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In a recent paper published in the Journal of the American Chemical Society (JACS), a team of researchers led by Hao Yan, Yan Liu and Neal Woodbury of the School of Molecular Sciences and Biodesign Center for Molecular Design and Biomimetics at Arizona State University report significant progress in optimizing systems that mimic the first stage of photosynthesis, capturing and harnessing light energy from the sun.
Recalling what we learned in biology class, the first step in photosynthesis in a plant leaf is capture of light energy by chlorophyll molecules. The next step is efficiently transferring that light energy to the part of the photosynthetic reaction center where the light-powered chemistry takes place. This process, called energy transfer, occurs efficiently in natural photosynthesis in the antenna complex. Like the antenna of a radio or a television, the job of the photosynthetic antenna complex is to gather the absorbed light energy and funnel it to the right place. How can we build our own "energy transfer antenna complexes," i.e., artificial structures that absorb light energy and transfer...
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