Scientists hail solar energy discovery
Print Edition
American and Chinese scientists have synthesized a new, dual-atom catalyst to serve as a platform for artificial photosynthesis, a move that may help to harvest and store solar energy more efficiently.
In a study reported on Monday in the Proceedings of the National Academy of Science, scientists displayed an iridium catalyst with only two active metal centers, which can directly harvest solar energy and store the energy in chemical bonds, similar to how photosynthesis is performed but with higher efficiencies and lower cost.
It addresses the critical challenge that solar energy is intermittent, using the atomically dispersed catalyst featuring two atoms, according to Dunwei Wang, Boston College Associate Professor of Chemistry and the paper’s lead author.
Researchers reported the catalyst showed outstanding stability and high activity toward water oxidation, an essential process in natural and artificial photosynthesis.
Wang said the team was surprised by the simplicity and durability of the catalyst, combined with the high activity toward the desired reaction of water oxidation.
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