Tiny Silver Nanoparticles in Porous Supports for Faster Dye Degradation

CUHK, Hong KongTue Nov 19 2024
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Ever wondered how to make catalysts that work superfast and can be easily used? Scientists figured out a way by creating tiny silver nanoparticles, called nano-Ag, and placing them in special porous supports called hyper-cross-linked supports (HCP-CC). These supports have lots of tiny holes that make it easy to perform chemical reactions. HCP-CC are made with a special ingredient called cyanogen chloride that helps control their structure.
By putting nano-Ag into these supports, they created a hybrid catalyst called HCP-CC-Ag. The small size of nano-Ag, around 3 nanometers, is crucial because it makes the catalyst really effective. This tiny size is controlled by a combination of being confined in the supports and some chemical interactions. The unique thing is that these nano-Ag particles are so tiny they're considered ultrasmall. The benefits of using HCP-CC-Ag are huge. It speeded up the degradation of organic dyes in water, which is great for treating dye wastewater. The reaction rate constant was boosted to 0. 423 per minute. Plus, this catalyst can be reused many times without losing its effectiveness. Isn't that cool? It's like having a tiny, super-effective worker that doesn't get tired!
https://localnews.ai/article/tiny-silver-nanoparticles-in-porous-supports-for-faster-dye-degradation-3ff55bd7

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