fig21
From: Applications of flexible polyimide: barrier material, sensor material, and functional material
![Applications of flexible polyimide: barrier material, sensor material, and functional material](https://image.oaes.cc/20a85a8b-3151-4a16-8895-9df1ea8f96a1/5339.fig.21.jpg)
Figure 21. (A) Photograph of wearable sensor (the flexible IPL-RGO sensor layer is in the blue box); (B) the sensor has stable H2S sensing performance[17].