Hot Electrons Could Double Solar Cell Power Efficiency

Nanotechnology / Nanophysics

Dec 18, 2009 | 4.2 / 5 (12) | 2

Scientists have experimentally verified a theory suggesting that hot electrons could double the output of solar cells. The researchers, from Boston College, have built solar cells that successfully use hot ...

Rare earth metal enhances phosphate glass

Physics / Condensed Matter

Dec 15, 2009 | 4.5 / 5 (2) | 0

(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...

How to Find Signs of Life on Mars

Space & Earth / Space Exploration

Dec 18, 2009 | 3.7 / 5 (3) | 2

By studying the signatures of fossil life on Earth, geobiologists can get a clue of what to look for when hunting for extraterrestrial life on Mars.

Graphite oxide at high pressure opens a road to new amazing nano-materials

Nanotechnology / Nanomaterials

9 hours ago | 5 / 5 (2) | 0

(PhysOrg.com) -- New results by scientists at Umeľ University, Sweden, show that not only water but also alcohol solvents can be inserted to expand the structure of graphite oxide under high pressure conditions. The ...

Switchable Nanostructures Made with DNA

Nanotechnology / Bio & Medicine

15 hours ago | 4.6 / 5 (5) | 0

(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have found a new way to use a synthetic form of DNA to control the assembly of nanoparticles — this time resulting ...