News tagged with zinc oxide nanowires
Nanotrees harvest the sun's energy to turn water into hydrogen fuel
(PhysOrg.com) -- University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy without using fossil fuels and harvest it for ...
Mar 07, 2012 |
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Resistive switches based on piezoelectric nanowires allow electrical signals to be produced from mechanical actions
(PhysOrg.com) -- Taking advantage of the unique properties of zinc oxide nanowires, researchers have demonstrated a new type of piezoelectric resistive switching device in which the write-read access of memory ...
Jul 26, 2011 |
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New semiconductor nanowire laser technology could kill viruses, improve DVDs
A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...
Jul 05, 2011 |
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Nanogenerators grow strong enough to power small conventional electronics (w/ Video)
Blinking numbers on a liquid-crystal display (LCD) often indicate that a device's clock needs resetting. But in the laboratory of Zhong Lin Wang at Georgia Tech, the blinking number on a small LCD signals ...
Nov 08, 2010 |
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Growing nanowires horizontally yields new benefit: 'nano-LEDs'
While refining their novel method for making nanoscale wires, chemists at the National Institute of Standards and Technology discovered an unexpected bonus -- a new way to create nanowires that produce light ...
Sep 29, 2010 |
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Crystal defect shown to be key to making hollow nanotubes
(PhysOrg.com) -- Scientists have no problem making a menagerie of nanometer-sized objects -- wires, tubes, belts, and even tree-like structures. What they sometimes have been unable to do is explain precisely ...
Nanotechnology / Nanomaterials
Apr 22, 2010 |
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Researchers use improved nanogenerators to power sensors based on zinc oxide nanowires
By combining a new generation of piezoelectric nanogenerators with two types of nanowire sensors, researchers have created what are believed to be the first self-powered nanometer-scale sensing devices that ...
Mar 28, 2010 |
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New nanogenerator may charge iPods and cell phones with a wave of the hand
Imagine if all you had to do to charge your iPod or your BlackBerry was to wave your hand, or stretch your arm, or take a walk? You could say goodbye to batteries and never have to plug those devices into ...
Mar 26, 2009 |
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T-Shirt replaces battery: Fiber-based electrochemical micro-supercapacitor
Will we soon be plugging our mobile phone into our t-shirt instead of putting in a battery? This vision is not totally out of reach: the first steps in this direction have already been taken.
Nanotechnology / Nanomaterials
Jan 18, 2011 |
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Piezotronics: Researchers create new class of piezoelectric logic devices using zinc oxide nanowires
Researchers at the Georgia Institute of Technology have developed a new class of electronic logic device in which current is switched by an electric field generated by the application of mechanical strain ...
Sep 02, 2010 |
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Scientists grow 'sea urchin'-shaped structures
Swiss researchers have succeeded in growing sea-urchin shaped nanostructures from minute balls of polystyrene beads using a simple electrochemical process. The spines of the sea urchin consist of zinc oxide ...
Nanotechnology / Nanomaterials
Jul 29, 2010 |
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New material could efficiently power tiny generators
(PhysOrg.com) -- To power a very small device like a pacemaker or a transistor, you need an even smaller generator. The components that operate the generator are smaller yet, and the efficiency of those foundational components ...
Oct 22, 2009 |
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Harvesting energy
Imagine a cell phone battery that charges with every step you take or a spacesuit that uses astronauts' expended energy to run the suit's electronics. A team of college students conducting NASA research on ...
Apr 01, 2011 |
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