Carbon-based Solar Cells
Solar panels need silicon for absorption of light. Silicon doesn’t come cheap.This cost-factor is preventing people from using solar energy on a large scale. Scientists utilize another substance i.e. ruthenium for solar cells. Rutheniumcan is cheaper than silicon but ruthenium is a rare metal on Earth. It is as rare as platinum. Naturally it [...]Posted in: Environment, PhotoVoltaics, Solar Power
April 19th, 2010 | Category: Environment, External Articles, PhotoVoltaics, Solar Power
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