Scientists have been able to pinpoint for the first time what happens during a key manufacturing process of silicon solar cells. The paste used in the manufacturing of the solar cells contains silver powder, glass frit, and an organic binder. Researchers are looking for an alternative because silver is costly and lead oxide in the glass frit can harm the environment.

Read more here:: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/solar_energy/~3/cxwMMBcL0B8/160405161254.htm

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