The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that reach Earth's surface ...
Nanomaterials
Sep 29, 2014
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A team of astronomers from Leiden University, The Netherlands, measured the chemical fingerprint of the smallest aromatic molecule. According to astrochemical models this molecule should be highly abundant in the universe, ...
Astronomy
Aug 13, 2014
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(Phys.org) —As the world's dependence on fossil fuels causes ever-increasing problems, researchers are investigating solar fuels as an alternative energy source. To make solar fuels, sunlight is converted into hydrogen ...
(Phys.org) —A research team led by FOM workgroup leader Prof. Dr. Wim Ubachs and Dr. Rick Bethlem has once again demonstrated that the mass ratio between electrons and protons has remained the same over the past 7.5 billion ...
Astronomy
Dec 4, 2013
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Two crucial tasks exist for realizing high-efficiency polymer solar cells: increasing the range of the spectral absorption of light and efficiently harvesting photo-generated excitons. In this work, Förster resonance energy ...
Nanophysics
Aug 20, 2013
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An international team led by the University of New South Wales has studied a distant star where gravity is more than 30,000 times greater than on Earth to test its controversial theory that one of the constants of Nature ...
General Physics
Jul 4, 2013
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(Phys.org) —It is widely known that the optical properties of certain materials can be modified by using lasers to control the quantum states of their optical electrons. Lasers that can generate ultra-short pulses in the ...
(Phys.org) —A University of Illinois research group brought together aspects of condensed matter physics, semiconductor device engineering, and photochemistry to develop a new form of high-performance solar photocatalyst ...
Materials Science
Apr 23, 2013
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(Phys.org) —A unique atomic-scale engineering technique for turning low-efficiency photocatalytic "white" nanoparticles of titanium dioxide into high-efficiency "black" nanoparticles could be the key to clean energy technologies ...
Nanomaterials
Apr 11, 2013
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(Phys.org) —A team of physicists from Russia's Institute of Applied Physics, Russian Academy of Sciences, has built an exceptionally sensitive spectrometer that they claim, is the first to measure water dimmers in atmospheric ...
