Fig. 13. (a) The basic processes in a heterogeneous photocatalysis system.247 This figure has been adapted from ref. 247 with permission from American Chemical Society, copyright 1995; (b) framework structure of UiO-66(Zr) with the primitive cell indicated in blue (Zr, yellow; O, red; C, brown; H, light pink).263 This figure has been adapted from ref. 263 with permission from American Chemical Society, copyright 2018; (c) PBE-calculated projected density of states for MIL-125(Ti) (upper panel) and density isosurfaces (in blue) for valence band maximum (HOCO) and conduction band minimum (LUCO) of MIL-125(Ti) (Ti, blue; O, red; C, brown; H, light pink).257 This figure has been adapted from ref. 257 with permission from Willey, copyright 2010; (d) schematic view of the first and second excitations of the cluster model [Zr6O4(OH)4(HCOO)10(HBDC-2,5(OH)2)] of doubly functionalized UiO-66(Zr) with OH (Zr, cyan; O, red; C, gray; H, white).261 This figure has been adapted from ref. 261 with permission from American Chemical Society, copyright 2015.
