Meng Yanfang
State Key Laboratory of Advanced Optical Communications System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China.
Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China.
Nanomaterials (Basel). 2023 Jan 28;13(3):528. doi: 10.3390/nano13030528.
Owing to highly desired requirements in advanced disease diagnosis, therapy, and health monitoring, noncontact mechanosensation active matrix has drawn considerable attention. To satisfy the practical demands of high energy efficiency, in this report, combining the advantage of multiparameter monitoring, high sensitivity, and high resolution of active matrix field-effect transistor (FET) with triboelectric nanogenerators (TENG), we successfully developed the tribotronic mechanosensation active matrix based on tribotronic ion gel graphene scrolls field-effect transistors (GSFET). The tribopotential produced by TENG served as a gate voltage to modulate carrier transport along the semiconductor channel and realized self-powered ability with considerable decreased energy consumption. To achieve high spatial utilization and more pronounced responsivity of the dielectric of this transistor, ion gel was used to act as a triboelectric layer to conduct friction and contact electrification with external materials directly to produce triboelectric charges to power GFET. This tribopotential-driving device has excellent tactile sensing properties with high sensitivity (1.125 mm), rapid response time (~16 ms), and a durability operation of thousands of cycles. Furthermore, the device was transparent and flexible with the capability of spatially mapping touch stimuli and monitoring real-time temperature. Due to all these unique characteristics, this novel noncontact mechanosensation GSFET active matrix provided a new method for self-powered E-skin with promising potential for self-powered wearable devices and intelligent robots.
由于在先进疾病诊断、治疗和健康监测方面有迫切需求，非接触式机械传感有源矩阵引起了广泛关注。为满足高能效的实际需求，在本报告中，我们将有源矩阵场效应晶体管（FET）的多参数监测、高灵敏度和高分辨率优势与摩擦纳米发电机（TENG）相结合，成功开发了基于摩擦电子离子凝胶石墨烯卷场效应晶体管（GSFET）的摩擦电子机械传感有源矩阵。TENG产生的摩擦电势用作栅极电压，以调制沿半导体沟道的载流子传输，并在显著降低能耗的情况下实现了自供电能力。为实现该晶体管电介质的高空间利用率和更显著的响应度，离子凝胶被用作摩擦电层，直接与外部材料进行摩擦和接触起电，以产生摩擦电荷为GSFET供电。这种摩擦电势驱动装置具有出色的触觉传感特性，灵敏度高（1.125毫米）、响应时间快（约16毫秒），且能进行数千次循环的耐久性操作。此外，该装置透明且灵活，具备对触摸刺激进行空间映射和实时监测温度的能力。由于所有这些独特特性，这种新型非接触式机械传感GSFET有源矩阵为自供电电子皮肤提供了一种新方法，在自供电可穿戴设备和智能机器人方面具有广阔的应用前景。
