A fluorine‐bearing covalent organic framework (COF) was shown to adsorb the pharmaceutical pollutant ibuprofen from water with high efficiency. A remarkable preference for lipophilic pharmaceuticals was found over hydrophilic ones, indicating that COFs can be designed to capture a specific class of contaminant. The effective recovery of the pharmaceutical is promising for recycling of the COF material. More information can be found in the Communication by B. Espiña, L. M. Salonen, et al. on page 10601.
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