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Photochemistry

Let there be light — but not too much

Green plants have an in-built protection system that prevents their photosynthetic machinery from being damaged by excessive levels of light. Researchers have now demonstrated a similar mechanism in an artificial molecular system.

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Figure 1: A change in the photochrome (bottom right) has a significant impact on the transfer of charge and energy in the rest of this artificial photosynthetic system, as described in the main text.

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Guldi, D. Let there be light — but not too much. Nature Nanotech 3, 257–258 (2008). https://doi.org/10.1038/nnano.2008.124

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