Figure 6. Electrical circuit to test the OECT device. The propeller-motor indicates current-flow between source and drain and thus gives visual feedback to the on/off state of the transistor. Scan the QR code to watch a video or animation of the OECT device

From

Organic Electrochemical Transistors (OECTs) - Hands-on Experiment and Teaching Materials

Dustin Freimuth, Xuqiang Xu, Jana Zaumseil, Silvia Janietz, Amitabh Banerji

World Journal of Chemical Education. 2026, 14(1), 11-17 doi:10.12691/wjce-14-1-2