Silicon, the material of high-tech devices from computer chips to solar cells, requires a surface coating before use in these applications. The coating "passivates" the material, tying up loose atomic bonds to prevent oxidation ...
Energy & Green Tech
Feb 13, 2013
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(Phys.org)—Although scientists know that when silicon mixes with water, hydrogen is produced through oxidation, no one expected how quickly silicon nanoparticles might perform this task. As a new study has revealed, 10-nm ...
Researchers from Technische Universität München have developed a new generation of image sensors that are more sensitive to light than the conventional silicon versions, with the added bonus of being simple and cheap to ...
Engineering
Jan 22, 2013
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Graphene and related materials hold promise for the future of electrochemical sensors—detectors that measure the concentration of oxygen, toxic gases, and other substances—but many applications require greater sensitivity ...
Nanophysics
Jan 17, 2013
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(Phys.org)—The ubiquitous clouds of gas and dust found between stars provide the natal material for new stars and planets. These clouds are also dynamic factories that produce many complex molecules thanks to their rich ...
Astronomy
Jan 7, 2013
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A field full of pyramids, but on a micro scale. Each of the pyramids hides a living cell. Thanks to 3D micro- and nano scale fabrication, promising new applications can be found. One of them is applying the micro pyramids ...
Bio & Medicine
Nov 22, 2012
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Japanese researchers have developed a manufacturing technology for highly uniform thin films of organic polymer semiconductors without material losses by applying the semiconductor solution on a highly hydrophobic surface ...
Electronics & Semiconductors
Nov 15, 2012
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Scientists at the University of Birmingham have designed a lens using metamaterials that can function as a convex or a concave lens, according to research published in the journal Nature Communications. By fabricating gold ...
Optics & Photonics
Nov 14, 2012
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(Phys.org)—Inspired by phenomena common to both earthquakes and atomic force microscopy, University of Wisconsin–Madison materials engineers have learned that chemical reactions between two silicon dioxide surfaces cause ...
Condensed Matter
Nov 7, 2012
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(Phys.org)—Researchers at Rice University have refined silicon-based lithium-ion technology by literally crushing their previous work to make a high-capacity, long-lived and low-cost anode material with serious commercial ...
Nanophysics
Nov 1, 2012
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