Magnesium chloride a safer alternative for solar cells, study suggests

06/26/2014 | Nature (free content)

Magnesium chloride, a common chemical found in bath salt and tofu, can be used as an alternative to a toxic, more costly chemical to make solar cells, according to a study published in Nature. "We're getting cells as good as anything we've ever made with cadmium chloride," said University of Liverpool physicist Jon Major, who participated in the study. Researchers say the magnesium chloride works so well because, like cadmium ions, the magnesium ions have a double positive charge, which don't cause disruption in the electron flow.

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