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. 2021 Aug 6;143(32):12524–12534. doi: 10.1021/jacs.1c01655

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© 2021 The Authors. Published by American Chemical Society

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Top: Spectra at different potential for the thin-film IrO_x electrode (20 nm) and free-standing CVD bilayered graphene (BLG) electrode decorated with IrO_x 2.5 nm NPs (top). Bottom: Relative increase of the hole density against the electrode potential recorded during the in situ characterization.