30 Apr '13, 11pm

Researchers Turn Trees Into Solar Cells

Researchers Turn Trees Into Solar Cells

Researchers at Georgia Tech and Purdue University have developed solar cells fabricated on cellulose nanocrystal (CNC) substrates that provide 2.7% efficiency and are easy to recycle. Advertisement Solar power may be green, but solar cells typically are fabricated on glass or plastic, which isn’t easily recyclable. Their petroleum-based substrates aren’t eco-friendly either. But the Georgia Institute of Technology and Purdue University have jointly developed efficient solar cells using cellulose nanocrystal (CNC) substrates derived from trees and other plants, which means they can be recycled in water quickly at the end of their lifecycle (see the figure) . These organic solar cells reach 2.7% power conversion efficiency, which the researchers aim to improve by optimizing the optical properties of their electrodes. The CNC substrates are optically transparent, so light can...

Full article: http://electronicdesign.com/power/researchers-turn-trees-...

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