Fig. 6: Mechanism of surface charge separation via S-scheme heterojunction. | Nature Communications

Fig. 6: Mechanism of surface charge separation via S-scheme heterojunction.

From: A superlattice interface and S-scheme heterojunction for ultrafast charge separation and transfer in photocatalytic H2 evolution

Fig. 6: Mechanism of surface charge separation via S-scheme heterojunction.

a Atomic force microscopy (AFM) image of SL-MCS/MW NRs. Corresponding surface potential distribution (b) under dark state and (c) light irradiation of 420 nm. d Line profiles of surface potential from point A to B, marked in (b) and (c). e Schematic illustration of charge separation and transfer mechanism of S-scheme heterojunction in SL-MCS/MW NRs.

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