Figure 6

(a–c) SEM images with different magnifications and (d) TEM image and the related SAED pattern of the Bi2S3 multi-level superstructures transformed from BiOCOOH flower-like structures.
(a–c) SEM images with different magnifications and (d) TEM image and the related SAED pattern of the Bi2S3 multi-level superstructures transformed from BiOCOOH flower-like structures.