19 Apr '12, 5pm

New Organic Solar Technology Gets Us Closer to Electricity Generating Buildings

New Organic Solar Technology Gets Us Closer to Electricity Generating Buildings

A German startup company, Heliatek , has developed a light, flexible, thin-film solar technology using organic solar cells that could be applied to windows or integrated into concrete facades, creating electricity-generating tinted windows and structures. Turning buildings into self-sustaining clean energy power plants could be just around the corner. Heliatek has improved significantly on the efficiency of thin-film solar cells, with its panels reaching 8 to 10 percent efficiency compared to 3 to 5 percent for typical thin-film panels. The difference is that instead of using polymers to make the solar cells, Heliatek's are made using oligomers, shorter molecules that are more stable and can be applied more uniformly. This allows for applying the solar cells in multiple layers, making the technology more efficient. The technology still lags behind conventional silicon sola...

Full article: http://www.treehugger.com/solar-technology/thin-film-orga...

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