Fig. 9
From: Heterogeneous catalysts for catalytic CO2 conversion into value-added chemicals

Volcano plots of CO2RR activity toward a CO and b HCOOH as a function of binding energies of *COOH, and *OCHO, respectively, and c CO2RR mechanisms to CO or HCOOH. (Reprinted with permission from ref. [103]. Copyright 2017 American Chemical Society)