Perovskite solar cells are the rising star in photovoltaics. They absorb light across almost all visible wavelengths, they have exceptional power conversion efficiencies exceeding 20% in the lab, and they are relatively easy ...
Materials Science
Oct 14, 2015
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Researchers at McGill University have discovered a clean photo-driven pathway for the efficient synthesis of aryl iodides under extremely mild conditions. The finding, published June 18 in Journal of the American Chemical ...
Materials Science
Jul 13, 2015
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Radiation detectors, which monitor high-energy particles such as those produced by nuclear decay and cosmic radiation, are being used increasingly in medical imaging, petroleum well logging, astronomy and national security. ...
General Physics
May 5, 2015
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A University of Texas at Arlington research team says recently identified radiation detection properties of a light-emitting nanostructure built in their lab could open doors for homeland security and medical advances.
Optics & Photonics
Sep 29, 2014
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A compound in pesticides that replaced another banned for its harmful effects, may threaten humans and wildlife by reacting with mercury in natural water to form a toxic chemical, researchers said Tuesday.
Environment
Aug 19, 2014
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A new paper by University of Notre Dame researchers describes their investigations of the fundamental optical properties of a new class of semiconducting materials known as organic-inorganic "hybrid" perovskites.
Optics & Photonics
Aug 12, 2014
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(Phys.org) —Due to their rapid improvements in a short amount of time, perovskite solar cells have become one of today's most promising up-and-coming photovoltaic technologies. Currently, the record efficiency for a perovskite ...
Approximately 30 million pounds of fumigant pesticides are sprayed on valuable California crops each year—strawberries, tomatoes, peppers and the like—in an attempt to control pests. Responsibility for the safety of pesticides ...
Environment
Sep 23, 2013
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(Phys.org) —Here's the question faced by a team of Sandia National Laboratories researchers: How fast will iodine-129 released from spent nuclear fuel move through a deep, clay-based geological repository?
Earth Sciences
Sep 19, 2013
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Japanese scientists have fired cloud seeding equipment to help top up reservoirs serving the 35 million people of greater Tokyo, officials said Friday, amid a sweltering summer dry spell.
Environment
Aug 23, 2013
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