An organic electrochemical transistor that serves as a sensor and processor

Design of the mode-switchable cv-OECT. a, Comparison between the biological nervous system and cv-OECT-based artificial nervous system, where cv-OECT can act as both volatile receptor and non-volatile synapse. Optical micrographs display the top view of a v-OECT (scale bar, 100 μm). b, Device architecture of v-OECT; the two dashed boxes show the ion contribution in the volatile/non-volatile mode and the chemical structure of PTBT-p, respectively. c, Cryo-EM images of the 200 °C-thermal annealed (TA) and as-cast PTBT-p films. d, Transfer curves of cv-OECT with polarizable/non-polarizable gate electrode. e, Normalized 0–1 absorbance as a function of doping potential; the inset shows the …

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