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New world record efficiency for thin film silicon solar cells

The Photovoltaics-Laboratory (PV-Lab) of EPFL's Insitute of Microengineering (IMT), founded in 1984 by Prof. Arvind Shah and now headed by Prof. Christophe Ballif, is well known as a pioneer in the...

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Peel-and-stick solar cells

It may be possible soon to charge cell phones, change the tint on windows, or power small toys with peel-and-stick versions of solar cells, thanks to a partnership between Stanford University and the...

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Solar panels as inexpensive as paint? It's possible due to new research

(Phys.org) —Most Americans want the U.S. to place more emphasis on developing solar power, recent polls suggest. A major impediment, however, is the cost to manufacture, install and maintain solar...

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Dye-sensitized solar cells rival conventional cell efficiency

Dye-sensitized solar cells (DSSCs) have many advantages over their silicon-based counterparts. They offer transparency, low cost, and high power conversion efficiencies under cloudy and artificial...

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The best of two worlds: Solar hydrogen production breakthrough

Using a simple solar cell and a photo anode made of a metal oxide, HZB and TU Delft scientists have successfully stored nearly five percent of solar energy chemically in the form of hydrogen. This is a...

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Auto lubricant could rev up medical imaging

Engineers at the University of California, Berkeley, have built a device that could speed up medical imaging without breaking the bank. The key ingredient? An engine lubricant called molybdenum...

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Light-induced degradation in amorphous silicon thin film solar cells: New...

Researchers at the Helmholtz Center Berlin (HZB) have taken a leap forward towards a deeper understanding of an undesired effect in thin film solar cells based on amorphous silicon – one that has...

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Transparent, color solar cells fuse energy, beauty

(Phys.org) —Colorful, see-through solar cells invented at the University of Michigan could one day be used to make stained-glass windows, decorations and even shades that turn the sun's energy into...

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Panasonic solar cell achieves world's highest energy conversion efficiency of...

Panasonic Corporation today announced that it has achieved a conversion efficiency of 25.6% (cell area: 143.7 cm²) in its HIT solar cells, a major increase over the previous world record for...

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X-ray detector on plastic delivers medical imaging performance

Researchers from Holst Centre and imec have demonstrated the first ever X-ray detector produced on a plastic substrate that is capable of medical-grade performance. The proof-of-concept device delivers...

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A cool approach to flexible electronics

A nanoparticle ink that can be used for printing electronics without high-temperature annealing presents a possible profitable approach for manufacturing flexible electronics.

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From thin silicate films to the atomic structure of glass

Glass ranks as one of the most important materials of our age. You have only to think about smartphones, or drinking glasses, or look out of the window to realise that glass in its various forms is...

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Polymer mold makes perfect silicon nanostructures

Using molds to shape things is as old as humanity. In the Bronze Age, the copper-tin alloy was melted and cast into weapons in ceramic molds. Today, injection and extrusion molding shape hot liquids...

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Record efficiency with tandem solar cells

On Thursday Alice Furlan receives her PhD for her study in which she experimented with stacking different types of material layers in flexible, thin solar cells. By combining these with a thin layer of...

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Silicon holograms harness the full visible spectrum to bring holographic...

We can't yet send holographic videos to Obi-Wan Kenobi on our droid, but A*STAR researchers have got us a little bit closer by creating holograms from an array of silicon structures that work...

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Seeing silicon crystal transform to amorphous

A team of researchers led by the University of Pittsburgh's Scott X. Mao has observed at atomic scale a previously unknown mechanism of shear-driven crystal to amorphously transform in silicon. The...

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Thermoelectric silicon material reaches record-low thermal conductivity

(Phys.org)—Researchers have theoretically demonstrated the lowest rate of heat transfer, or thermal conductivity, in any silicon-based material developed so far.

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Lithium ion batteries may benefit from porous amorphous silicon anodes

Next-generation anodes for lithium ion batteries will probably no longer be made of graphite. Silicon, which is a related material, can provide a much higher capacity than graphite, but its...

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Solar smart window could offer privacy and light control on demand

Smart windows get darker to filter out the sun's rays on bright days, and turn clear on cloudy days to let more light in. This feature can help control indoor temperatures and offers some privacy...

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New modeling method focuses attention on amorphous material's unusual...

Asegun Henry wants to avert the worst effects of climate change by finding new forms of renewable energy and improving the materials that contribute to energy use.

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