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(a) List of important geometrical parameters and (b) the optimized DFT structures of Pt1–POM/graphene. PMA = phosphomolybdic acid, PTA = phosphotungstic acid, STA= silicotungstic acid and SMA= silicomolybdic acid. H, Oc, and Obr represent hollow site, oxygen at corner, and oxygen at bridge position of the POM, respectively. Adapted with permission from ref (236). Copyright 2019 American Chemical Society.
