News tagged with silicon wafers

Related topics: solar cells , silicon

Solar cells thinner than wavelengths of light hold huge power potential

(PhysOrg.com) -- Ultra-thin solar cells can absorb sunlight more efficiently than the thicker, more expensive-to-make silicon cells used today, because light behaves differently at scales around a nanometer, ...

Nanotechnology / Nanomaterials

created Sep 27, 2010 | popularity 4.8 / 5 (46) | comments 3 | with audio podcast

Cheaper, better solar cell is full of holes

A new low-cost etching technique developed at the U.S. Department of Energy's National Renewable Energy Laboratory can put a trillion holes in a silicon wafer the size of a compact disc.

Nanotechnology / Nanomaterials

created Sep 03, 2010 | popularity 4.9 / 5 (32) | comments 17 | with audio podcast

Glitter-sized solar photovoltaics produce competitive results

Sandia National Laboratories scientists have developed tiny glitter-sized photovoltaic cells that could revolutionize the way solar energy is collected and used.

Technology / Energy & Green Tech

created Dec 22, 2009 | popularity 4.4 / 5 (33) | comments 0

Next generation devices get boost from graphene research

(PhysOrg.com) -- Researchers in the Electro-Optics Center (EOC) Materials Division at Penn State have produced 100 mm diameter graphene wafers, a key milestone in the development of graphene for next generation ...

Nanotechnology / Nanomaterials

created Jan 22, 2010 | popularity 4.7 / 5 (29) | comments 2 | with audio podcast

Moore's Law Marches on at Intel

Intel President and CEO Paul Otellini today displayed a silicon wafer containing the world's first working chips built on 22nm process technology. The 22nm test circuits include both SRAM memory as well as ...

Technology / Semiconductors

created Sep 22, 2009 | popularity 4.3 / 5 (30) | comments 10

Trapping Sunlight with Silicon Nanowires

(PhysOrg.com) -- Berkeley Lab researchers have found a better way to trap light in photovoltaic cells through the use of vertical arrays of silicon nanowires. This could substantially cut the costs of solar ...

Nanotechnology / Nanomaterials

created Mar 03, 2010 | popularity 4.5 / 5 (28) | comments 2 | with audio podcast

Researchers invent new method for graphene growth

(PhysOrg.com) -- A Cornell research team has invented a simple way to make graphene electrical devices by growing the graphene directly onto a silicon wafer.

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 4.9 / 5 (24) | comments 0

Silicon nanohole solar cells aim to make photovoltaics cost-competitive

(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...

Nanotechnology / Nanomaterials

created May 07, 2010 | popularity 4.5 / 5 (26) | comments 13 | with audio podcast feature

IBM introduces new graphene transistor

(PhysOrg.com) -- In a report published in Nature, Yu-ming Lin and Phaedon Avoris, IBM researchers, have announced the development of a new graphene transistor which is smaller and faster than the one they i ...

Nanotechnology / Nanophysics

created Apr 11, 2011 | popularity 4.9 / 5 (23) | comments 22 | with audio podcast report

Graphene transistor could advance nanodevices

(PhysOrg.com) -- For years, scientists and researchers have been looking into the properties of carbon nanotubes and graphene for use in nanoelectronics. "There is no real mass application of devices based ...

Nanotechnology / Nanophysics

created May 11, 2010 | popularity 4.7 / 5 (22) | comments 5 | with audio podcast feature

Bridgelux demonstrates silicon substrate LED that produces 135 lumens per watt

(PhysOrg.com) -- Silicon substrate LED's are cool, but you won't find them in your TV, or in the headlights of your car. They simply do not throw off enough light to be used in commercial applications. Or, ...

Technology / Semiconductors

created Mar 09, 2011 | popularity 4.8 / 5 (16) | comments 22 | with audio podcast weblog

Scientists create large-area graphene on copper: Faster computers, electronics possible

The creation of large-area graphene using copper may enable the manufacture of new graphene-based devices that meet the scaling requirements of the semiconductor industry, leading to faster computers and electronics, ...

Nanotechnology / Nanophysics

created May 07, 2009 | popularity 4.9 / 5 (14) | comments 1

Silicon strategy shows promise for batteries

A team of Rice University and Lockheed Martin scientists has discovered a way to use simple silicon to radically increase the capacity of lithium-ion batteries.

Nanotechnology / Nanomaterials

created Oct 13, 2010 | popularity 4.8 / 5 (14) | comments 2 | with audio podcast

IBM Scientists Effectively Eliminate Wear at the Nanoscale

(PhysOrg.com) -- IBM scientists have demonstrated a promising and practical method that effectively eliminates the mechanical wear in the nanometer-sharp tips used in scanning probe-based techniques. This discovery can potentially ...

Nanotechnology / Nanophysics

created Sep 07, 2009 | popularity 4.4 / 5 (14) | comments 8

A 'cloaking device' -- it's all done with mirrors

(PhysOrg.com) -- Somewhat the way Harry Potter can cover himself with a cloak and become invisible, Cornell researchers have developed a device that can make it seem that a bump in a carpet -- or, indeed, ...

Physics / Optics & Photonics

created May 13, 2009 | popularity 3.8 / 5 (16) | comments 6