Posts Tagged ‘nanowires’

Gold nanoparticles relay signals down the line

RICE (US) — Tiny channels of gold nanoparticles may transmit electromagnetic energy that starts as light and propagates via “dark plasmons.” Continue…

Friday, February 10, 2012 12:41 - 0 Comments

Science & Technology - Sep 27, 2011 13:00 - 4 Comments

Cheaper touch screens from copper film

DUKE (US) — A new way to make flexible materials from copper nanowires could drive down the cost of touch screen displays used in mobile devices and tablets, like the iPad. (more…)

Science & Technology - Sep 20, 2011 14:02 - 2 Comments

Fatal attraction: Cells ingest nanotubes

BROWN U. (US) — Carbon nanotubes and other long nanomaterials can spell trouble for cells. The reason: Cells mistake them for spheres and try to engulf them. (more…)

Science & Technology - Sep 8, 2011 10:01 - 2 Comments

‘Wired’ bacteria clean up nuclear waste

MICHIGAN STATE (US) — Researchers have unraveled the mystery of how microbes generate electricity while cleaning up nuclear waste, a finding that could prove beneficial at contaminated sites. (more…)

Science & Technology - Aug 30, 2011 11:06 - 0 Comments

Gold wires get ‘brittle-like’ at nanoscale

RICE (US) — Tiny gold wires often used in high-end electronic applications are known for being flexible and conductive—qualities that don’t necessarily apply at the nanoscale. (more…)

Can’t get any smaller: Battery in a nanowire

RICE U. (US) — Researchers have packed a lithium ion battery into a single nanowire, creating what may be the smallest possible version of such energy storage devices. (more…)

Science & Technology - Mar 31, 2011 15:21 - 0 Comments

Nanowires make fuel cells go and go

YALE (US) — Nanowires coated in an innovative alloy boost the long-term performance of fuel cells by 2.4 times and could be used in laptops, cell phones, and remote sensors. (more…)

Science & Technology - Oct 13, 2010 9:54 - 2 Comments

Microbes grow electrifying whiskers

USC (US) — Some bacteria grow electrical hairs, known as nanowires, that let them link up in big biological circuits. (more…)

Science & Technology - Oct 4, 2010 15:07 - 0 Comments

Nanomesh slows down heat travel

CALTECH (US) — A new type of mesh material made out of silicon—the second most abundant element in Earth’s crust—could lead to more efficient devices that convert heat to electricity and vice versa. (more…)

Science & Technology - Sep 13, 2010 10:31 - 0 Comments

Artificial skin made from nanowires

UC BERKELEY (US)—A pressure-sensitive electronic material made from semiconductor nanowires—dubbed e-skin—could one day give new meaning to the term “thin-skinned.” (more…)

Science & Technology - Sep 6, 2010 22:11 - 1 Comment

Electronic device puts strain on nanowires

GEORGIA TECH (US)—A new class of electronic logic device generates a current-switching electric field by applying mechanical strain to zinc oxide nanowires. (more…)

Science & Technology - Jul 20, 2010 11:31 - 0 Comments

How to drop nanowires on cell targets

JOHNS HOPKINS (US)—Using virtual “tweezers,” researchers have dropped gold nanowires, each about one-two hundredth the size of a cell, on predetermined spots on target cells. (more…)

Science & Technology - Jun 11, 2010 10:42 - 1 Comment

Graphene nanocircuits edging out silicon?

GEORGIA TECH (US)—Scientists have made a breakthrough toward creating nanocircuitry on graphene, widely regarded as the most promising candidate to replace silicon as the building block of transistors. (more…)

Science & Technology - Jun 7, 2010 9:00 - 0 Comments

Bendy copper nanowire akin to ‘foldable iPad’

DUKE (US)—Chemists have perfected a simple way to make inexpensive copper nanowires in quantity that are so small they are transparent, making them ideal for thin-film solar cells, flat-screen TVs, computers, and flexible displays. (more…)

Science & Technology - Feb 15, 2010 12:50 - 0 Comments

Gold nanowire bond stays strong naturally

RICE (US)—Welding uses heat to join pieces of metal in everything from circuits to skyscrapers. But researchers have found a way to beat the heat on the nanoscale. (more…)

Science & Technology - Dec 17, 2009 13:23 - 0 Comments

Scientists film photons with electrons

CALTECH (US)—Recently invented techniques—that allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale matter—have been used to image the evanescent electrical fields produced by the interaction of electrons and photons, and to track changes in atomic-scale structures. (more…)

Science & Technology - Dec 9, 2009 10:43 - 0 Comments

Nanotubes + ink + paper = instant battery

STANFORD (US)—Dip an ordinary piece of paper into ink infused with carbon nanotubes and silver nanowires, and it turns into a battery or supercapacitor. Crumple the piece of paper, and it still works. (more…)

Science & Technology - Sep 2, 2009 14:59 - 0 Comments

Honey, who shrunk the laser light?

A bright point of light from a single plasmon laser emanates from the optical setup used by UC Berkeley researchers. (Courtesy: Xiang Zhang Lab/UC Berkeley)

Science & Technology - Jul 13, 2009 15:28 - 0 Comments

Running nanodevices on ‘repulsive’ light

Tang’s team show how interacting lightwaves can be used to control devices on a silicon chip. (Photo: Hong Tang/Yale University)