Copper foam as a highly efficient, durable filter for reusable masks and air cleaners (IMAGE)

American Chemical Society

Copper foam as a highly efficient, durable filter for reusable masks and air cleaners

Caption

A copper-based foam filter that could someday be used in facemasks or air cleaners sits on the bristles of a plant, illustrating its light-weight nature.

Credit

Adapted from <i>Nano Letters</i> <b>2021</b>, DOI: 10.1021/acs.nanolett.1c00050

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