Earth-abundant plasmonic catalysts for ammonia decomposition.
report that a plasmonic catalyst — a type of light-activated catalyst — based on abundantly available copper and iron can be used to produce hydrogen gas, a green fuel, from ammonia .
This light-powered process generates hydrogen as efficiently as does a widely used heat-driven catalyst based on ruthenium, a much scarcer element. The findings reveal opportunities for plasmonic catalysts in sustainable industrial processes, and might help to establish the wide-scale use of light to power chemical reactions. Moreover, it suggests that catalysts based on Earth-abundant elements might finally emerge for use in a broad range of industrial applications.
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