Fig. 9.
a In-situ IR spectra of Pt/C in 0.1 M HClO4 in O2 and in Ar [93]; Reused with approval; Copyright 2018 WILEY-VCH Verbg GmbH&Co. KGaA, Weinheim. b In-situ ATR-IR spectrum of CoNOC in 0.1 M HClO4 with O2 saturated; c The comparative spectrum of CoNOC and CoNC in the band near 1220 cm−1 [128]. Reused with approval; Copyright 2021 American Chemical Society. d In-situ SHINERS spectrum of Pt (311) in 0.1 M HClO4 with O2 saturated; e The isotopic control spectra on the Pt (311) surface, at 0.7 V, in aqueous with 18O2 (red curve), in deuterated 0.1 M HClO4 (blue curve); f In-situ SHINERS spectra of different Pt (hkl) surfaces at 0.8 V [129]; Reused with approval; Copyright 2020 American Chemical Society. (Color figure online)