fig2
![Selenium nanomaterials enabled flexible and wearable electronics](https://image.oaes.cc/a97ad97a-8f9b-4a0b-b149-171adb44b9f6/5492.fig.2.jpg)
Figure 2. (A) (i) Schematic illustration of the chemical reduction method[52]; (ii) TEM image of hollow sphere Se nanoparticles;
Figure 2. (A) (i) Schematic illustration of the chemical reduction method[52]; (ii) TEM image of hollow sphere Se nanoparticles;
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