News tagged with silicon dioxide

Towards more efficient solar cells

A layer of silicon nanocrystals and erbium ions may help solar cells to extract more energy from the ultraviolet (UV, high-energy) part of the solar spectrum. Experimental physicists from the FOM Foundation, ...

Aug 13, 2014
4.7 / 5 (18) 6

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, ...

Jun 05, 2014
5 / 5 (8) 1

Silly Putty material inspires better batteries

Using a material found in Silly Putty and surgical tubing, a group of researchers at the University of California, Riverside Bourns College of Engineering have developed a new way to make lithium-ion batteries ...

May 15, 2014
4.7 / 5 (11) 2

Hot nanoparticles for cancer treatments

Nanoparticles have a great deal of potential in medicine: for diagnostics, as a vehicle for active substances or a tool to kill off tumours using heat. ETH Zurich researchers have now developed particles ...

Mar 24, 2014
4.4 / 5 (5) 0

New material could help with carbon storage

New research led by University of Nebraska-Lincoln chemist Xiao Cheng Zeng has led to the discovery of a new material that could have significant implications for a variety of challenges, from carbon dioxide ...

Feb 27, 2014
4.4 / 5 (5) 2

Brain process takes paper shape

A paper-based device that mimics the electrochemical signalling in the human brain has been created by a group of researchers from China.

Feb 12, 2014
4.4 / 5 (8) 0 | with audio podcast

Waste that is brimming with energy

Together with the Italian GARBO corporation, the University of Greenwich, United Kingdom, and the University of Padua, Italy, as well as the midsized company EAAT from Chemnitz, Germany, the HZDR researchers ...

Nov 21, 2013
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Controlling friction by tuning van der Waals forces

For a car to accelerate there has to be friction between the tire and the surface of the road. The amount of friction generated depends on numerous factors, including the minute intermolecular forces acting between the two ...

Jul 19, 2013
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Antioxidant with a long shelf life

(Phys.org) —Scientists from ETH Zurich have developed a nanomaterial that protects other molecules from oxidation. Unlike many such active substances in the past, the ETH-Zurich researchers' antioxidant ...

Jun 17, 2013
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