Author: Jeremy Rehm / Source: Science News
Using light, a prototype “green” material can purify enough daily drinking water for four people in just one hour.
In tests, it killed nearly 100 percent of bacteria in 10 liters of water, researchers report February 7 in Chem.This new material, a 2-D sheet of graphitic carbon nitride, is a photocatalyst: It releases electrons when illuminated to create destructive oxygen-based chemicals that destroy microbes. The design avoids pitfalls of other similar technology. Today’s most effective photocatalysts contain metals that can leach into water as toxic pollutants. Others are non-metallic, like the…
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