News tagged with heterojunctions
Researchers create two-segment nanotubes with distinct semiconducting domains
(PhysOrg.com) -- A group of researchers working in Japan has devised a means of creating dual segmented nanotubes where each segment has separate and distinct semiconducting properties. The team describes ...
Nanotechnology / Nanomaterials
Oct 21, 2011 |
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One-pot synthesis provides simpler, faster route to highly efficient solar cells
Preventing the recombination of free charges produced when light strikes a solar cell is one of the main goal of engineers attempting to extract the maximum energy conversion efficiency from their devices. One way to achieve ...
Nanotechnology / Nanomaterials
Aug 19, 2011 |
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'Quantum coaxial cable': Device proves solar cell potential of high bandgap inorganic nanowire arrays
A report, published in the March 14 edition of the Journal of Materials Chemistry, announced the successful fabrication and testing of a new type solar cell using an inorganic core/shell nanowire structure.
Apr 12, 2011 |
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GaAs self-assembled nanowires could make chips smaller and faster
(PhysOrg.com) -- Researchers at the University of Illinois have found a new way to make transistors smaller and faster. The technique uses self-assembled, self-aligned, and defect-free nanowire channels made ...
Apr 20, 2009 |
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Imec, Polyera, Solvay set 8.3% efficiency record for organic solar cell with inverted device
Imec, Polyera and international chemical group Solvay have achieved a new world-record efficiency of 8.3% for polymer-based single junction organic solar cells in an inverted device stack. These excellent performance results ...
Technology / Energy & Green Tech
Dec 15, 2011 |
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Quantum tunneling results in record transistor performance
(PhysOrg.com) -- Controlling power consumption in mobile devices and large scale data centers is a pressing concern for the computer chip industry. Researchers from Penn State and epitaxial wafer maker IQE ...
Dec 12, 2011 |
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Kaneka, imec develop high-efficiency heterojunction silicon solar cells with copper electroplating
At the 21st International Photovoltaic Science and Engineering Conference, held on November 28 – December 2 in Fukuoka, Japan, Kaneka and imec present silver-free heterojunction silicon solar cells. The results were ...
Nov 28, 2011 |
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Imec demonstrates extremely high-speed heterojunction bipolar transistors
Imec realized a fT/fMAX 245GHz/450GHz SiGe:C heterojunction bipolar transistor (HBT) device, a key enabler for future high-volume millimeter-wave low-power circuits to be used in automotive radar applications. ...
Oct 11, 2011 |
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Perspective article examines conductivity at the LaAlO3 and SrTiO3 (001) interface
(PhysOrg.com) -- Complex oxides have the potential to inject new functionalities into technologies that require semiconductors. The correlated behavior of itinerant electrons in these materials sets complex oxides apart ...
Oct 10, 2011 |
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Innovative organic solar cell architecture sets new performance level
The Belgian research centre imec, together with Plextronics and Solvay, present this week at the European Photovoltaic Solar Energy Conference and Exhibition (PVSEC) in Hamburg an organic polymer-based single ...
Sep 05, 2011 |
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SNS, HFIR experiments help refine thin-film solar cells
(PhysOrg.com) -- Solar cells that convert sunlight into electricity could be a widely used renewable energy source. Getting to that point, though, requires breakthroughs in their cost and their efficiency at turning sunbeams ...
Sep 02, 2011 |
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Researchers observe nanoscale charge transport in bulk heterojunction solar cells
(PhysOrg.com) -- Researchers in the CNST have used photoconductive atomic force microscopy (PCAFM) to characterize the nanoscale structure of organic photovoltaic (OPV) materials, and have performed a careful assessment of ...
Aug 11, 2011 |
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Doctoral candidate publishes on graphene's potential
Since graphene was first isolated in 2004 with the help of Scotch tape, researchers have excitedly turned to the material to discover its potential applications. A single layer of carbon atoms whose applications range from ...
Nanotechnology / Nanomaterials
Nov 18, 2010 |
4.6 / 5 (5) |
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New equation could advance research in solar cell materials
(PhysOrg.com) -- A groundbreaking new equation developed in part by researchers at the University of Michigan could do for organic semiconductors what the Shockley ideal diode equation did for inorganic semiconductors: ...
Oct 20, 2010 |
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List of search results for heterojunctions
