Friday, June 17, 2011

Nickel in photovoltaic cells reducira cost of solar energy

One of the most promising technologies in search of cheaper solar energy production is being studied by scientists of the University of Toronto (Canada).

And addition, it is expected that this reduction in the cost remains reasonable efficiency photovoltaic cells.




Recently published studies have proven that nickel - a material of low-cost - you can replace the use of gold in certain components of the photovoltaic cells.This change of raw materials would reduce the price cells between 40-80%.

On the application of nanotechnology, has been that the full spectrum of sunlight (visible light and infrared light) in the production of energy can be utilized.This improves performance of solar cells based on components of silicones, since part of the light spectrum is not seized with such technologies.

The team of scientists has reached in initial testing an increase of effectiveness of 5 per cent, and expect reach 10 per cent the commercial launch of this new technology.

The promising results just published were part of an arduous process of research.According to relate some members of the team of research of the University of Toronto, his initial hypothesis that nickel could serve to such processes failed to start.Material nickel blocked the normal flow of current, but then dilucidaron that the incorporation of a nanometer lithium fluoride created a barrier that blocked the original reaction to the expected result.

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