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Fig. 8 | BMC Materials

Fig. 8

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

Fig. 8

a Schematic of the synthetic route of Ni–N–S doped porous carbon. b SEM. c TEM image. d HRTEM and inset of C is the SAED pattern. e Representation of structural model of Ni–N–S doped porous carbon. f, g Electrochemical performances of Ni–N–S doped porous carbon with other control samples. ag Reproduced with permission from Ref. [116]. Copyright 2019, Nature Publishing Group

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