Science Daily – Higher efficiency organic solar cell created

Researchers at the University of California, Santa Barbara and the Gwangju Institute of Science and Technology in Gwangju Korea have created a new “tandem” organic solar cell that yields 6.5% efficiency, which is the highest level yet for solar cells made from organic materials. Nobel laureate Alan Heeger, professor of physics at UC Santa Barbara feels that they can make additional improvements to increase the efficiency even further to make this technology viable for commercial products. He expects these cells to be on the market in about three years. Drs Heeger and Kwanghee Lee from Korea explain in their paper that the cells “… can be fabricated to extend over large areas by means of low-cost printing and coating technologies that can simultaneously pattern the active materials on lightweight flexible substrates.”

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