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. 2023 Jan 25;9(4):eadc8758. doi: 10.1126/sciadv.adc8758

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Fig. 1. — (A) Structural design of the wound dressing with Bi₂Te₃ NPs as the thermocatalytic layer, chitosan hydrogel as the encapsulation layer, and CFF as the electrodes. (B) Flexible nature of the wound dressing. (C) Implementation of the wound dressing on a full-thickness wound created on the dorsal region of mice. (D) HRTEM image and elemental mapping images of Bi₂Te₃ NPs. (E) Change in the surface potential of Bi₂Te₃ NPs probed by KPFM at different temperature gradients. (F) Mechanism of the wound dressing for healing normal and infected wounds. a.u., arbitrary units.