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Triboelectric‐Based Transparent Secret Code
Advanced Science ( IF 14.3 ) Pub Date : 2018-02-04 , DOI: 10.1002/advs.201700881
Zuqing Yuan 1, 2 , Xinyu Du 1 , Nianwu Li 1 , Yingying Yin 1, 2 , Ran Cao 1, 2 , Xiuling Zhang 1, 2 , Shuyu Zhao 1 , Huidan Niu 1, 2 , Tao Jiang 1 , Weihua Xu 1 , Zhong Lin Wang 1, 3 , Congju Li 1
Affiliation  

Private and security information for personal identification requires an encrypted tool to extend communication channels between human and machine through a convenient and secure method. Here, a triboelectric‐based transparent secret code (TSC) that enables self‐powered sensing and information identification simultaneously in a rapid process method is reported. The transparent and hydrophobic TSC can be conformed to any cambered surface due to its high flexibility, which extends the application scenarios greatly. Independent of the power source, the TSC can induce obvious electric signals only by surface contact. This TSC is velocity‐dependent and capable of achieving a peak voltage of ≈4 V at a resistance load of 10 MΩ and a sliding speed of 0.1 m s−1, according to a 2 mm × 20 mm rectangular stripe. The fabricated TSC can maintain its performance after reciprocating rolling for about 5000 times. The applications of TSC as a self‐powered code device are demonstrated, and the ordered signals can be recognized through the height of the electric peaks, which can be further transferred into specific information by the processing program. The designed TSC has great potential in personal identification, commodity circulation, valuables management, and security defense applications.

中文翻译:


基于摩擦电的透明密码



用于个人识别的隐私和安全信息需要加密工具,通过方便、安全的方法扩展人与机器之间的通信通道。在这里,报道了一种基于摩擦电的透明密码(TSC),它可以在快速处理方法中同时实现自供电传感和信息识别。透明疏水的TSC由于其高柔韧性可以贴合任何弧面,大大扩展了应用场景。独立于电源,TSC仅通过表面接触即可感应出明显的电信号。该 TSC 与速度相关,根据 2 mm × 20 mm 矩形条带,能够在 10 MΩ 电阻负载和 0.1 ms -1滑动速度下实现约 4 V 的峰值电压。所制备的TSC在往复轧制约5000次后仍能保持其性能。演示了TSC作为自供电编码器件的应用,可以通过电峰的高度来识别有序信号,并可以通过处理程序将其进一步转换为特定信息。所设计的TSC在个人身份识别、商品流通、贵重物品管理、安全防御等应用方面具有巨大的潜力。
更新日期:2018-02-04
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