(Phys.org) —Many of life's processes rely on light to trigger a chemical change. Photosynthesis, vision, the movement of light-seeking or light-avoiding bacteria, for instance, all exploit photochemistry. Discovering exactly ...
Biochemistry
Mar 15, 2013
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The Photovoltaics-Laboratory (PV-Lab) of EPFL's Insitute of Microengineering (IMT), founded in 1984 by Prof. Arvind Shah and now headed by Prof. Christophe Ballif, is well known as a pioneer in the development of thin-film ...
Energy & Green Tech
Feb 12, 2013
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Why are efficient and affordable solar cells so highly coveted? Volume. The amount of solar energy lighting up Earth's land mass every year is nearly 3,000 times the total amount of annual human energy use. But to compete ...
Nanomaterials
Jan 7, 2013
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Researchers at Ben-Gurion University of the Negev (BGU) have developed a radically new design for a concentrator solar cell that, when irradiated from the side, generates solar conversion efficiencies which rival, and may ...
Energy & Green Tech
Nov 8, 2012
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Hydrogen production by solar water splitting in photoelectrochemical cells (PEC) has long been considered the holy grail of sustainable energy research. Iron oxide is a promising electrode material. An international team ...
Astronomy
Oct 29, 2012
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(Phys.org)—This week, EPFL's Institute of Microengineering presented in Frankfurt "hybrid" photovoltaic cells with an energy conversion efficiency of 21.4 percent, the highest obtained for the type of substrate they used. ...
Energy & Green Tech
Sep 27, 2012
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(Phys.org)—Yet another eco-conscious announcement from Japan for residents of Japan: Sharp has announced a solar panel of a semi transparent nature for mounting on balcony railings or high-rise windows. These are semi-transparent ...
Scientists in Sweden have developed a molecular catalyser with the ability to quickly oxidise water to oxygen. Presented in the journal Nature Chemistry, the results are a significant contribution to the future use of solar ...
Materials Science
Apr 16, 2012
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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. Department of Agriculture ...
Energy & Green Tech
Jan 16, 2012
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Polymers are the material of choice for making thin-film transistors and solar cells. They are also potentially suitable for manufacture using economical, high-throughput techniques, such as roll-to-roll and inkjet printing ...
Polymers
Nov 17, 2011
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