Scientists from Karlsruhe Institute of Technology and the Indian Institute of Technology Guwahati have developed a superhydrophobic material using metal-organic frameworks (MOFs) modified with hydrocarbon chains. These MOFs, known for their sponge-like structures and vast surface areas, were transformed into water-repellent surfaces by grafting hydrocarbon chains, resulting in water contact angles exceeding 160 degrees. This high-angle indicates superior hydrophobicity, making the material ideal for applications like self-cleaning surfaces in architecture and automotive industries. Unlike traditional methods using fluorinated compounds like Teflon, this approach relies on a unique “high-entropy” state of hydrocarbon chains, ensuring better performance. The research also explored nanometer-scale surface roughness to enhance water repellency further. This breakthrough offers a pathway to next-generation hydrophobic materials with customizable properties for diverse applications.
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