Figure 4

(a, b) TEM image and the related SAED pattern of a 2D sheet-like Bi₂S₃ nanorod network by sonicating the complex Bi₂S₃ hollow microspheres; (c) An HRTEM image of the crossed junction of Bi₂S₃ nanorod network; (d) An HRTEM image of a single Bi₂S₃ nanorod.