一种由钙钛矿太阳能电池供电的自主式可穿戴生物传感器。
An autonomous wearable biosensor powered by a perovskite solar cell.
作者信息
Min Jihong, Demchyshyn Stepan, Sempionatto Juliane R, Song Yu, Hailegnaw Bekele, Xu Changhao, Yang Yiran, Solomon Samuel, Putz Christoph, Lehner Lukas, Schwarz Julia Felicitas, Schwarzinger Clemens, Scharber Markus, Sani Ehsan Shirzaei, Kaltenbrunner Martin, Gao Wei
机构信息
Andrew and Peggy Cherng Department of Medical Engineering, Division of Engineering and Applied Science, California Institute of Technology, Pasadena, California, 91125, USA.
These authors contributed equally to this work.
出版信息
Nat Electron. 2023 Aug;6(8):630-641. doi: 10.1038/s41928-023-00996-y. Epub 2023 Jul 20.
Wearable sweat sensors can potentially be used to continuously and non-invasively monitor physicochemical biomarkers that contain information related to disease diagnostics and fitness tracking. However, the development of such autonomous sensors faces a number of challenges including achieving steady sweat extraction for continuous and prolonged monitoring, and addressing the high power demands of multifunctional and complex analysis. Here we report an autonomous wearable biosensor that is powered by a perovskite solar cell and can provide continuous and non-invasive metabolic monitoring. The device uses a flexible quasi-two-dimensional perovskite solar cell module that provides ample power under outdoor and indoor illumination conditions (power conversion efficiency exceeding 31% under indoor light illumination). We show that the wearable device can continuously collect multimodal physicochemical data - glucose, pH, sodium ions, sweat rate, and skin temperature - across indoor and outdoor physical activities for over 12 hours.
可穿戴汗液传感器有潜力用于连续、无创地监测物理化学生物标志物，这些标志物包含与疾病诊断和健康追踪相关的信息。然而，此类自主传感器的开发面临诸多挑战，包括实现持续且长时间监测所需的稳定汗液提取，以及解决多功能和复杂分析的高功率需求。在此，我们报告一种由钙钛矿太阳能电池供电的自主可穿戴生物传感器，它能够提供连续、无创的代谢监测。该设备使用柔性准二维钙钛矿太阳能电池模块，在室内外光照条件下都能提供充足电力（室内光照下功率转换效率超过31%）。我们展示了该可穿戴设备能够在室内和室外体育活动中连续收集多模态物理化学数据——葡萄糖、pH值、钠离子、出汗率和皮肤温度——长达12小时以上。
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