Self-cleaning surfaces can be classified as hydrophobic or hydrophilic - those that repel or attract water. A hydrophobic effect is commonly known as the lotus effect: water droplets roll over the ...

In a step towards developing advanced materials for functional coatings, a research group from Japan, developed a technology that combines structural color coating with super water-repellent ...

And in 1944, Cassie and Baxter pointed to another effect: the trapping of ... What's more, the hierarchical surfaces show lotus-like self-cleaning 10. But Jihua Zhang and co-workers report that ...