fig5

Figure 5. (A) LOM Mechanism (B)TMAOH Poisoning Experiment and (C) pH-Dependence Experiment of ac-FeCoNiMo; (D) In situ ATR-SEIRAS spectra at various applied potentials for ac-FeCoNiMo. LOM: Lattice oxygen mediated; ATR-SEIRAS: attenuated total reflection surface-enhanced infrared absorption spectroscopy; TMAOH: tetramethylammonium hydroxide.