2023年4月27日 · Here we report an organic electrochemical transistor capable of sensing, memory and processing. The device has a vertical traverse architecture and a crystalline–amorphous channel that can be...

2022年5月2日 · Furthermore, constant OECT response upon deformation enables stable signal amplification for electrocardiogram (ECG) and synapse applications over a range of tensional strains.

2024年8月1日 · ECG is the most active direction of OECT detection, which reflects the comprehensive electrical activity of myocardial cells. ECG is often used to analyze symptoms such as arrhythmia, myocardial ischemia, and heart failure. An electrocardiogram's typical waveform consists of P, QRS, T, and U waves.

2025年3月18日 · This OECT achieves exceptional transconductance (∼2.1 mS), mechanical resilience (30% strain), and long-term stability (>6 months), enabling high-fidelity electrocardiography (ECG) monitoring with a signal-to-noise ratio (SNR) of 35.7 dB.

2023年2月2日 · Herein, ultra-flexible organic electrochemical transistor (OECT) arrays used for wearable ECG mapping on the skin surface above a human heart are presented. QRS complexes of ECG signals at different recording distances and directions relative to the heart are obtained.

2021年10月15日 · Organic electrochemical transistor (OECT)-based digital, analog and neuromorphic circuit for biological applications. Wireless power and data transmission for OECT-based circuits. Novel fabrication techniques and materials enable new circuit concepts. Promising potential of OECT-based circuit in the field of bioelectronics.

In this article, we focus on the integration of the OECT into a simple voltage amplifier circuit to provide a voltage-to-voltage transduction, as first introduced by Rivnay et al. 28 A detailed investigation of this system allows us to optimize the amplification parameters of the device.

2022年4月21日 · With the ECG signal applied across the gate and source electrodes of the skin-attached OECT (Figure 5e,f), the drain current as the recording signal provides amplification to the signal through the high G m of the OECT device, thereby achieving a much higher signal to noise ratio (SNR) compared to the conventional passive electrode recording.

2023年2月12日 · 基于此，香港理工大学讲座教授严锋领导的研究团队报道了一种超柔有机电化学晶体管阵列（OECT array），并用于心脏区域体表的心电信号测绘. 通过优化OECT器件制备工艺，器件沟道长度可缩短至仅2微米，采用聚對二甲苯（Parylene）柔性衬底制备的器件具有极佳的柔性，弯曲稳定性好，响应时间可缩短至约10微秒。 图二 有机电化学晶体管的晶体管性能和瞬态响应. 柔性OECT阵列用于可穿戴心电 信号 测绘时，该阵列能够和皮肤完美贴合，并通过单根 …

2023年1月18日 · Organic electrochemical transistors (OECTs) and OECT-based circuitry offer great potential in bioelectronics, wearable electronics and artificial neuromorphic electronics...