Issue Date: December 5, 2011
Coating Made By Candlelight Repels Both Water And Oil
Using candle soot as a nanostructured template, researchers in Germany have developed a low-cost “superamphiphobic” coating that repels both water and oil (Science, DOI: 10.1126/science.1207115). A team led by Doris Vollmer of the Max Planck Institute for Polymer Research created the coating by first holding a glass slide above the flame of a paraffin candle. This step deposits a layer of carbon particles, roughly 30–40 nm in diameter, onto the slide. . . .
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