Researchers at Stockholm's KTH Royal Institute of Technology have found a way to make dye-sensitized solar cells more energy-efficient and longer-lasting.
Polymers
Sep 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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Energy consumption is growing rapidly in the 21st century, with rising energy costs and sustainability issues greatly impacting the quality of human life. Harvesting energy directly from sunlight to generate electricity using ...
Optics & Photonics
Aug 14, 2013
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(Phys.org) —For the first time, a team of researchers at the HZB led by Dr. Roland Mainz and Dr. Christian Kaufmann has managed to observe growth of high-efficiency chalcopyrite thin film solar cells in real time and to ...
Nanomaterials
Jun 27, 2013
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(Phys.org) —The Energy Department's National Renewable Energy Lab has announced a world record of 31.1% conversion efficiency for a two-junction solar cell under one sun of illumination.
Energy & Green Tech
Jun 25, 2013
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Sharp Corporation has achieved the world's highest solar cell conversion efficiency of 44.4%, using a concentrator triple-junction compound solar cell. These solar cells are used in a lens-based concentrator system that focuses ...
Energy & Green Tech
Jun 14, 2013
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(Phys.org) —Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale, researchers at the National Institute ...
Materials Science
May 15, 2013
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A researcher with the National Institute of Advanced Industrial Science and Technology (AIST) has developed a novel light-trapping structure to enhance optical absorption inside thin-film silicon solar cells. A conversion ...
Energy & Green Tech
May 15, 2013
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(Phys.org) —The sun provides the most abundant source of energy on the planet. However, only a tiny fraction of the solar radiation on Earth is converted into useful energy.
Energy & Green Tech
May 9, 2013
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(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding a fluorescent ...
Optics & Photonics
May 9, 2013
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