材料科学
线性
纳米线
灵活性(工程)
湿度
响应时间
灵敏度(控制系统)
动态范围
光电子学
纳米技术
可穿戴计算机
计算机科学
嵌入式系统
电子工程
统计
物理
数学
计算机图形学(图像)
工程类
计算机视觉
热力学
作者
Yingjie Wan,Shaoning Zhang,Chao Zhao,Mingxia Deng,Dayong Ren,Fuqiang Huang
标识
DOI:10.1021/acsami.2c21976
摘要
A flexible humidity sensor with wide sensing range, superior sensitivity, high linearity, and advanced response/recovery capabilities is extremely desirable for practical applications in human body-related (HBR) monitoring and human-machine interaction (HMI). However, the practical sensor lacks a versatile nanomaterial integrated with sensing capabilities and mechanical flexibility to meet the criteria. Herein, a comprehensive flexible humidity sensor with ultralong Na2Ti3O7 nanowires (>120 μm) is subtly constructed for the first time. Owing to the distinguish nanowires network structure, the sensor exhibits wide sensing range (11-95% RH), high sensitivity (>103), high linearity (R2 > 0.98), and fast response/recovery capability (8.9/2.1 s), as well as excellent respiratory stability (>5000 s). In addition, the Na2Ti3O7-based humidity sensor demonstrates superior flexibility and antibacteria capabilities, and exhibits diverse applications in respiration monitoring, noncontact detection, as well as dynamic interactive display. This work provides a multifunctional humidity sensor with excellent practicability, suggesting the great potential in next-generation human-related flexible/wearable devices.
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