fig1
Figure 1. (A) Schematic illustration of the synthesis of BZIS heterojunctions; SEM images of (B) ZIS, (C) BS and (D) BZIS-1/20, (E) TEM image and (F) HRTEM image of BZIS-1/20; and (G) elemental mapping images of Zn, In, Bi and S. BZIS: Bi2S3/ZnIn2S4; SEM: scanning electron microscope; ZIS: ZnIn2S4; BS: Bi2S3; TEM: transmission electron microscope; HRTEM: high-resolution transmission electron microscope.
