At last: Non-toxic and cheap thin-film solar cells for 'zero-energy' buildings

At last: Non-toxic and cheap thin-film solar cells for 'zero-energy' buildings Sydney, Australia (SPX) May 02, 2016 - 'Zero-energy' buildings - which generate as much power as they consume - are now much closer after a team at Australia's University of New South Wales achieved the world's highest efficiency using flexible solar cells that are non-toxic and cheap to make. Until now, the promise of 'zero-energy' buildings been held back by two hurdles: the cost of the thin-film solar cells (used in facades, ... more

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