fig1

Figure 1. OECTs for advanced electrophysiology. (A) Schematic of wearable and implantable OECTs, with a detailed depiction of a typical OECT device on the right. Here, S, D, and G denote the source, drain, and gate electrodes, respectively; (B) Evolutionary trends in OECT development, including the stretchable, conformable configurations, adhesive interfaces, and breathable device structure; (C) Future directions for OECTs in advanced implantable systems, highlighting the importance of developing high-density arrays, alongside biodegradable and self-healing features tailored for diverse application scenarios. OECTs: Organic electrochemical transistors.