23 Jun '11, 5pm

New solar cells can be printed right onto buildings

New solar cells can be printed right onto buildings

The world's largest dye-sensitized solar cell has just made an appearance. These cells have a couple of major advantages over traditional solar cells: one, they're incredibly cheap, and two, they can be printed right onto the materials used to make a building. Right now they’re being incorporated into girders manufactured by Tata steel. DSC modules use titanium dioxide -- the same stuff in old-school sunscreen -- to receive electrons from a dye when it's struck by sunlight. They're not terribly efficient, but they're so inexpensive that as the technology matures it's anticipated that they will approach the cost of fossil fuels for production of electricity. The idea is that eventually manufacturers will simply sell building materials covered with these solar cells, including roofs, facades, and windows. Putting up a house that doesn't generate its own electricity will seem...

Full article: http://www.grist.org/list/2011-06-23-new-solar-cells-can-...

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