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Fig. 4 | BMC Materials

Fig. 4

From: Noble metal-free two dimensional carbon-based electrocatalysts for water splitting

Fig. 4

a Synthetic routes of NFPGNS. b, c SEM images of NFGNS. d Steady-state curves of NFPGNS, NNG, FPGC, CC and Pt/C for overall water splitting in 1.0 M KOH. a–d Reproduced with permission from Ref. [90]. Copyright 2017, Royal Society of Chemistry. e The generation of gas bubbles during overall water splitting. f LSV curve of NOGB in 1 M KOH. The inset is representing the stability of the electrocatalyst in an electrolyser for 20 h. e, f Reproduced with permission from Ref. [92]. Copyright 2019, Wiley-VCH

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