fig6
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Figure 6. (A) and (B) Schematic of electron-transfer pathways from an organic linker to a titanium-oxo cluster in NH2-MIL-125(Ti) and to a mixed-valent Cu center, respectively. S represents a sacrificial agent. (C) Activity of NM, Pt-NM and Cu-NM in photocatalytic H2 production under visible-light irradiation. Reproduced from Ref.[39] with permission from Wiley.