A nanoscopically thin gold coating at the optical percolation threshold was fabricated using scalable methods. Despite its extreme thinness, the film absorbs about 30% of the solar radiation while being transparent. The resulting photoinduced heating prevents or mitigates fogging on transparent surfaces.
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Change history
01 February 2023
A Correction to this paper has been published: https://doi.org/10.1038/s41565-022-01315-w
References
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This is a summary of: Haechler, I. et al. Transparent sunlight-activated antifogging metamaterials. Nat. Nanotechnol. https://doi.org/10.1038/s41565-022-01267-1 (2022).
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Combating fogging with selective sunlight nano-absorbers. Nat. Nanotechnol. 18, 109–110 (2023). https://doi.org/10.1038/s41565-022-01269-z
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DOI: https://doi.org/10.1038/s41565-022-01269-z
