Figure 2: Construction of the graphic carbon nitride electrode-based electrochemical actuator.
From: Graphitic carbon nitride nanosheet electrode-based high-performance ionic actuator

(a) Preparation of the g-CN800 °C actuator. SEM images of the surface, scale bar 2 μm (b) and cross section, scale bar 30 μm (c) of the g-CN800 °C actuator. (d) TEM image of PEO-NBR, scale bar 500 nm.