News tagged with zinc sulfide

Mn-doped ZnS is unsuitable to act as a dilute magnetic semiconductor

Dilute magnetic semiconductors (DMS) have recently been a major focus of magnetic semiconductor research. A laboratory from the University of Science and Technology of China explored the feasibility of doping ...

Physics / Condensed Matter

created Feb 20, 2012 | popularity 5 / 5 (1) | comments 0

Scientists propose new hypothesis on the origin of life

The Miller-Urey experiment, conducted by chemists Stanley Miller and Harold Urey in 1953, is the classic experiment on the origin of life. It established that the early Earth atmosphere, as they pictured it, ...

Space & Earth / Earth Sciences

created Sep 04, 2009 | popularity 4.7 / 5 (42) | comments 36




Search results for zinc sulfide


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

Carbonized coffee grounds remove foul smells

For coffee lovers, the first cup of the morning is one of life's best aromas. But did you know that the leftover grounds could eliminate one of the worst smells around – sewer gas?

Chemistry / Materials Science

created Feb 08, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

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

created Jan 20, 2012 | popularity 4 / 5 (4) | comments 0 | with audio podcast

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

created Aug 19, 2011 | popularity not rated yet | comments 0

Tiny tech, big results: Quantum dot solar cells increase solar conversion efficiency

The race to achieve ever-higher photovoltaic conversion ratios is, so to speak, a hot area of research. One line of research has focused on quantum dots – semiconductor nanocrystals under 2-10 nanome ...

Nanotechnology / Nanomaterials

created Aug 02, 2011 | popularity 4.8 / 5 (12) | comments 6 | with audio podcast feature

Cadmium selenide quantum dots degrade in soil, releasing their toxic guts

Quantum dots made from cadmium and selenium degrade in soil, unleashing toxic cadmium and selenium ions into their surroundings, a University at Buffalo study has found.

Nanotechnology / Bio & Medicine

created Jul 18, 2011 | popularity 5 / 5 (5) | comments 4 | with audio podcast

Fool's gold catches eye of solar energy researchers

Iron pyrite - also known as fool's gold - may be worthless to treasure hunters, but it could become a bonanza to the solar industry. The mineral, among the most abundant in the earth's crust, is usually discarded by coal ...

Technology / Energy & Green Tech

created Jan 21, 2011 | popularity 3.9 / 5 (15) | comments 3

Geologist says there's no need to fight over mineral resources

It's easy to be a pessimist in a world full of calamities. But for those worried about the continuing availability of natural resources, data from the ocean makes a good case for optimism, says economic geologist Lawrence ...

Space & Earth / Earth Sciences

created Oct 07, 2010 | popularity 4.7 / 5 (13) | comments 18 | with audio podcast

New alloys key to efficient energy and lighting

A recent advance by Arizona State University researchers in developing nanowires could lead to more efficient photovoltaic cells for generating energy from sunlight, and to better light-emitting diodes (LEDs) that could replace ...

Nanotechnology / Nanomaterials

created Mar 22, 2010 | popularity 4 / 5 (6) | comments 0 | with audio podcast

Defining the Design Rules for Targeted Nanoparticles Used To Image Tumors

One of the challenges of using nanoparticles for imaging tumors during surgery is that there needs to be a tradeoff between the number of nanoparticles that target a tumor and the rapid clearance of any unbound nanoparticles ...

Nanotechnology / Bio & Medicine

created Feb 19, 2010 | popularity not rated yet | comments 0 | with audio podcast


List of search results for zinc sulfide