Conceptual model shows how porphyrin COFs embedded in a cathode could be used to split carbon dioxide (CO2) into carbon monoxide (CO) and oxygen for making renewable fuels and other valuable chemical products. Credit: Courtesy of Omar Yaghi, Berkeley Lab/UC Berkeley
Porphyrin CO2 catalysts have been incorporated into the sponge-like crystals of covalent organic frameworks (COFs) to create a molecular system that not only absorbs carbon dioxide, but also selectively reduces it to CO, a primary building block for a wide range of chemical products including fuels, pharmaceuticals and plastics.
With the reduction of atmospheric CO2 emissions in mind, Yaghi and his MIU group designed and developed the first COFs as a means of separating CO2 from flue gases...
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