fig10

Figure 10. (A-F) SEM images of SWCNT/Bi₂Te₃ composite films, corresponding to mass ratios of the SWCNTs to Bi₂Te₃-0.6/0.8/1/5/10/15; (G-J) HRTEM of SWCNTs@Bi₂Te₃-5; (K) XRD patterns of a series of SWCNT@Bi₂Te₃ films, pristine Bi₂Te₃ power, and pristine SWCNT film. Reproduced with permission from Ref^[86]. Copyright^© 2021. American Chemical Society. HRTEM: High-resolution transmission electron microscopy; SEM: scanning electron microscope; SWCNT: single-walled carbon nanotube; XRD: X-ray diffraction analysis.