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Oxford Spinoff Develops New Solar Technology

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OXFORD, England, Jan. 18, 2011 — An Oxford University spinoff has developed new solar cell technology that is manufactured from cheap, abundant, nontoxic and noncorrosive materials and can be scaled to any volume.

Harnessing the sun’s energy, the solar cells are printed onto glass or other surfaces, are available in a range of colors and could be ideal for new buildings where solar cells are incorporated into glazing panels and walls.

Oxford Photovoltaics (Oxford PV), formed with the help of Isis Innovation, Oxford University’s technology transfer company, has combined earlier research on artificial photosynthetic electrochemical solar cells and semiconducting plastics to create manufacturable solid-state dye sensitized solar cells.

The device is a form of thin film solar technology, a relatively new development in solar energy generation.

Leading thin film technologies are currently hampered by the scarcity of minerals used. Other dye-sensitized solar cells are being held back by the volatile nature of liquid electrolytes.

Oxford PV’s technology replaces the liquid electrolyte with a solid organic semiconductor, enabling entire solar modules to be screen printed onto glass or other surfaces.

Green is the most efficient "semi-transparent" color for producing electricity, although red and purple also work well.

The materials used are plentiful, environmentally benign and very low cost.

Oxford PV predicts that manufacturing costs of its product will be around 50 percent less than the current lowest-cost thin film technology and expects its new mechanism will eventually match the unsubsidized cost of electricity generated from fossil fuels.

The technology could revolutionize the incorporation of photovoltaic materials into windows and walls and other parts of buildings.

“This technology is a breakthrough in this area. We’re working closely with major companies in the sector to demonstrate that we can achieve their expectations on economic and product lifetime criteria,” said CEO Kevin Arthur.

“One of the great advantages is that we can process it over large areas very easily,” said Dr. Henry Snaith of Oxford University’s Department of Physics and who developed the technology. “You don’t have to worry about extensive sealing and encapsulation, which is an issue for the electrolyte dye cell.”

For more information, visit:
Jan 2011
Dr. Henry SnaithenergyEnglandEuropeglazing panelsgreen photonicsindustrialIsis InnovationKevin Arthurliquid electrolytesOxford PhotovoltaicsOxford Universityphotosynthetic electrochemical solar cellsphotovoltaicsResearch & Technologysemiconducting plasticssolar cellsSolar Technologysolid-state dye sensitized solar cellsthin film solar technology

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