Artificial Photosynthesis
March 6, 2018 at 6:09 am
(This post was last modified: March 6, 2018 at 6:11 am by The Grand Nudger.)
Quote:Looking for new solutions to more efficiently harvest and store solar energy, scientists from the U.S. and China have synthesized a new, dual-atom catalyst to serve as a platform for artificial photosynthesis, the team reported today in the Proceedings of the National Academy of Sciences.
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Quote:The team developed an iridium catalyst with only two active metal centers. Most significantly, experiments revealed the catalyst to be a well-defined structure, capable of serving as a productive platform for future research on solar fuel synthesis.-and
"Our research concerns the technology for direct solar energy storage," said Boston College Associate Professor of Chemistry Dunwei Wang, a lead author of the report. "It addresses the critical challenge that solar energy is intermittent. It does so by directly harvesting solar energy and storing the energy in chemical bonds, similar to how photosynthesis is performed but with higher efficiencies and lower cost."
Quote:Wang said the team of researchers set out to determine "what the smallest active and most durable heterogeneous catalyst unit for water oxidation could be. Previously, researchers have asked this question and found the answer only in homogeneous catalysts, whose durability was poor. For the first time, we have a glimpse of the potential of heterogeneous catalysts in clean energy production and storage."https://phys.org/news/2018-03-dual-atom-...l.html#jCp
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