https://www.selleckchem.com/pr....oducts/pha-767491.ht
It is well-known that the interplay between molecules and active sites on the topmost surface of solid catalyst determines its activity in heterogeneous catalysis. The electron density of active site is believed to affect both adsorption and activation of reactant molecules at surface. Unfortunately, commercial X-ray photoelectron spectroscopy (XPS) often adopted for such characterization is not sensitive enough to catalyst' topmost surface. In our opinion, most researchers fail to acknowledge this point during their catalytic correl
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