![Blue background with a line of gold bubbles 3/4 of the way up](https://as.cornell.edu/sites/default/files/styles/6_4_newsletter/public/2024-07/istock-1163589460-micropollutants-1280x7200.jpg)
A touch of gold has extra reach in degrading micropollutants
A Cornell team used a new form of high-resolution optical imaging to better understand how adsorption – i.e., the clinging of molecules to surfaces – works on the semiconductor titanium dioxide with a gold particle added as a co-catalyst.
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