(Phys.org) —The construction of the photovoltaic power industry since 2000 has required an enormous amount of energy, mostly from fossil fuels. The good news is that the clean electricity from all the installed solar panels ...
Energy & Green Tech
Apr 3, 2013
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(Phys.org) —A carbon price of between $50 and $100 per tonne of carbon dioxide would make coal-fired and gas-fired power less economical than renewable electricity, a UNSW study shows.
Energy & Green Tech
Apr 3, 2013
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Using exotic particles called quantum dots as the basis for a photovoltaic cell is not a new idea, but attempts to make such devices have not yet achieved sufficiently high efficiency in converting sunlight to power. A new ...
Nanophysics
Mar 25, 2013
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(Phys.org) —Scientists working at the Stanford Institute for Materials and Energy Sciences (SIMES) have improved an innovative solar-energy device to be about 100 times more efficient than its previous design in converting ...
Energy & Green Tech
Mar 20, 2013
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Several mathematical relationships between scale and cost of technological production have been proposed—Moore's Law, and Wright's Law before that—but each suggests a slightly different economy of scale.
Energy & Green Tech
Mar 6, 2013
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(Phys.org)—Can windows, tablets and e readers turn light into power? Can a surface coated with solar cells take sunlight and the glow of bulbs and change them into energy? As reported in Technology Review, expert scientists ...
Getting the grid prepared for the increased use of renewable energy sources is the goal of the Helmholtz Energy Alliance "Technologies for the Future Power Grid" coordinated by KIT. Helmholtz researchers are developing solutions ...
Energy & Green Tech
Jan 18, 2013
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In a remarkable feat, scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have developed thin film solar cells on flexible polymer foils with a new record efficiency of 20.4 percent for ...
Energy & Green Tech
Jan 17, 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
3
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As a World's first, no less than 300m2 of dye sensitized solar cells will be integrated to the facade of the EPFL's Convention Center. This prototype will constitute the first application of such technology to a public building. ...
Energy & Green Tech
Dec 12, 2012
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