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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >Compressible AgNWs/Ti(3)C(2)T(x)MXene aerogel-based highly sensitive piezoresistive pressure sensor as versatile electronic skins
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Compressible AgNWs/Ti(3)C(2)T(x)MXene aerogel-based highly sensitive piezoresistive pressure sensor as versatile electronic skins

机译：可压缩AGNWS / TI（3）C（2）T（x）蒙翅气凝胶的高敏感压阻压力传感器作为多功能电子皮肤

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摘要

Wearable pressure sensors have been intensively studied as electronic skins, stimulated by the demand for a piezoresistive sensing system that is highly sensitive over an ultrawide pressure range. Herein, a wearable and flexible piezoresistive pressure sensor is developed by assembling a new type of composite aerogel in a sandwich structure. Directional freezing is applied to prepare the silver nanowires (AgNWs)/Ti(3)C(2)T(x)MXene-based compressible composite aerogel, in which 2D Ti3C2Tx, with plentiful functional terminals acting as building skeletons, can reinforce the AgNWs aerogel and the interweaving of 1D AgNWs among Ti(3)C(2)T(x)layers averts stacking. In terms of the synergistic effect, the acquired composite aerogel is endowed with a well-aligned layer structure. The as-prepared piezoresistive pressure sensor exhibits ultrahigh sensitivity (645.69 kPa(-1)) with a detection limit of 1.25 Pa in a wide detection range (0-9 kPa), a short response time (60 ms), and superior bendable performance with a bending angle from 30 degrees to 90 degrees. Additionally, after undergoing more than 1000 compression cycles, it maintains a stable piezoresistive response. The well-aligned AgNWs/Ti(3)C(2)T(x)aerogel reveals its application potential in the wearable healthcare field.
机译：可穿戴压力传感器被密集地研究作为电子皮肤，通过对极宽度压力范围高度敏感的压阻传感系统的需求刺激。这里，通过在夹层结构中组装新型的复合气凝胶，开发可穿戴和柔性压阻式压力传感器。施用定向冷冻以制备银纳米线（AgNW）/ Ti（3）C（2）T（X）MxENE的可压缩复合气凝胶，其中2D Ti3C2TX，具有充当建筑骨架的丰富功能终端，可以加强Agnws Airgel和Ti（3）C（2）T（x）层避免堆叠的1D AGNW之间的交织。就协同效应而言，所获得的复合气凝胶具有良好的对准层结构。 AS制备的压阻式压力传感器具有超高敏感性（645.69kPa（-1）），检测限为1.25Pa在宽检测范围（0-9 kPa），短响应时间（60毫秒）和卓越的可弯曲性能弯曲角度从30度到90度。另外，在经历超过1000个压缩循环之后，它保持稳定的压阻性反应。良好的AgNWS / Ti（3）C（2）T（x）气凝胶揭示了可穿戴医疗领域的应用潜力。

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