A feature on this evening’s which can reduce the cost and toxicity of cadmium telurite PV cells. Apparently cadmium chloride is an essential element to make the cell work … but researchers from Liverpool University have discovered that magnesium chloride can be substituted with no reduction in efficiency.

Cadmium telluride cells in themselves are, apparently, a lower cost alternative to silicon cells.

Listen to the broadcast here.

A more detailed article published in today’s Independent can be read here.


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