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首页> 外文期刊>Advanced Functional Materials >Mutually Exclusive p-Type and n-Type Hybrid Electrode of MoS_2 and Graphene for Artificial Soft Touch Fingers
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Mutually Exclusive p-Type and n-Type Hybrid Electrode of MoS_2 and Graphene for Artificial Soft Touch Fingers

机译：MoS_2和石墨烯的互斥p型和n型混合电极用于人造软触摸手指

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Future smart mobile electronics and wearable robotics that can perform delicate activities controlled by artificial intelligence can require rapid motion actuators working at low voltages with acceptable safety and improved energy efficiency. Accordingly, ionic soft actuators can have great potential over other counterparts because they exhibit gentle movements at low voltages, less than 2 V. However, these actuators currently show deficient performances at sub-1 V voltages in the high-frequency range because of the lack of electrode materials with the vital antagonistic properties of high capacitance and good conductivity. Herein, a mutually exclusive nanohybrid electrode (pMoS(2)-nSNrGO) is reported consisting of oxide-doped p-type molybdenum-disulfide and sulfur-nitrogen-codoped n-type reduced-graphene-oxide. The pMoS(2)-nSNrGO electrode derives high capacitance from MoS2 and good charge transfer between the two components from p-n nano-junctions, resulting in excellent actuation performances (670% improvement compared with rGO electrode at 0.5 V and 1 Hz, together with fast responses up to 15 Hz). With such excellent performances, these actuators can be successfully applied to realize an artificial soft robotic finger system for delicately touching the fragile surfaces of smartphones and tablets. The mutually exclusive pMoS(2)-nSNrGO electrode can open a new way to develop high-performance soft actuators for soft robotic applications in the future.
机译：未来的能够执行由人工智能控制的精细活动的智能移动电子设备和可穿戴机器人，可能需要在低压下以可接受的安全性和更高的能效运行的快速运动执行器。因此，离子软致动器比其他同类产品具有更大的潜力，因为它们在低于2 V的低电压下表现出柔和的运动。但是，由于缺乏这种性能，目前这些致动器在低于1 V的电压下表现出较高的性能具有高电容和良好导电性的至关重要的拮抗特性的电极材料。在此，据报道互斥纳米混合电极（pMoS（2）-nSNrGO）由掺杂氧化物的p型二硫化钼和掺杂硫氮的n型还原石墨烯氧化物组成。 pMoS（2）-nSNrGO电极从MoS2获得高电容，并从pn纳米结获得了两个组件之间的良好电荷转移，从而产生了出色的驱动性能（在0.5 V和1 Hz时，与rGO电极相比，提高了670％）响应高达15 Hz）。凭借如此出色的性能，这些执行器可以成功地用于实现一种人造的柔软的机器人手指系统，以精细地触摸智能手机和平板电脑的脆弱表面。互斥的pMoS（2）-nSNrGO电极可以为将来开发用于软机器人应用的高性能软执行器开辟一条新途径。

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