Search results for semiconducting
Carbon nanotube 'ink' may lead to thinner, lighter transistors and solar cells
Jan 08, 2009 |
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(PhysOrg.com) -- Using a simple chemical process, scientists at Cornell and DuPont have invented a method of preparing carbon nanotubes for suspension in a semiconducting "ink," which can then be printed into ...
Carbon nanotube avalanche process nearly doubles current
Feb 09, 2009 |
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(PhysOrg.com) -- By pushing carbon nanotubes close to their breaking point, researchers at the University of Illinois have demonstrated a remarkable increase in the current-carrying capacity of the nanotubes, ...
Researchers demonstrate 'avalanche effect' in solar cells
May 26, 2008 |
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Researchers at TU Delft (Netherlands) and the FOM Foundation for Fundamental Research on Matter have found irrefutable proof that the so-called avalanche effect by electrons occurs in specific, very small ...
Aromaticity may occur in unexpected materials
Feb 20, 2008 |
4.6 / 5 (7) |
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Shiv Khanna, Ph.D., professor of physics, and colleagues from Virginia Commonwealth University and Penn State, were recently highlighted in the Editor’s Choice section of the journal Science, as well as the ...
Semiconducting Nanotubes Are 'Holy Grail' for Electronic Applications
Nanotechnology / Nanomaterials
Jan 21, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- After announcing last April a method for growing exceptionally long, straight, numerous and well-aligned carbon cylinders only a few atoms thick, a Duke University-led team of chemists has ...
New, Unusual Semiconductor is a Switch-Hitter
Jan 30, 2009 |
4.7 / 5 (17) |
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(PhysOrg.com) -- A research group in Germany has discovered a semiconducting material that can switch its semiconducting properties -- turning from one type of semiconductor to another -- via a simple change in temperature. ...
Researchers uncover recipe for controlling carbon nanotubes
Nanotechnology / Nanomaterials
Oct 14, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- Carbon nanotubes hold promise for delivering medicine directly to a tumor; acting as sensors so keen they detect the arrival or departure of a single electron; replacing costly platinum in ...
Liquid-OLED Offers More Light-Emitting Possibilities
Aug 14, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- As organic light-emitting diodes (OLEDs) are poised to go mainstream in the near future, scientists continue to explore new twists on the technology. Recently, researchers have fabricated ...
High Value Semiconducting Carbon Nanotubes
Jul 12, 2004 |
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A simple technique has been developed for producing high value semiconducting carbon nanotubes from samples of single and multi walled carbon nanotubes. The Oxford Invention is a technique for purifying samp ...
Scientists prove graphene's edge structure affects electronic properties
Feb 15, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Graphene, a single-atom-thick sheet of carbon, holds remarkable promise for future nanoelectronics applications. Whether graphene actually cuts it in industry, however, depends upon how graphene ...
High-mobility semiconducting carbon nanotubes
Apr 29, 2004 |
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T Durkop, B M Kim and M S Fuhrer reviewed experiments to determine the resistivity and charge-carrier mobility in semiconducting carbon nanotubes in Journal of Physics: Condens. Matter (vol. 16, 2004, R553-R580) Electron tra ...
Surface-enhanced Raman scattering of Semiconducting Hybrid Nanoparticles
Apr 24, 2009 |
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Surface-enhanced Raman scattering (SERS) spectroscopy has the potential to allow single-molecule detection sensitivity. This capability presents new approaches for studying the biophysical and biomedical properties ...
Stretching exercises shed new light on nanotubes
Apr 12, 2007 |
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Stretching a carbon nanotube composite like taffy, researchers at the National Institute of Standards and Technology and the Rochester Institute of Technology have made some of the first measurements of how ...
New method sorts nanotubes by size
Nanotechnology / Nanomaterials
Jun 23, 2006 |
4.3 / 5 (21) |
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Rice University scientists have developed the first method for sorting semiconducting carbon nanotubes based on their size, a long-awaited development that could form the basis of a nanotube purification system ...
Cheap, sensitive sensors could detect explosives, toxins in water
Sep 24, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- A sensitive new Stanford-developed disposable chip detects low concentrations of the explosive trinitrotoluene (TNT) and a close chemical cousin of the dreaded toxic nerve agent sarin in water ...
