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Nanotechnology

News : Materials
'Squid Skin' Metamaterial Yields Vivid Color Display

The quest to create artificial "squid skin" — camouflaging metamaterials that can "see" colors and automatically blend into the background — is one step closer to reality, thanks to a color-display technology by Rice University's Laboratory for Nanophotonics (LANP).

The new full-color...

News : Sensors/Data Acquisition
Researchers Build 'Invisible' Materials with Light

Metamaterials have a wide range of potential applications, including sensing and improving military stealth technology. Before cloaking devices can become reality on a larger scale, however, researchers must determine how to make the right materials at the nanoscale. Using light is now shown to...

News : Electronics & Computers
Nano-Pixels Promise Flexible, High-Res Displays

A new discovery will make it possible to create pixels just a few hundred nanometers across. The "nano-pixels" could pave the way for extremely high-resolution and low-energy thin, flexible displays for applications such as 'smart' glasses, synthetic retinas, and foldable screens.

Oxford...

News : Materials
Engineers Develop Ultrastiff, Ultralight Material

Engineers at MIT and Lawrence Livermore National Laboratory (LLNL) have developed a new ultrastiff, ultralight material.

The material is based on the use of microlattices with nanoscale features, combining great stiffness and strength with ultralow density. The actual production of such...

News : Photonics/Optics
Thin Films Self-Assemble in One Minute

Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have devised a technique whereby self-assembling nanoparticle arrays can form a highly ordered thin film over macroscopic distances in one minute.

News : Electronics & Computers
Scientist Creates Three-Atom-Wide Nanowire

Junhao Lin, a Vanderbilt University Ph.D. student and visiting scientist at Oak Ridge National Laboratory (ORNL), has found a way to use a finely focused beam of electrons to create some of the smallest wires ever made. The flexible metallic wires are only three atoms wide: One thousandth the width of...

News : Propulsion
Aircraft Engine Coating Could Triple Service Life and Save Fuel

Researchers at University West in Sweden are using nanoparticles in the heat-insulating surface layer that protects aircraft engines from heat. In tests, this increased the service life of the coating by 300%. The hope is that motors with the new layers will be in production within...

News : Nanotechnology
Nanomaterial Extends Lithium-Sulfur Battery Lifespan

A new nanomaterial could extend the lifespan of lithium-sulfur batteries, and therefore the driving range of electric vehicles.

Pacific Northwest National Laboratory researchers added the powder to the battery's cathode to capture problematic polysulfides that usually cause lithium-sulfur...

News : Energy
Researchers Use Sun to Produce Solar-Energy Materials

In a recent advance in solar energy, researchers have discovered a way to tap the sun not only as a source of power, but also to directly produce solar energy materials.

This breakthrough by chemical engineers at Oregon State University could soon reduce the cost of solar energy, speed...

News : Medical
Wireless Device Senses Chemical Vapors

A research team at the Georgia Tech Research Institute (GTRI) has developed a small electronic sensing device that can alert users wirelessly to the presence of chemical vapors in the atmosphere. The technology, which could be manufactured using familiar aerosol-jet printing techniques, is aimed at myriad...

News : Nanotechnology
Low-Cost Paper Test Detects Cancer in Minutes

A simple, cheap, paper test has been developed that could improve cancer diagnosis rates and help people get treated earlier. The diagnostic, which works much like a pregnancy test, could reveal within minutes, based on a urine sample, whether a person has cancer. The technology relies on...

News : Nanotechnology
Transparent Display System Could Provide Heads-Up Data

Transparent displays have a variety of potential applications — such as the ability to see navigation or dashboard information while looking through the windshield of a car or plane, or to project video onto a window or a pair of eyeglasses. A number of technologies have been developed for...

Briefs : Imaging
New Material Enables Improved Ultrasound

Ultrasound technology could soon be improved to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers in the Department of Biomedical Engineering at Texas A&M University, College Station.

News : Materials
'Nanoflowers' for Energy Storage and Solar Cells

North Carolina State University researchers have created flower-like structures out of germanium sulfide (GeS) – a semiconductor material – that have extremely thin petals with an enormous surface area. The GeS flowers hold promise for next-generation energy storage devices and solar...

Articles : Nanotechnology
An Ionic Twist on Hair Care

Disinfecting can be dirty work. Typical cleaning agents, like chlorine and alcohol, release fumes that don’t go away when applied in the contained environment of a spacecraft. So NASA scientists developed an alternative method to keep surfaces disinfected, using a material whose antimicrobial properties have long...

News : Nanotechnology
Record Efficiency for Next-Generation Solar Cells

Researchers from the University of Toronto (U of T) and King Abdullah University of Science & Technology (KAUST) have made a breakthrough in the development of colloidal quantum dot (CQD) films. The researchers created a solar cell out of inexpensive materials that was certified at a...

News : Energy
Solar Nanowire Template Permits Flexible Energy Absorption

Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. For this reason, they see indium gallium nitride as a valuable future material for photovoltaic systems. Changing the concentration of...

News : Energy
Generating Electricity From Viruses?

Berkeley Lab scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. Their generator is the first to produce electricity by harnessing the piezoelectric properties of a biological material.

News : Green Design & Manufacturing
Technology Awarded for Improving Submarine Air Quality

Creators of a nanotech-based system that captures carbon dioxide from the atmosphere within a submarine while providing a more environmentally friendly removal process have won the Federal Laboratory Consortium Interagency Partnership Award for 2012. The technology — Self Assembled...

News : Energy
Copper-Gold Nanoparticles Efficiently Convert Carbon Dioxide

Copper is one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy, but it is temperamental and easily oxidized. MIT researchers have engineered nanoparticles of copper mixed with gold - which is resistant to corrosion and oxidation -...

Briefs : Medical
Magnetic Responsive Hydrogel Material Delivery System

Interest in the design of new drug delivery systems focuses on releasing the drug at a controlled rate and desired time. Magnetic nanoparticles (MNPs) have shown great potential for use in biomedicine due to their ability to get close to biological entities such as cells, viruses, proteins,...

News : Electronics & Computers
Boosting Nanowires for Better Batteries and Solar Cells

Stanford University engineers have found a novel method for "decorating" nanowires with chains of tiny particles to increase their electrical and catalytic performance. The technique is simpler and faster than earlier methods and could lead to better lithium-ion batteries, more efficient...

News : Energy
Nanotrees Turn Sunshine into Hydrogen Fuel

University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy and harvest it for hydrogen fuel generation. Nanowires, which are made from abundant natural materials like silicon and zinc oxide, offer a cheap way to deliver...

News : Nanotechnology
Measuring Techniques Improve Efficiency & Safety of Nanoparticles

Using high-precision microscopy and X-ray scattering techniques, University of Oregon researchers have gained new insights into the process of applying green chemistry to nanotechnology - resulting in high yields, improved efficiency, and a dramatic reduction of waste and...

News : Energy
Device Uses Temperature Differences to Create Electrical Charge

Power Felt is a new thermoelectric device developed by researchers at the Center for Nanotechnology and Molecular Materials at Wake Forest University. By touching a small piece, body heat is converted into an electrical current.

News : Lighting
Welding Nanowires With Light

Electrically conductive meshes made of metal nanowires promise exceptional electrical throughput, low cost, and easy processing in applications like video displays, LEDs, and thin-film solar cells. However, in processing, these meshes must be heated or pressed to unite the crisscross pattern of nanowires that form...

Briefs : Nanotechnology
Bionanomatrix Coating Boosts Biocompatibility of Implants

Cardiovascular stents and other medical implants increase lifespan and quality of life for millions around the world — yet adverse effects attenuate their full potential. Bionanomatrix coatings for such devices can vastly improve long-term outcomes.

Briefs : Medical
Die Extrusion Technology for Medical Tubing Applications

Although the concept of nanotechnology (controlling matter on an atomic scale) dates back to 1959, it is only now becoming more commercially realized. It has the potential to challenge the way all products are extruded in almost every type of medical tubular or related industrial product...

Articles : Nanotechnology
Nanotechnology Innovations Advance Electronics, Materials, and Manufacturing

While nanotechnology has been around for many years, there continues to be more revolutionary developments using nanoscale breakthroughs. Some of the most promising innovations include new techniques in nano-based manufacturing of both devices and nanoparticles,...

Briefs : Materials
Magnetic Nanoparticles and Devices for Biomedical Uses

A program comprising several collaborative research efforts has been dedicated to advancing the art of utilization of magnetic nanoparticles for biomedical purposes. The research has been performed by three teams, each focusing on different aspects of the art:

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