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首页> 外文期刊>Nature Communications >Flexible suspended gate organic thin-film transistors for ultra-sensitive pressure detection
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Flexible suspended gate organic thin-film transistors for ultra-sensitive pressure detection

机译：用于超灵敏压力检测的柔性悬浮栅有机薄膜晶体管

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The utilization of organic devices as pressure-sensing elements in artificial intelligence and healthcare applications represents a fascinating opportunity for the next-generation electronic products. To satisfy the critical requirements of these promising applications, the low-cost construction of large-area ultra-sensitive organic pressure devices with outstanding flexibility is highly desired. Here we present flexible suspended gate organic thin-film transistors (SGOTFTs) as a model platform that enables ultra-sensitive pressure detection. More importantly, the unique device geometry of SGOTFTs allows the fine-tuning of their sensitivity by the suspended gate. An unprecedented sensitivity of 192?kPa?1, a low limit-of-detection pressure of <0.5?Pa and a short response time of 10?ms were successfully realized, allowing the real-time detection of acoustic waves. These excellent sensing properties of SGOTFTs, together with their advantages of facile large-area fabrication and versatility in detecting various pressure signals, make SGOTFTs a powerful strategy for spatial pressure mapping in practical applications.
机译：在人工智能和医疗保健应用中将有机设备用作压力传感元件，为下一代电子产品提供了绝佳的机会。为了满足这些有前途的应用的关键要求，非常需要低成本，具有出色灵活性的大面积超灵敏有机压力装置。在这里，我们将展示柔性悬栅有机薄膜晶体管（SGOTFT）作为可实现超灵敏压力检测的模型平台。更重要的是，SGOTFT的独特器件几何形状允许通过悬置栅极微调其灵敏度。成功地实现了前所未有的192？kPa？1的灵敏度，<0.5？Pa的低检测极限压力和10？ms的短响应时间，从而可以实时检测声波。 SGOTFT的这些出色的传感特性，加上它们易于制造的大面积制造以及在检测各种压力信号方面的多功能性，使SGOTFT成为实际应用中进行空间压力映射的强大策略。

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