Fig. 4: The ionic BJT based on hydrogel diodes. | Microsystems & Nanoengineering

Fig. 4: The ionic BJT based on hydrogel diodes.

From: Enhancing the rectification effect of hydrogel-based stretchable ionic diodes through incorporating cations with high valence

Fig. 4

a The schematic of the ionic switch circuit and a photograph showing the Al3+-based hydrogel ionic NPN BJT. b The current response of IB and IC with VB as the input. VB was a square wave with an amplitude of 5 V and a frequency of 0.05 Hz. VC was set as 0 V. c IC versus VC with different IB as inputs, showing a typical output characteristic curve for NPN BJT. d IC versus IB under different voltages of VC. e IC versus VC with different VB as inputs

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