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. 2021 Jun 12;33(33):2007285. doi: 10.1002/adma.202007285

Figure 9.

Figure 9

a) LSV and b) chronoamperometry measurement of CuO/g‐C3N4 nanocomposite under visible‐light irradiation. c) The mechanism of p–n heterojunction after combination. d–f) FESEM images of deposited electrodes of CuO (d), CuO/CN (e), and C–CuO/CN (f). g) Digital photographs of synthesized photocathodes. h) Linear‐sweep voltammograms curves, i) transient photocurrent responses, and j) hydrogen gas evolution of CuO, CuO/CN, and C–CuO/CN photoelectrodes. a,b) Reproduced with permission.[ 300 ] Copyright 2020, Elsevier. c) Reproduced with permission.[ 303 ] Copyright 2020, Elsevier. d–j) Reproduced with permission.[ 213 ] Copyright 2020, Elsevier.