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Breakthrough could launch organic electronics beyond cell phone screens

Sat, 18 Nov 2017 01:45:59 -0500

A discovery by an international team of researchers points the way to more widespread use of an advanced technology generally known as organic electronics.


Scientists capture colliding organic nanoparticles on video for first time (w/video)

Fri, 17 Nov 2017 12:55:28 -0500

Unprecedented view will aid researchers developing new drug delivery methods.


Semiconducting carbon nanotubes can reduce noise in carbon nanotube interconnects

Fri, 17 Nov 2017 09:43:31 -0500

This paper presents reduction of crosstalk and noise in CNT bundle interconnects. Researchers propose the use of small diameter semiconducting CNTs as electromagnetic interference shields for CNT bundle interconnects.


Strain-free epitaxy of germanium film on mica

Fri, 17 Nov 2017 08:42:42 -0500

Researchers demonstrate, for the first time, strain-free van der Waals epitaxy of the elemental semiconductor germanium grown on mica, which has implications ranging from faster integrated circuits to high-efficiency solar cells.


Polymer nanoparticles could replace commonly used and fragile antibodies in diagnostic tools

Fri, 17 Nov 2017 08:37:50 -0500

Researchers have have reported the development of polymeric materials with molecular recognition capabilities which hold the potential to outperform natural antibodies in various diagnostic applications.


A new window into electron behavior

Fri, 17 Nov 2017 08:30:07 -0500

Scientists invent technique to map energy and momentum of electrons beneath a material?s surface.


A single-atom catalyst supported on monolayers for nitrogen fixation

Fri, 17 Nov 2017 06:03:57 -0500

Single-atom catalysts (SACs) have emerged as a new frontier in heterogeneous catalysis, and demonstrated distinguishing performances for various reactions due to their high catalytic activity with a significantly reduced amount of metals used. However, the catalytic performance of SACs for nitrogen fixation and conversion has been rarely explored. Scientists now have proposed a quite promising single-atom-based electrocatalyst for N2 reduction to NH3 under ambient conditions.

Researchers compute unprecedented values for spin lifetime anisotropy in graphene

Fri, 17 Nov 2017 03:39:55 -0500

The team's calculations indicate a spin lifetime anisotropy that is orders of magnitude larger than anything observed in graphene until now.


World's first real-time visualization of water produced inside fuel cells

Fri, 17 Nov 2017 03:35:27 -0500

As a result of this breakthrough, it is now possible to observe the behavior of the water produced in fuel cells for automobiles which often experience drastic changes in reactions.


Evaluation of novel nanoparticle-containing hybrid membranes for carbon capture

Fri, 17 Nov 2017 03:25:54 -0500

Effects of industrial gas impurities on the performance of hybrid membranes for gas separation.


'Ion billiards' cue novel material synthesis method

Fri, 17 Nov 2017 03:13:06 -0500

Researchers have developed a novel material synthesis method called proton-driven ion introduction, which utilizes a phenomenon similar to 'ion billiards'. The new method could pave the way for creating numerous new materials, thus drastically advancing materials sciences.


New imaging technique peers inside living cells

Fri, 17 Nov 2017 02:47:11 -0500

Non-invasive approach views sub-cellular structures at nanoscale resolution.


Quantum dots mark the spot

Fri, 17 Nov 2017 02:42:04 -0500

Small connecting proteins are the key to easy-to-make probes for biomedical imaging.


New research into epitaxy of germanium challenges the supremacy of silicon

Thu, 16 Nov 2017 12:28:54 -0500

New research establishes an economical method for growing crystalline thin-film germanium - using a process known as van der Waals epitaxy.


New buckypaper motion sensors a major step toward low-cost, high-performance wearable technology

Thu, 16 Nov 2017 11:59:57 -0500

Using carbon nanotubes, researchers have developed a class of breakthrough motion sensors that could herald a near future of ubiquitous, fully integrated and affordable wearable technology.


Filtration of nanoparticles from traffic should become a key criterion of building ventilation

Thu, 16 Nov 2017 10:23:52 -0500

A good air filter can prevent health-endangering nanoparticle emissions from entering the indoor air of buildings.


True colors meet minimization - The stacked color sensor

Thu, 16 Nov 2017 06:51:54 -0500

Researchers have now developed a sensor prototype that absorbs light almost optimally - and is also cheap to produce.


Flexible microbattery enables smart dental braces

Thu, 16 Nov 2017 04:22:37 -0500

Researchers have demonstrated a novel approach toward smart orthodontics based on near-infrared red light from a mechanically flexible LED powered by flexible bio-safe batteries all integrated in a single 3D-printed dental brace. Integration of electronic devices in 3D printed dental aligners is a pragmatic approach towards implementing a flexible electronic technology in personalized advanced healthcare, particularly in orthodontics. Key to this smart brace is the use of a high-performance flexible solid-state microbattery.

Finding Majoranas

Thu, 16 Nov 2017 04:09:03 -0500

Nano-'hashtags' could be the key to generating the highly sought Majorana quasiparticle.


Unleashing nano sulfur's potential

Thu, 16 Nov 2017 04:02:50 -0500

Sealed sulfur particles show promise for renewable energy storage technology.


Less is more to produce top-notch 2D materials

Thu, 16 Nov 2017 03:58:07 -0500

A simple technique for mass producing ultrathin, high-quality molybdenum trioxide nanosheets could lead to next-generation electronic and optoelectronic devices.


Ceria nanoparticles: It is the surface that matters

Thu, 16 Nov 2017 03:51:52 -0500

Scientists have studied ceria nanoparticles with the help of probe molecules and a complex ultrahigh vacuum-infrared measurement system and obtained partly surprising new insights into their surface structure and chemical activity.


Kevlar-based artificial cartilage mimics the magic of the real thing

Wed, 15 Nov 2017 15:37:53 -0500

The new Kevlar-based hydrogel recreates the magic of cartilage by combining a network of tough nanofibers from Kevlar with a material commonly used in hydrogel cartilage replacements, called polyvinyl alcohol.


Three-dimensional nanomagnets for the computer of tomorrow

Wed, 15 Nov 2017 10:36:42 -0500

Researchers have created a nanoscale magnetic circuit capable of moving information along the three dimensions of space. This breakthrough could lead to an important increase in storage and processing capacities of electronic devices over those used today.


Precisely tuning carbon dots

Wed, 15 Nov 2017 10:32:19 -0500

Physicists demonstrate in a new study that the optical and photocatalytic properties of so-called carbon dots can be precisely tuned by controlling the positions of nitrogen atoms introduced into their structure.


Unplugging the cellulose biofuel bottleneck

Wed, 15 Nov 2017 08:38:59 -0500

Molecular-level understanding of cellulose structure reveals why it resists degradation and could lead to cost-effective biofuels.


Simple is beautiful in quantum computing

Wed, 15 Nov 2017 07:36:30 -0500

Defect spins in diamond were controlled with a simpler, geometric method, leading to faster computing.


Stretching to perfection of 2D semiconductors

Wed, 15 Nov 2017 07:32:29 -0500

Scientists use heat and mismatched surfaces to stretch films that can potentially improve device efficiencies.


Combining nanofluidics and machine learning to diagnose cancer

Wed, 15 Nov 2017 03:35:58 -0500

Researchers have developed an approach for exosome isolation, wherein millions of nanofluidic exosome sorting components are incorporated onto a single chip and work in parallel to isolate exosomes from clinical samples.


Powering a piezoelectric nanogenerator with onion skin bio waste

Wed, 15 Nov 2017 03:07:16 -0500

Self-powered nanotechnology based on one type of nanogenerators - piezoelectric nanogenerators - aims at powering nanodevices and nanosystems using the energy harvested from the environment in which these systems are suppose to operate. This offers a completely new approach for harvesting mechanical energy using organic and inorganic materials. Researchers have now reported a novel bio-piezoelectric nanogenerator using naturally abundant, self-aligned cellulose fibrous untreated onion skin as efficient piezoelectric material.

Multifunctional fluorescent nanoparticles for cancer surgery show promise

Wed, 15 Nov 2017 03:01:40 -0500

Glowing cells heat up to eliminate tumor.


Twisting molecule wrings more power from solar cells

Tue, 14 Nov 2017 10:22:24 -0500

Readily rotating molecules let electrons last, resulting in higher solar cell efficiency.


Electron backscatter diffraction yields microstructure insights

Tue, 14 Nov 2017 10:15:58 -0500

Soft magnetic materials are required for electrical motors, and their magnetic properties depend on their composition and structure. This methodology examines both.


An acoustic cage for electrons

Tue, 14 Nov 2017 10:02:50 -0500

International team of scientist develops new concept for trapping and manipulating electrons with sound waves.


Butterfly-inspired photovoltaics enhances light absorption by up to 200 percent

Tue, 14 Nov 2017 07:20:18 -0500

The wings of the butterfly Pachliopta aristolochiae are drilled by nanostructures (nanoholes) that help absorbing light over a wide spectrum far better than smooth surfaces. Researchers have now succeeded in transferring these nanostructures to solar cells.


Essential quantum computer component downsized by two orders of magnitude

Tue, 14 Nov 2017 05:13:01 -0500

Researchers have built compact photon directional devices. Their micrometer-scale, nonmagnetic devices route microwave photons and can shield qubits from harmful noise.


Thin-film transistors get wavy

Tue, 14 Nov 2017 03:58:02 -0500

For enhanced visualization experience, high resolution display technology with fast frame rate to suppress the motion blur at that resolution is essential. In modern display technologies, which are mostly active matrix display system, there are planar thin film transistors (TFTs) which enable both high resolution and fast imaging. Scaled TFTs can provide high resolution. Fast switching can be facilitated by the scaling as well as high mobility channel material. In new work, researchers have shown that both high resolution and fast frame rate display technology is possible, irrespective of the active channel material.

Nano-targeting treatment for prostate cancer

Tue, 14 Nov 2017 03:32:04 -0500

Novel delivery system targets cancerous bone lesions.


Molecular magnetism packs power with 'messenger electron'

Mon, 13 Nov 2017 15:46:59 -0500

The spins of unpaired electrons are the root of permanent magnetism, and after 10 years of design and re-design, researchers have made a molecule that gains magnetic strength through an unusual way of controlling those spins.


X-ray laser reveals how extreme shocks deform a metal's atomic structure

Mon, 13 Nov 2017 13:35:15 -0500

A new way to observe this deformation as it happens can help study a wide range of phenomena, from meteor impacts to high-performance ceramics used in armor, as well as how to protect spacecraft from high-speed dust impacts.