News tagged with quantum dots
Flipping a light switch in the cell: Quantum dots used for targeted neural activation
By harnessing quantum dots—tiny light-emitting semiconductor particles a few billionths of a meter across—researchers at the University of Washington (UW) have developed a new and vastly more targeted ...
Feb 08, 2012 |
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Bright lights of purity: Researchers discover why pure quantum dots and nanorods shine brighter
To the lengthy list of serendipitous discoveries – gravity, penicillin, the New World – add this: Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered why a promising ...
Nanotechnology / Nanomaterials
Jan 30, 2012 |
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Researchers boost solar concentrator efficiency
A team of researchers at the University of California, Merced, has redesigned luminescent solar concentrators to be more efficient at sending sunlight to solar cells.
Jan 23, 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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Biocompatible quantum dot images tumors in live animals
Quantum dots, small semiconductor nanoparticles that fluoresce brightly with sharply defined colors, have tremendous promise as biomedical imaging agents except for one problem—most are made from potentially hazardous ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Graphene quantum dots: The next big small thing
A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.
Jan 12, 2012 |
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Tiny quantum dots hold promise for future source of lighting
(PhysOrg.com) -- UT Dallas researchers are making strides in understanding the workings of quantum dots – nanosized particles that have immense potential in several industry applications.
Nanotechnology / Nanomaterials
Jan 12, 2012 |
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UCF nanotechnology may speed up drug testing
Testing the effectiveness of new pharmaceuticals may get faster thanks to a new technique incorporating quantum dots developed at the University of Central Florida.
Nanotechnology / Bio & Medicine
Dec 19, 2011 |
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Researchers prepare cheap quantum dot solar paint
(PhysOrg.com) -- It typically takes a day or two to prepare quantum dot solar cells in the conventional multifilm architecture. Now a team of researchers is reducing the preparation time of quantum dot solar ...
Dec 16, 2011 |
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Here come the quantum dot TVs and wallpaper
(PhysOrg.com) -- A British firm's quantum dot technology will be used for flat screen TVs and flexible screens, according to the company’s chief executive.
Technology / Hi Tech & Innovation
Dec 13, 2011 |
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Chemists become molecular sculptors, synthesizing tiny, molecular traps
(PhysOrg.com) -- Using clever but elegant design, University at Buffalo chemists have synthesized tiny, molecular cages that can be used to capture and purify nanomaterials.
Nanotechnology / Nanomaterials
Dec 05, 2011 |
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Artificial molecules: Researchers explore novel methods for assembly of quantum dots
(PhysOrg.com) -- Matthew Doty, assistant professor in the University of Delaware Department of Materials Science and Engineering, is co-author of two papers exploring novel methods for assembling quantum dots ...
Nov 23, 2011 |
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In new quantum-dot LED design, researchers turn troublesome molecules to their advantage
By nestling quantum dots in an insulating egg-crate structure, researchers at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated a robust new architecture for quantum-dot light-emitting devices ...
Nov 15, 2011 |
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Researchers unravel the mystery of quantum dot blinking
(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhanc ...
Nov 09, 2011 |
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Researchers efficiently extract photons from single semiconductor quantum dots directly into an optical fiber
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology have led the development of a new technique for efficiently out-coupling photons from epitaxially-grown quantum dots directly ...
Nov 03, 2011 |
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Quantum dot
A quantum dot is a semiconductor whose excitons are confined in all three spatial dimensions. As a result, they have properties that are between those of bulk semiconductors and those of discrete molecules. They were discovered by Louis E. Brus, who was then at Bell Labs. The term "Quantum Dot" was coined by Mark Reed.
Researchers have studied quantum dots in transistors, solar cells, LEDs, and diode lasers. They have also investigated quantum dots as agents for medical imaging and hope to use them as qubits.
For more information about Quantum dot, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
