News tagged with luminescence efficiency

Chemists find secret to increasing luminescence efficiency of carbon nanotubes (Animation)

Chemists at the University of Connecticut have found a way to greatly increase the luminescence efficiency of single-walled carbon nanotubes, a discovery that could have significant applications in medical ...

Nanotechnology / Nanomaterials

created Mar 06, 2009 | popularity 5 / 5 (3) | comments 0




Search results for luminescence efficiency


Novel radiation surveillance technology could help thwart nuclear terrorism

Among terrorism scenarios that raise the most concern are attacks involving nuclear devices or materials. For that reason, technology that can effectively detect smuggled radioactive materials is considered ...

Space & Earth / Astronomy

created May 01, 2012 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

X-rays reveal molecular arrangements for better printable electronics

By employing powerful X-rays that can see down to the molecular level of organic materials used in printable electronics, researchers are now able to determine why some materials perform better than others. ...

Physics / Condensed Matter

created Apr 25, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

The solar cell that also shines: Luminescent 'LED-type' design breaks efficiency record

To produce the maximum amount of energy, solar cells are designed to absorb as much light from the Sun as possible. Now researchers from the University of California, Berkeley, have suggested – and demonstrated ...

Nanotechnology / Nanomaterials

created Apr 19, 2012 | popularity 5 / 5 (15) | comments 10 | with audio podcast

New design for nanoparticles that absorb low-energy light, emit high-energy light may find use in biological imaging

The light that a luminescent particle emits is usually less energetic than the light that it absorbs. Some applications require the emitted light to be more energetic, but this so-called upconversion process ...

Nanotechnology / Nanomaterials

created Apr 12, 2012 | popularity not rated yet | comments 1

All-inorganic nanocrystals boost infrared emission

New chemistry has been developed to integrate lead chalcogenide nanocrystals into continuous inorganic matrices of chalcogenide glasses. Inorganic capping, rather than conventional organic capping ligands, ...

Nanotechnology / Nanomaterials

created Mar 14, 2012 | popularity not rated yet | comments 0

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.

Physics / Optics & Photonics

created Jan 23, 2012 | popularity 4.4 / 5 (7) | comments 5 | with audio podcast

Terahertz pulse increases electron density 1,000-fold

Researchers at Kyoto University have announced a breakthrough with broad implications for semiconductor-based devices. The findings, announced in the December 20 issue of the journal Nature Communications, may le ...

Physics / General Physics

created Dec 20, 2011 | popularity 5 / 5 (5) | comments 4

New detectors could provide easy visual identification of toxins or pathogens

Researchers at MIT have developed a new way of revealing the presence of specific chemicals — whether toxins, disease markers, pathogens or explosives. The system visually signals the presence of a target ...

Chemistry / Analytical Chemistry

created Dec 14, 2011 | popularity not rated yet | comments 0 | with audio podcast

Scientists invent long-lasting, near infrared-emitting material

Materials that emit visible light after being exposed to sunlight are commonplace and can be found in everything from emergency signage to glow-in-the-dark stickers. But until now, scientists have had little ...

Nanotechnology / Nanomaterials

created Nov 20, 2011 | popularity 4.5 / 5 (26) | comments 10 | with audio podcast

Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers

Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...

Nanotechnology / Nanomaterials

created Nov 14, 2011 | popularity not rated yet | comments 0


List of search results for luminescence efficiency