| 초록 |
In comparison to other organic-based electronics, OECTs have several advantages including high transconductance, low voltage operation, and long-term stability. In particular, since it is suitable for measuring bio-signals from on-skin, signals from various body parts such as EMG, ECG, and EEG could be measured using OECT. Here, we suggest an ultra-thin hybrid electrode was fabricated by thermally depositing ultra-thin sub-nano thickness Au electrode on crystalline poly(3,4 ethylene dioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) thin film, which has a transmittance of ~60 % at visible range wavelength and low sheet resistance of ~20 Ω/sq. Based on this structure, a semi-transparent and flexible top-contact structure OECT was fabricated that shows a transconductance of 1.5 mS, and the performance was maintained even in the highly bending state. Finally, this semi-transparent OECT is attached to human skin to successfully perform EMG, ECG measurements. |
