More reaction sites increase activity
XAFS showed that the georgeite was incredibly disordered initially, and the final structure at the end of its evolution following calcination and reduction was completely different to that of zincian malachite. Moreover, the catalyst derived from georgeite was composed of much smaller copper and zinc oxide particles than that of zincian malachite, with a greater degree of interaction between the two phases. This observation was supported by environmental transmission electron microscopy performed at the Technical University of Denmark.
Kondrat SA et al. Stable amorphous georgeite as a precursor to a high-activity catalyst. Nature 531(7592), 83–87 (2016). DOI: 10.1038/nature16935
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