solar cell – The InfoGreenGlobal

MIT energy initiative for an efficient solar cell in the future

Adrian — Wed, 20 May 2015 22:22:36 +0000

Solar energy can fulfil us, as humanity, our long term energy needs. This could offer the cutting of greenhouse gas emissions by developing lower cost technologies and more effective deployment policy as is written in an MIT Energy Initiative (MITEI) study called The Future of Solar Energy. As Mr. Robert Armstrong –The Director of MITEI […]

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Solar cell raises the bar for low-cost designs

Gabriel — Thu, 24 May 2012 18:57:32 +0000

Researchers have tapped a novel material to develop a low-cost, efficient, and environmentally friendly solar cell. In particular, the device is the first to solve the problem of the Grätzel cell, a promising technology with a significant disadvantage: it leaks. The dye-sensitized cell’s electrolyte is made of an organic liquid, which can leak and corrode […]

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‘Green’ steel and solar cells win Australian innovation awards

Gabriel — Sat, 19 May 2012 20:12:11 +0000

Two UNSW-developed technologies have been recognised with Collaborative Innovation Awards at the Cooperative Research Centres Association conference in Adelaide this week. Low-cost Pluto solar cells with record-setting efficiency and ‘green’ steel, which uses recycled rubber car tyres and plastics rather than fossil fuels in the steel-making process, were among five winning technologies. Scientia Professor Veena […]

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European partnership for next generation of highly efficient silicon thin-film solar modules

Gabriel — Sat, 31 Mar 2012 18:53:09 +0000

Eighteen leading industrial and research partners have joined forces in an EU Fast Track project aiming to further refine this technology. In the next three years, it is planned to produce a marketable prototype with an efficiency of twelve percent. The project is coordinated by Forschungszentrum Jülich and funded to the tune of € 9.3 […]

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Solar cell using carbon nanotubes turns windows into generators

Gabriel — Wed, 21 Mar 2012 19:27:19 +0000

Imagine a world where the windows of high-rise office buildings are powerful energy producers, offering its inhabitants much more than some fresh air, light and a view. For the past four years a team of researchers from Flinders University has been working to make this dream a reality – and now the notion of solar-powered […]

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Solar cells could reach 70 percent efficiency

Gabriel — Tue, 28 Feb 2012 18:26:17 +0000

It has long been thought that conversion efficiency of solar cells cannot exceed 34 percent for a single material or less than about 45 percent for the most efficient cells. A thermodynamic limit is responsible for this practical limitation. By clever light management, however, efficiency as high as 70 percent is achievable. Harry Atwater, applied […]

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Nanoshell whispering galleries improve thin solar panels

Gabriel — Tue, 07 Feb 2012 18:16:53 +0000

Engineers at Stanford have created photovoltaic nanoshells that harness a peculiar physical phenomenon to better trap light in the solar materials. The results could dramatically improve the efficiency of thin-film solar cells while reducing their weight and cost. Visitors to Statuary Hall in the U.S. Capitol Building may have experienced a curious acoustic feature that […]

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100-percent-plus in operating solar cells

Gabriel — Mon, 19 Dec 2011 19:54:45 +0000

Researchers from the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) have reported the first solar cell that produces a photocurrent that has an external quantum efficiency greater than 100 percent when photoexcited with photons from the high energy region of the solar spectrum. The external quantum efficiency for photocurrent, usually expressed as a […]

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Artificial leaf working as a solar cell to split water into hydrogen and oxygen

Adrian — Sat, 22 Oct 2011 19:10:49 +0000

Researchers from Massachusetts Institute of Technology led by Professor Daniel Nocera have produced an artificial leaf, a device that can turn the energy of sunlight directly into a chemical fuel which can be stored and used as energy source later. The artificial leaf is a silicon solar cell made by different catalytic materials bounded onto […]

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Nanocone – based solar cell with 80 percent conversion efficiency

Gabriel — Mon, 02 May 2011 19:07:43 +0000

With the creation of a 3-D nanocone-based solar cell platform, a team led by Oak Ridge National Laboratory’s Jun Xu has boosted the light-to-power conversion efficiency of photovoltaics by nearly 80 percent. The technology substantially overcomes the problem of poor transport of charges generated by solar photons. These charges – negative electrons and positive holes […]

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