Intimate Humidity Monitoring: Development and Performance Evaluation of Wearable Color-Electric Dual-Mode Humidity Sensor
Fibers and Polymers(2023)
摘要
Flexible wearable humidity sensors have seen significant development in healthcare fields. However, most sensors have only one electrical response mode with low visualization, thus limiting applications. Here, a wearable color-electric dual-mode linked-response humidity sensor was provided for intimate humidity monitoring. Specifically, nickel (II) iodide (NiI2) and polyacrylonitrile (PAN) were chemically treated and sodium hydroxide (NaOH)-modified, respectively. Subsequently, the modified NiI2 and PAN were configured into a spinning solution to fabricate humidity-sensitive NiI2/PAN membranes utilizing the solution blow-spinning method. Polyimide-based fork-finger electrodes were then laminated onto the humidity-sensitive NiI2/PAN membrane to assemble a wearable color-electric bimodal NiI2/PAN humidity sensor. The sensor was characterized by a fast response time (6.19 s) and recovery time (9.58 s), wide humidity-monitoring range (11–98
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关键词
Color-electric dual-mode,Humidity sensors,Functional materials,Solution blow spinning
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