Materials that change their colour as a result of a simple electric potential could be key to a new generation of flat-screen displays. But the speed at which they undergo this change of hue has held them back, until now.
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Grätzel, M. Ultrafast colour displays. Nature 409, 575–576 (2001). https://doi.org/10.1038/35054655
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DOI: https://doi.org/10.1038/35054655
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