IBM creates history by developing high efficiency nanotechnology based solar cells using cheap readily available materials
12 February 2010IBM has recently announced that it has developed a solar cell that is based on abundant materials that are readily available on earth and therefore it will be cheaper and at the same time the new solar cell will be more efficient than the conventional cells. The material used for converting light into electricity is made up off copper, tin, zinc, sulfur and selenium using a brand new nanotechnology based technique.
In today’s scenario when there are limited sources of non-renewable energy, the solar energy might play a crucial role, however at present the cost of solar cells is very high and therefore the use of solar cell is limited. Presently the solar energy contributes less than 0.1% of total energy consumption and researchers are working throughout the globe to reduce the cost of the solar cells so that the overall solar energy production and consumption increases.
The finding of the research by IBM scientists has recently been published in Advanced Materials where the researchers elaborated the thin-film photovoltaic technology in detail. The technology uses nanoparticles and by avoiding the highly expensive vacuum based techniques, researchers were able to reduce the input cost of the technique significantly. Further the state of the art production technique will further reduce the fabrication cost of the cell giving overall cost competitiveness to the new technique.
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