed new materials for next-generation   electronics so tiny that they are not only indistinguishable when closely   packed, but they also don't reflect enough light to show fine deta...
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Shifting Colors   for on-Chip Photonics
The ability to precisely control and change properties of a   photon, including polarization, position in space, and arrival time, gave   rise to a wide range of communication technologies we use today, i...
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Research Pushes   Auto Industry Closer to Clean Cars Powered by Direct Ethanol Fuel Cells
Alternative-energy research at Oregon State University is   charting a path toward the mass adoption of clean cars powered by   direct-ethanol fuel cells. advertisement Zhenxing Feng of the OSU College   of...
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A New Topological   Magnet With Colossal Angular Magnetoresistance
While electrons are well known to carry both charge and spin,   only the electric charge portion is utilized as an information carrier in   modern electronic devices. However, the limits of modern electro...
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Electrons Set the   Stage for Neutrino Experiments
Neutrinos may be the key to finally solving a mystery of the   origins of our matter-dominated universe, and preparations for two major,   billion-dollar experiments are underway to reveal the particles' ...
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結合PET與生質聚酯PEF的材料開發與應用
童世煌 / 臺灣大學高分子所 聚對苯二甲酸乙二酯(Polyethylene Terephthalate;   PET)於1941年問世,成為現今最被廣泛使用的聚酯材料,大量應用於包裝、紡織、電子電機等工業領域。尤其在食品包裝業中佔極大的市場,2...
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Graphene   Nanoribbon Edge Defects Unveil Potential to Manipulate Optical Properties for   Nano-Imaging
Researchers can control how the edge-defect affects the   electrical and optical characteristics of armchair graphene nanoribbons.
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南京林业大学黄超伯/熊燃华课题组在多面异向/芯壳微球方面取得系列进展
多面异向/芯壳微球在医学工程和材料科学领域中受到广泛关注,由于单个微球可以在不同空间中携带多种材料,因此在多药物释放、多靶点检测等领域应用广泛。但目前制备多面微球材料的方法存在很大的局限性,比如传统...
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New Nano-Sized   Camera can Produce Crisp, High-Quality Images
Micro-sized cameras have great potential to spot problems in the   human body and enable sensing for super-small robots, but past approaches   captured fuzzy, distorted images with limited fields of view....
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Modeling Predicts   Carbon Nanotubes Effectively Bind to SARS-CoV-2
Research has explored the attachment affinity of carbon   nanotubes and carbon nano-fullerenes towards SARS-CoV-2.
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厦门大学刘向阳教授课题组《Adv.   Sci.》综述:智能蚕丝电子、光子纤维器件研究进展
纤维电子、光子器件能够集成在纱线或织物中,是智能纺织品的重要组成部分,在可移动能量收集,远程诊断,个性化医疗保健,运动跟踪,人机交互,和可穿戴显示等领域有着广阔的应用前景。蚕丝纤维被誉为“纤维皇后...
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Nano Therapeutic   Strategies and New Pharmaceuticals
Advances in technology have enabled medicinal chemists to   discover and formulate several highly specific, biocompatible, and non-toxic   therapeutic agents for clinical applications.
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Eco-Friendly   Material Synthesis Technique Helps EV and Battery Industry Go Green
A recent article published in the journal Nanomaterials   describes a novel eco-friendly material synthesis technique that can be used   to manufacture lithium-ion batteries for clean energy production.
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受力部位發出螢光的高分子材料
東京工業大學與相模中央化學研究所合作,開發出一款受力便會發出螢光的高分子材料。為了預知橡膠或塑膠等代表性高分子材料的使用壽命或危險性,業界急需這種藉由可視化來判斷施加多少力量的技術。研發人員首先製作了...
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MXene   Nanomaterials for Future Solar Energy Technologies
MXenes have outstanding customized qualities, making them   potential candidates for novel power generation technologies.
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Addition of   Ceramic Nanoparticles Improves Composites for Aviation Industry
Researchers explore the potential of ceramic   nanoparticle-embedded multiscale-hybridized fiber-reinforced polymers in   aerospace structures.
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上海交大刘景全教授团队《Sci.   Adv.》论文:基于负拉阻应变传感器的自适应心脏光遗传器件
在心血管疾病领域,开发能够长期随体预防、诊断和治疗的可植入装置是至关重要的,此类设备通过长期记录生理参数,提醒个人及医生异常生理特征以及潜在健康风险。为了缩短心律失常的抢救时间和提高治疗效率,对可...
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Nanomaterials for   Targeting Ferroptosis-Based Cancer Therapies
Insights for nanotechnology in cancer treatment have been   explored, focusing on the iron-dependent programmed cell death, ferroptosis.
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一类有前景的铝离子电池正极材料——稠环芳烃
能源问题自古以来就是制约国家经济发展和社会进步的重要因素。煤炭成就了英国,石油成就了美国,但是煤炭石油是不可再生能源,资源和环境问题最终会推动社会能源结构再次转变,这对于我们而言是千载难逢的机会。电气...
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How to turn   ultrathin silicon black?
Researchers have discovered how to greatly enhance the optical   absorption of (ultra)thin silicon films using a nanostructured backreflector.   This is relevant for device applications in ultrathin solar...
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Compact 3D laser   nanoprinters for the desktop
3D laser printers for 3-dimensional microstructures and   nanostructures have required big and expensive laser systems so far.   Researchers now use two-step absorption that works with inexpensive and   sma...
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How   nanotechnology can benefit smart cities
The development of smart cities is linked to the development of   new materials and devices, the use of sensor networks, the handling of huge   amounts of data, the development of communication networks b...
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Memristive   spintronic neurons: Combining two cognitive computing nano-elements into one
Despite significant advancements in computing technologies, they   pale in comparison to the energy efficiency of human brains. Now, researchers   have developed a new spintronic technology for brain-insp...
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Researchers   analyze surface properties of spider webs
Researchers have analyzed the surface properties of the   Linothele fallax spider's silk and how they affect the properties of the   material as a whole. The study demonstrates that spider web can be used...
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New nanomedicine   drug testing system to help cut down on animal testing
Researchers have developed a new nanomedicine testing system   based on plant leaves. This new solution will make it possible to   significantly cut down on animal testing.
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Study introduces   framework to understand new class of curved lattice materials
A new study introduces a framework to calculate the material   properties of a new class of two-dimensional curved hexagonal lattices that   could be used in the production of improved mechanical metamate...
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New discovery   opens the way for brain-like computers
Scientists have succeeded for the first time in combining a   memory function with a calculation function in the same component. The   discovery opens the way for more efficient technologies, everything f...
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Dual   electrochemical sensing of spiked virus and SARS-CoV-2 using natural   bed-receptor (MV-gal1)
It has been necessary to use methods that can detect the   specificity of a virus during virus screening. In this study, we use a dual   platform to identify any spiked virus and specific SARS-CoV-2 antig...
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Megahertz scan   rates enabled by optical sampling by repetition-rate tuning
We demonstrate, for the first time, optical sampling by   repetition-rate tuning (OSBERT) at record megahertz scan rates. A low-cost,   tunable and extremely compact 2-section passively mode-locked laser ...
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A highly stable,   nanotube-enhanced, CMOS-MEMS thermal emitter for mid-IR gas sensing
The gas sensor market is growing fast, driven by many   socioeconomic and industrial factors. Mid-infrared (MIR) gas sensors offer   excellent performance for an increasing number of sensing applications ...
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Atomistic-scale   analysis of the deformation and failure of polypropylene composites   reinforced by functionalized silica nanoparticles
Interfacial adhesion between polymer matrix and reinforcing   silica nanoparticles plays an important role in strengthening polypropylene   (PP) composite. To improve the adhesion strength, the surface of...
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Field-like   spin–orbit torque induced by bulk Rashba channels in GeTe/NiFe bilayers
Most studies of the Rashba effect have focused on interfacial   Rashba spin–orbit coupling. Recently, bulk Rashba materials have attracted   considerable interest owing to their potential to enhance the ...
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Unusual   terahertz-wave absorptions in δ/α-mixed-phase FAPbI3 single crystals:   interfacial phonon vibration modes
The terahertz (THz)-wave absorption properties in   organic-inorganic hybrid perovskite (OHP) materials are investigated with the   in-depth development of OHP-based THz applications. In the THz range fro...
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Transistors based   on two-dimensional materials for future integrated circuits
Field-effect transistors based on two-dimensional (2D) materials   have the potential to be used in very large-scale integration (VLSI)   technology, but whether they can be used at the front end of line ...
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材料学院姚可夫、邵洋研究团队在腐蚀法制备析氧反应电催化剂领域取得新进展
氢气是一种高密度的能量载体和重要的化工原料,耦合可再生能源发电的电解水是一种可持续发展的制氢方法,当前电解水的效率主要受限于其阳极析氧反应(OER)较高的过电势。为了提高电解水的效率,需要使用电催化剂降低...
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海洋所在新颖P掺杂MoS2/g-C3N4光催化杀菌材料研究中取得进展
随着海洋经济的发展,海洋环境中生物污损问题日益严重。近几年来,以半导体为基础的新型绿色光催化防污技术得到广泛关注。中国科学院海洋研究所段继周课题组研究员张杰与哈尔滨工业大学联合构建出一种新颖的P掺杂MoS...
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我科学家发现金刚石新形态
本报北京11月28日电 记者袁于飞   日前从北京高压科学研究中心获悉,该中心缑慧阳研究员团队及其合作者利用高温高压手段首次制备了一种新形态金刚石――次晶态金刚石,该形态是科学家们一直寻找的具有中程有序结构的金...
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热塑性复合材料: 结构保险杠支架
由混合材料制成的保险杠支架质量更轻,同时还增加了皮卡前保险杠的设计灵活性和包容空间。   在钢制保险杠后部左前和右前这样一个隐蔽但极为重要的位置,通用2019 雪佛兰Silverado皮卡为复合材料带来了新的结构应用机遇...
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国家纳米中心在核酸与多肽交叉研究中取得进展
近日,中国科学院国家纳米科学中心李乐乐课题组报道了一种方法学以实现利用蛋白酶调控核酸功能,并以此为基础实现了两种肿瘤促转移标志物的空间选择性成像分析。     蛋白酶是一类具有蛋白水解活性的酶,参与调节几乎...
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树枝状纳米凝胶智能材料,在医疗保健领域有巨大前景
阿根廷研究人员最近在《欧洲聚合物杂志》上发表了一项研究,其中使用沉淀方法来制造基于树枝状热响应聚合物的纳米凝胶。
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英国国家复合材料中心推出高温树脂传递模塑复合材料的新型解决方案
【据英国国家复合材料中心网站2021年11月23日公告】通过5年的合作,英国国家复合材料中心(National   Composites Centre,NCC)与瑞典Nexam Chemical公司取得了树脂传递模塑复合材料的重大创新突破,提供了极端高温环...
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奥地利与德国公司联合完成“高速低成本旋翼机”原型机舱门制造
据cleansky网站2021年11月25日刊文,奥地利LKR Leichtmetallkompetenzzentrum   Ranshofen公司与德国复合动力(Composite   Impulse)公司现已完成“高速低成本旋翼机”(RACER)原型机左右驾驶舱门、客舱两侧滑动舱门、...
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Z06宽度现在用于非Z06雪佛兰C8护卫舰通过安德森复合材料宽体套件
如果您是2020年至今的Corvette Stingray的所有者,想要更广阔的外观,但不想将其换成2023 Corvette   Z06,那么您很幸运。加利福尼亚 州工业城的安德森复合材料公司(Anderson Composites)为黄貂鱼(Stingray)提出了一...
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俄第7艘12700型基地扫雷舰下水   采用玻璃纤维船体
这是11月26日在俄罗斯圣彼得堡中涅瓦造船厂拍摄的“阿纳托利·什列莫夫”号12700型扫雷舰。   当日,俄罗斯“阿纳托利·什列莫夫”号12700型扫雷舰在圣彼得堡中涅瓦造船厂下水。这是俄建造的第七艘12700型“变石”级基...
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全国产化!我国自研“碳纤维复合材料新技术”长沙亮相
11月26日,我国首款国产化碳纤维臂架泵车亮相。   在湖南长沙召开的“中联重科新能源装备及碳纤维复合材料新技术发布会”上,记者了解到,能灵活完成各类工程施工指令动作的碳纤维臂架,应用了中联重科历经十年技术积累...
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江南大学刘禹教授团队AFM:双材料   3D 打印技术实现液态金属/弹性体网格导电复合材料的有序组装
电子皮肤、软体机器人和电磁屏蔽(EMI)材料等应用的快速发展,使得具有优异变形性和导电性的可拉伸导体需求日益迫切。对于实际的工程应用需求,可拉伸导体需要在复杂变形条件下具有稳定导电性和结构完整性。因此...
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暨大宁国宏/李丹教授团队、利物浦大学Andrew   Cooper团队JACS封面:超薄聚酰亚胺共价有机框架纳米片助力高性能锂硫电池
锂硫电池因其高理论容量、低成本和环境友好性而受到越来越多的关注,被认为是最有前景的下一代储能体系之一。然而,多硫化锂中间体的溶解和穿梭效应,循环过程中体积膨胀效应严重限制了其商业化的应用。共价有机...
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劳伦斯伯克利国家实验室刘毅研究员《Nat.   Commun.》:新型拓扑化学聚合-固态合成可溶液加工和功能化的超高分子量聚合物
拓扑化学聚合 (TCP)   是一种固态化学转化,即在一些外部的能量刺激下(如热或者光),单体将按照其晶体内部分子排列形式进行聚合。如TCP 得到有效利用,它将成为除ROMP 和   ATRP以外,可用于生成超高分子量 (数均分...
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Surface science   methodology reveals relaxation and failure mechanisms of energy storage   devices
Scientists revealed the atmosphere-dependent relaxation and   failure mechanisms of ESDs by in situ surface science methodology.
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