News tagged with silicon dioxide

Gold 'nano-drills'

Spherical gold particles are able to 'drill' a nano-diameter tunnel in ceramic material when heated. This is an easy and attractive way to equip chips with nanopores for DNA analysis, for example. Nanotechnologists ...

Jan 22, 2015
5 / 5 (3) 0

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 (22) 5

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
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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
4.5 / 5 (6) 2