News tagged with nanocrystals

Related topics: solar cells , quantum dots

Scientists demonstrate more efficient way to connect nanoparticles for single-electron devices

(PhysOrg.com) -- By connecting single nano-objects together, scientists can fabricate tiny solid-state devices through which a precisely controlled single-electron current can flow. In the past several years, ...

Nanotechnology / Nanophysics

created Oct 28, 2010 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast feature

New Study of Meteorite Provides More Evidence for Ancient Life on Mars

(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...

Space & Earth / Space Exploration

created Dec 17, 2009 | popularity 4.8 / 5 (47) | comments 20 feature

Quantum dots brighten the future of lighting

(Phys.org) -- With the age of the incandescent light bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white ...

Nanotechnology / Nanomaterials

created May 08, 2012 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

Nanocrystal-coated fibers might reduce wasted energy

(Phys.org) -- Researchers are developing a technique that uses nanotechnology to harvest energy from hot pipes or engine components to potentially recover energy wasted in factories, power plants and cars.

Nanotechnology / Nanomaterials

created Apr 17, 2012 | popularity 4.4 / 5 (9) | comments 1 | with audio podcast

Self-assembling nanorods: Researchers obtain 1-, 2- and 3-D nanorod arrays and networks

(PhysOrg.com) -- A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures ...

Nanotechnology / Nanomaterials

created Feb 01, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent

The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.

Physics / Condensed Matter

created Dec 15, 2011 | popularity 4.8 / 5 (23) | comments 12 | with audio podcast

On the road to plasmonics with silver polyhedral nanocrystals

The question of how many polyhedral nanocrystals of silver can be packed into millimeter-sized supercrystals may not be burning on many lips but the answer holds importance for one of today's hottest new high-tech ...

Nanotechnology / Nanomaterials

created Nov 22, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Researchers observe structural transformations in single nanocrystals

While a movie about giant robots that undergo structural transformations is breaking box office records this summer, a scientific study about structural transformations within single nanocrystals is breaking ...

Nanotechnology / Nanophysics

created Jul 08, 2011 | popularity 4.6 / 5 (7) | comments 3 | with audio podcast

Breaking Kasha's rule: Scientists find unique luminescence in tetrapod nanocrystals

Observation of a scientific rule being broken can sometimes lead to new knowledge and important applications. Such would seem to be the case when scientists with the U.S. Department of Energy (DOE)'s Lawrence ...

Nanotechnology / Nanophysics

created Jul 01, 2011 | popularity 5 / 5 (15) | comments 0 | with audio podcast

New inorganic semiconductor layers hold promise for solar energy

(PhysOrg.com) -- A team of researchers from the University of Chicago and the U.S. Department of Energy's (DOE) Argonne National Laboratory has demonstrated a method that could produce cheaper semiconductor ...

Nanotechnology / Nanomaterials

created Jun 02, 2011 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Tandem catalysis in nanocrystal interfaces could be boon to green energy

In a development that holds intriguing possibilities for the future of industrial catalysis, as well as for such promising clean green energy technologies as artificial photosynthesis, researchers with the ...

Chemistry / Materials Science

created Apr 11, 2011 | popularity 4.7 / 5 (3) | comments 1 | with audio podcast

Researchers create iridescent glass that can reflect UV or infrared light

(PhysOrg.com) -- Using nanocrystals of cellulose, the main component of pulp and paper, chemistry researchers at the University of British Columbia have created glass films that have applications for energy ...

Nanotechnology / Nanomaterials

created Nov 17, 2010 | popularity 4.7 / 5 (22) | comments 0 | with audio podcast

Growing nanowires horizontally yields new benefit: 'nano-LEDs'

While refining their novel method for making nanoscale wires, chemists at the National Institute of Standards and Technology discovered an unexpected bonus -- a new way to create nanowires that produce light ...

Nanotechnology / Nanophysics

created Sep 29, 2010 | popularity 4.8 / 5 (6) | comments 1 | with audio podcast

Highly efficient solar cells could result from quantum dot research

Conventional solar cell efficiency could be increased from the current limit of 30 percent to more than 60 percent, suggests new research on semiconductor nanocrystals, or quantum dots, led by chemist Xiaoyang ...

Nanotechnology / Nanomaterials

created Jun 17, 2010 | popularity 4.5 / 5 (30) | comments 4 | with audio podcast

Building better bone replacements with bacteria

Bacteria that manufacture hydroxyapatite (HA) could be used to make stronger, more durable bone implants. Professor Lynne Macaskie from the University of Birmingham this week (7-10 September) presented work to the Society ...

Biology / Cell & Microbiology

created Sep 07, 2009 | popularity 4.3 / 5 (3) | comments 0