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The fluorescent future of solar cells

By Guest PostMay 13, 2013Scienceabsorb light, andre d taylor, cell layer, electrical power, fluorescent future, fluorescent organic dye, fret, higher efficiency photovoltaics, jing shun huang, matthew y sfeir, mechanical flexibility, nilay hazari, polymer solar cells, power conversion efficiency, scientists at yale, solar cells, tenghooi goh, xiaokai li

For some solar cells, the future may be fluorescent.

Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding a fluorescent organic dye to the cell layer. This squaraine dye boosts light absorption and recycles electrons, improving the conversion of light into energy. The results suggest a new route for the development of lower-cost, higher-efficiency photovoltaics, the scientists said.

“People can apply our approach in designing advanced solar cells with higher efficiencies,” said André D. Taylor, the assistant professor of chemical and environmental engineering at Yale who led the research, published May 5 online in the journal Nature Photonics. (more…)

UCLA Engineers Create Tandem Polymer Solar Cells That Set Record For Energy-Conversion

In the effort to convert sunlight into electricity, photovoltaic solar cells that use conductive organic polymers for light absorption and conversion have shown great potential. Organic polymers can be produced in high volumes at low cost, resulting in photovoltaic devices that are cheap, lightweight and flexible.

In the last few years, much work has been done to improve the efficiency with which these devices convert sunlight into power, including the development of new materials, device structures and processing techniques. (more…)

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The fluorescent future of solar cells

UCLA Engineers Create Tandem Polymer Solar Cells That Set Record For Energy-Conversion