The air around us is getting more and more polluted. No wonder many scientists strive to find a way to purify it. Thanks to the work of an international team led by prof. Juan Carlos Colmenares from the Institute of Physical ...
Materials Science
Jul 7, 2020
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Physicists from Umeå University and Humboldt University in Berlin have solved a mystery that has puzzled scientists for half a century. They show with the help of powerful microscopes that the distance between graphite oxide ...
Nanomaterials
Jun 30, 2014
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The first observation of massive swelling and shrinkage of inorganic layered materials like a biological cell provides insights into the production of two-dimensional crystals.
Nanomaterials
Apr 1, 2013
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It was always believed that water is "squeezed" out of the clay structure under pressure but physicists at Umea University in Sweden together with German colleagues show that this appear to be not always true if excess of ...
Materials Science
Mar 27, 2013
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(Phys.org)—While the demand for ever-smaller electronic devices has spurred the miniaturization of a variety of technologies, one area has lagged behind in this downsizing revolution: energy-storage units, such as batteries ...
Nanomaterials
Feb 20, 2013
11
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(Phys.org)—The structure of graphite oxide surprisingly expands when cooled in methanol or ethanol. Also, graphite oxide selectively absorbs methanol from water-methanol mixtures. Two new studies by physicists at Umeå ...
Nanomaterials
Feb 6, 2013
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1
The discovery of graphene has brought much excitement to the nanotechnology community. Much of this excitement is due to the possibility of deriving graphene-based materials with applications in electronics, energy storage, ...
Nanomaterials
Aug 29, 2012
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Turning graphite oxide (GO) into full-fledged supercapacitors turns out to be simple. But until a laboratory at Rice University figured out how, it was anything but obvious.
Nanomaterials
Aug 1, 2011
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0
(PhysOrg.com) -- New results by scientists at Umeľ University, Sweden, show that not only water but also alcohol solvents can be inserted to expand the structure of graphite oxide under high pressure conditions. The ...
Nanomaterials
Dec 21, 2009
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1
An insulator can now be transformed to conduct electricity by an ordinary camera flash.
Materials Science
Aug 12, 2009
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1
