Boosting Iron's Power in MIL-100(Fe) for Better Light-Driven Cleanup
Thursday, January 23, 2025
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You might have heard of MIL-100(Fe), a special material made from iron and other chemicals. It's been used to break down pollutants in water using light, a process called the photo-Fenton reaction. The problem is, it doesn't work very well. Scientists found a way to make MIL-100(Fe) more effective by controlling how iron is mixed in the material.
They started by making MIL-100(Fe) in water at normal temperatures and low acidity levels. This created a highly crystalline sample with a special mix of iron types. The iron was added during the making process, so the material only needed to be heated to 120°C to activate it. This strategy changed how the iron worked in the material, making it better at breaking down pollutants.
By tweaking the conditions, scientists also made the material's tiny holes more inviting for pollutants to enter. This boosted the material's ability to reach and break down pollutants.
In short, by carefully controlling the iron mix and the material's structure, scientists made MIL-100(Fe) much better at cleaning up water.