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Technology update

Mar 7, 2007

Nanoparticles enhance photosynthesis

Metal nanoparticles can increase the efficiency of energy produced in photosynthetic systems, according to work by researchers in the US and Israel. The novel hybrid system, which consists of a photosynthetic reaction centre containing chlorophyll bound to gold and silver nanocrystals, produces ten times more excited electrons thanks to plasmon resonance and fast electron-hole separation. The enhancement mechanisms could be used to design artificial light-harvesting systems, say the scientists.

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