News tagged with recombination lifetime
Scientists break light modulation speed record -- twice
Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.
Jun 15, 2009 |
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Search results for recombination lifetime
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 |
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A glow in the Martian night throws light on atmospheric circulation
(PhysOrg.com) -- A faint, infrared glow above the winter poles of Mars is giving new insights into seasonal changes in the planet's atmospheric circulation. The tell-tale night emission was first detected ...
Space & Earth / Space Exploration
Apr 04, 2012 |
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Physicists find patterns in new state of matter
(PhysOrg.com) -- Physicists at the University of California, San Diego have discovered patterns which underlie the properties of a new state of matter.
Mar 29, 2012 |
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In solar cells, tweaking the tiniest of parts yields big jump in efficiency
(PhysOrg.com) -- By tweaking the smallest of parts, a trio of University at Buffalo engineers is hoping to dramatically increase the amount of sunlight that solar cells convert into electricity.
Jan 20, 2012 |
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Light control technique could lead to tunable lighting and displays
(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability ...
Jan 11, 2012 |
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Highly efficient organic light-emitting diodes
(PhysOrg.com) -- Organic light-emitting diodes (OLEDs) are seen as a promising replacement for the liquid-crystal displays (LCDs) used in many flat-screen televisions because they are cheaper to mass-produce. ...
Aug 09, 2011 |
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With a simple coating, nanowires show a dramatic increase in efficiency and sensitivity
By applying a coating to individual silicon nanowires, researchers at Harvard and Berkeley have significantly improved the materials' efficiency and sensitivity.
Jul 06, 2011 |
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The 'Eye of Sauron'
(PhysOrg.com) -- Spiral galaxy NGC 4151 is dubbed the "Eye of Sauron" for its similarity to the malevolent eye in "The Lord of the Rings."
Mar 11, 2011 |
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Mimicking photosynthesis path to solar-derived hydrogen fuel
Inexpensive hydrogen for automotive or jet fuel may be possible by mimicking photosynthesis, according to a Penn State materials chemist, but a number of problems need to be solved first.
Feb 19, 2011 |
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Blood stem cell, leukemia link illuminated in UCSF-led study
A UCSF-led team has discovered at least one key reason why blood stem cells are susceptible to developing the genetic mutations that can lead to adult leukemia. Their finding also may explain, they say, why some other age-related ...
Medicine & Health / Diseases, Conditions, Syndromes
Aug 16, 2010 |
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List of search results for recombination lifetime
