An anonymous reader writes "Swedish researchers have devised a way to turn bioluminescent jellyfish into solar cells. It works like this: the green fluorescent protein (GFP) that makes the Aequorea victoria glow is simply dripped onto a silicon dioxide substrate between two electrodes. The protein works itself into strands between the electrodes. When ultraviolet light is shined on the circuit, voila, the GFP absorbs photons and emits electrons, generating a current. The GFP-powered cells work like dye-sensitized solar cells, but don't require expensive materials such as titanium dioxide."
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