Designing Single-Atom Catalysts for Water Purification PNASNews YaleSEAS
Proceedings of the National Academy of Sciences published the results of the research that was headed by Prof. Jaehong Kim.
Prof. Jaehong Kim, Henry P. Becton Sr. Professor, Chemical & Environmental Engineering, Yale School of Engineering & Applied Science One drawback of single-atom catalysts is that some conditions can reduce their catalytic performance. To resolve it, scientists have now started developing catalysts that consist of a small cluster of atoms called ensembles. These clusters comprise only three or four atoms, rather than the thousands of atoms that build a nanomaterial.
Scientists are yet to figure out the ideal ways to regulate the properties of these ensemble structures and enhance their performance, as this material design is relatively new even now. For example, completely isolated single-atom catalysts can be improved by including some elements around the metals. Kim and his study group explored whether atom ensembles can be manipulated in the same way. Their study is the first to investigate the potential of doing so.
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