News tagged with chemical conversion

Nanotechnology for solar energy conversion systems

EU researchers extensively characterised the self-organisation of nanotubes and developed novel compositions particularly appropriate to solar energy conversion applications.

Nanotechnology / Nanomaterials

created May 25, 2012 | popularity not rated yet | comments 0

New approach aims to slash cost of solar cells

Solar-powered electricity prices could soon approach those of power from coal or natural gas thanks to collaborative research with solar start-up Ampulse Corporation at the U.S. Department of Energy's (DOE) ...

Technology / Energy & Green Tech

created Mar 06, 2012 | popularity not rated yet | comments 2

Comparing energy conversion of plants and solar cells

Scientists now have a way to more accurately compare how efficiently plants and photovoltaic, or solar, cells convert sunlight into energy, thanks to findings by a research consortium that included a U.S. ...

Technology / Energy & Green Tech

created Jan 16, 2012 | popularity 2.3 / 5 (3) | comments 3 | with audio podcast

Enzymatic synthesis of pyrrolysine, the mysterious 22nd amino acid

With few exceptions, all known proteins are built up from only twenty amino acids. 25 years ago scientists discovered a 21st amino acid, selenocysteine and ten years ago a 22nd, the pyrrolysine. However, how the cell produces ...

Chemistry / Biochemistry

created Nov 18, 2011 | popularity not rated yet | comments 0 | with audio podcast

Revolutionary material dramatically increases explosive force of weapons

A revolutionary material that will replace steel in warhead casings will bring added lethality and increase the likelihood of a hit on an enemy target, the Office of Naval Research (ONR) announced August 10.

Technology / Other

created Aug 10, 2011 | popularity 5 / 5 (8) | comments 26 | with audio podcast

New Si based photovoltaic cells may be the light of the future

(PhysOrg.com) -- A team of scientists at the Japan Advanced Institute of Science and Technology, or JAIST for short, led by Tatsuya Shimoda, a professor at the JAIST School of Materials Science, has created ...

Technology / Energy & Green Tech

created Feb 10, 2011 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast weblog

Scientists generate two energetic electronic states from one photon

(PhysOrg.com) -- Researchers from the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and the University of Colorado, Boulder (UCB), have reported the first designed molecular system ...

Physics / Condensed Matter

created Dec 03, 2010 | popularity 4.9 / 5 (14) | comments 3 | with audio podcast

Researchers discover new mechanism behind cellular energy conversion

Researchers from Mount Sinai School of Medicine have enhanced our understanding of the mechanism by which cells achieve energy conversion, the process in which food is converted into the energy required by cells. This groundbreaking ...

Biology / Cell & Microbiology

created Aug 18, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Unique close-up of the dynamics of photosynthesis

Researchers at the University of Gothenburg, Sweden, have managed, with the help of an advanced X-ray flash, to photograph the movement of atoms during photosynthesis - an achievement that has been recognised ...

Physics / General Physics

created May 10, 2010 | popularity 4.6 / 5 (5) | comments 3

Silicon nanohole solar cells aim to make photovoltaics cost-competitive

(PhysOrg.com) -- Due to the increasing demand for renewable energy sources, photovoltaic solar cells have advanced significantly over the past decade. Since 2002, photovoltaic production worldwide has been ...

Nanotechnology / Nanomaterials

created May 07, 2010 | popularity 4.5 / 5 (26) | comments 13 | with audio podcast feature

Eco-friendly metal coating replacement for chromate

(PhysOrg.com) -- CSIRO has developed a novel coating technology, "Quench Coat", to protect galvanised products from 'white rust' ? the form of zinc oxide that tarnishes freshly galvanised coatings, making ...

Chemistry / Materials Science

created Oct 30, 2009 | popularity 5 / 5 (2) | comments 1

Chemists discover twisted molecules that pick their targets

New York University chemists have discovered how to make molecules with a twist—the molecules fold in to twisted helical shapes that can accelerate selected chemical reactions. The research, reported in the latest issue of ...

Chemistry / Biochemistry

created Aug 10, 2009 | popularity 5 / 5 (3) | comments 0