News tagged with zinc oxide
Related topics: solar cells , nanowires
New 'metamaterial' practical for optical advances
(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...
May 15, 2012 |
3.9 / 5 (7) |
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Sunscreen ingredient may pose skin cancer risk, researchers find
(Phys.org) -- As vacationers prepare to spend time outdoors this summer, many of them will pack plenty of sunscreen in hopes it will protect their bodies from overexposure, and possibly from skin cancer. But researchers at ...
Nanotechnology / Nanomaterials
May 08, 2012 |
4.5 / 5 (8) |
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Sandia paper on flat-panel displays is one of Applied Physics Letters' 50 greatest hits
A paper by Sandia National Laboratories researchers with implications for early flat panel televisions is one of the 50 most cited papers from the prestigious journal Applied Physics Letters in the last 50 years, ...
May 07, 2012 |
5 / 5 (3) |
1
Defects make catalysts perfect
There is now one less mystery in chemical production plants. For many decades industry has been producing methanol on a large scale from a mixture of carbon dioxide and carbon monoxide, as well as hydrogen. ...
Apr 26, 2012 |
5 / 5 (1) |
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Quantum dot LEDs get brighter, more efficient
(Phys.org) -- While quantum dot-based light-emitting diodes (QLEDs) are not made of organic materials, they share many of the same advantages as organic LEDs (OLEDs). For instance, both QLEDs and OLEDs outshine ...
Nanotechnology / Nanomaterials
Apr 20, 2012 |
4.8 / 5 (14) |
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Low-temperature method 'grows' transparent zinc oxide films for use in displays, solar cells
The displays on flat-screen TVs and smartphones, as well as the panels on solar cells, all require materials that not only conduct electricity but are also highly transparent to visible light. One transparent ...
Apr 12, 2012 |
not rated yet |
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Novel solar reactor may enable clean fuel derived from sunlight
Producing hydrogen from non-fossil fuel sources is a problem that continues to elude many scientists but University of Delaware’s Erik Koepf thinks he may have discovered a solution.
Technology / Energy & Green Tech
Apr 04, 2012 |
4.3 / 5 (18) |
0
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 |
5 / 5 (21) |
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Australians risking skin cancer to avoid nanoparticles
More than three in five Australians are concerned enough about the health implications of nanoparticles in sunscreens to want to know more about their impact. And while the initial scientific information released suggests ...
Nanotechnology / Bio & Medicine
Feb 09, 2012 |
5 / 5 (2) |
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New breakthrough shows promise for affordable plastic solar energy cells
(PhysOrg.com) -- University of Florida researchers report they have achieved a new record in efficiency with a prototype solar cell that could be manufactured using a roll-to-roll process.
Dec 20, 2011 |
4 / 5 (5) |
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Scientists use laser imaging to assess safety of zinc oxide nanoparticles in sunscreen
Ultra-tiny zinc oxide (ZnO) particles with dimensions less than one-ten-millionth of a meter are among the ingredients list of some commercially available sunscreen products, raising concerns about whether ...
Nanotechnology / Bio & Medicine
Nov 30, 2011 |
5 / 5 (1) |
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Study probes potential link between cancer and a common chemical in consumer products
A study led by a group of Nanyang Technological University (NTU) researchers has found that a chemical commonly used in consumer products can potentially cause cancer.
Nanotechnology / Bio & Medicine
Nov 29, 2011 |
2 / 5 (2) |
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Zinc oxide microwires improve the performance of light-emitting diodes
Researchers have used zinc oxide microwires to significantly improve the efficiency at which gallium nitride light-emitting diodes (LED) convert electricity to ultraviolet light. The devices are believed to ...
Oct 31, 2011 |
4.6 / 5 (11) |
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Engineers 'cook' promising new heat-harvesting nanomaterials in microwave oven
(PhysOrg.com) -- Waste heat is a byproduct of nearly all electrical devices and industrial processes, from driving a car to flying an aircraft or operating a power plant. Engineering researchers at Rensselaer ...
Nanotechnology / Nanomaterials
Sep 29, 2011 |
4.8 / 5 (5) |
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A new catalyst for ethanol made from biomass
Researchers in the Pacific Northwest have developed a new catalyst material that could replace chemicals currently derived from petroleum and be the basis for more environmentally friendly products including ...
Nanotechnology / Nanomaterials
Aug 01, 2011 |
5 / 5 (3) |
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