Dye-Based Nanotubes Can Harvest Light’s Power
Companies that make commercial solar cells are happy if they can achieve 20 percent efficiency when converting sunlight to electricity; an improvement of even 1 percent is seen as major progress. But nature, which has had billions of years to fine-tune photosynthesis, can do much better: microorganisms called green sulfur bacteria, which live deep in the ocean where there’s hardly any light available, manage to harvest 98 percent of the energy in the light that reaches them. Now, researchers led by an MIT postdoc have analyzed an artificial system that models the light-capturing method used by deep-sea bacteria.
Caption: Green sulfur bacteria, whose exceptional light-harvesting capabilities inspired the artificial system analyzed by postdoc Dörthe Eisele and her co-workers, dominate this hot spring at Yosemite National Park and give it its striking green color. Image: MIT
Read more: http://www.laboratoryequipment.com/news-Dye-Based-Nanotubes-Can-Harvest-Lights-Power-070912.aspx
Cool cool cool I was just talking about this to someone and wondering if anyone was doing research with deep sea bacteria!!!
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