Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light pollution that washes ...
Optics & Photonics
Apr 24, 2013
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OLEDs – thin, light-emitting surfaces – are regarded as the light sources of the future. White OLEDs consist of stacked, ultra-thin layers, each emitting its own light color, all together resulting in white light. Up ...
Engineering
Apr 15, 2013
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Scenarios for the optimal employment of light-emitting diodes for lighting purposes are being investigated at the TU Darmstadt's Institute for Lighting Technology. The focus is on human perceptions, wellbeing, and health.
Engineering
Mar 27, 2013
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Using exotic particles called quantum dots as the basis for a photovoltaic cell is not a new idea, but attempts to make such devices have not yet achieved sufficiently high efficiency in converting sunlight to power. A new ...
Nanophysics
Mar 25, 2013
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In a new twist on the state's mining history, a group of Idaho scientists will soon be crushing consumer electronics rather than rocks in a quest to recover precious materials. DOE's Ames Laboratory will lead the new Critical ...
Energy & Green Tech
Mar 5, 2013
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Imec, together with its project partners, have cooperated within an EU 7th framework program (FP7) project PRIMA to improve both the efficiency and cost of solar cells. In particular, they have worked on a light trapping ...
Nanomaterials
Feb 25, 2013
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The Centre for Carbon Measurement at the National Physical Laboratory (NPL) will deliver eight megatonnes of carbon emissions reductions and over half a billion pounds in economic benefit over the next decade, according to ...
Environment
Feb 21, 2013
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(Phys.org)—Designing a building holistically, and making sure that its components and systems work together according to design intent, can pay big dividends in energy savings and occupant satisfaction, according to a study ...
Energy & Green Tech
Feb 6, 2013
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(Phys.org)—It is not enough to be energy efficient; LED lighting also must be consistently high quality and reliable to win over consumers.
Energy & Green Tech
Feb 5, 2013
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Light emitting diodes, more commonly called LEDs, are known for their energy efficiency and durability, but the bluish, cold light of current white LEDs has precluded their widespread use for indoor lighting.
Engineering
Jan 18, 2013
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