To make solar cells a competitive alternative to other renewable energy sources, researchers are investigating different alternatives. A step in the right direction is through new processes that change the ...
May 26, 2011
5 / 5 (2)
0
Scientists at Empa, the Swiss Federal Laboratories for Materials Science and Technology, have further boosted the energy conversion efficiency of flexible solar cells made of copper indium gallium (di)selenide ...
May 19, 2011
4.9 / 5 (7)
9
|
A bold new design for thin film solar cells that requires significantly less silicon – and may boost their efficiency – is the result of an industry/academia collaboration between Oerlikon Solar ...
May 06, 2011
5 / 5 (4)
0
|
(PhysOrg.com) -- Semiconductor nanowires are essential materials in the development of cheaper and more efficient solar cells, as well as batteries with higher storage capacity. Moreover, they are important ...
Mar 23, 2011
5 / 5 (1)
2
|
Delft University of Technology in the Netherlands has demonstrated that the speed at which inexpensive solar cells are produced can be increased by a factor of ten – and that this can be achieved without any detriment ...
Mar 17, 2011
5 / 5 (2)
0
The importance of silicon for almost every element in modern-day electronic devices and computers is due largely to its crystalline atomic structure. Crystalline silicon, however, is much more expensive to ...
Mar 04, 2011
4.9 / 5 (7)
1
In the solar energy field researchers are using the latest developments in nanotechnology to work on very small solar cells. Researchers are testing different ways to make them more efficient. Flexible sheets ...
Feb 24, 2011
3 / 5 (1)
0
Microwires made of silicon -- tiny wires with a thickness comparable to a human hair — have a wide range of possible uses, including the production of solar cells that can harvest much more sunlight for ...
Feb 04, 2011
4.8 / 5 (5)
8
|
An interdisciplinary team of UC Davis and UC Santa Cruz researchers is taking a novel approach to solar power, one that promises to lead to a technological breakthrough. By using nanoparticles of germanium, ...
Feb 03, 2011
4.4 / 5 (5)
7
A promising approach for making solar cells that are inexpensive, lightweight and flexible is to use organic (that is, carbon-containing) compounds instead of expensive, highly purified silicon. But one stubborn ...
Jan 06, 2011
4.9 / 5 (16)
4
|
Microchips that 'harvest' the energy they need from their own surroundings, without depending on batteries or mains electricity. That will be possible now that Dutch researchers from the University of Twente's ...
Dec 14, 2010
5 / 5 (1)
0
Conventional solar cells made from crystalline silicon are difficult and energy-intensive to manufacture. Organic solar cells are cheaper, but have always produced less electricity. Why this is so has never been fully explained. ...
Oct 26, 2010
4.3 / 5 (7)
0
|
(PhysOrg.com) -- Ultra-thin solar cells can absorb sunlight more efficiently than the thicker, more expensive-to-make silicon cells used today, because light behaves differently at scales around a nanometer, ...
Sep 27, 2010
4.8 / 5 (47)
3
|
At the 25th European Photovoltaic Solar Energy Conference (Valencia, Spain), Imec presents several large-area silicon solar cells with a conversion efficiency above 19%.
Sep 06, 2010
5 / 5 (6)
4
A new low-cost etching technique developed at the U.S. Department of Energy's National Renewable Energy Laboratory can put a trillion holes in a silicon wafer the size of a compact disc.
Sep 03, 2010
4.9 / 5 (32)
17
|
