Flexible humidity sensors are effective portable devices for human respiratory monitoring.However,the current pre-paration of sensitive materials need harsh terms and the small production output limits their practicab...Flexible humidity sensors are effective portable devices for human respiratory monitoring.However,the current pre-paration of sensitive materials need harsh terms and the small production output limits their practicability.Here,we report a syn-thesis method of single-crystal BiOBr nanosheets under room temperature and atmospheric pressure based on a sonochemic-al strategy.A flexible humidity sensor enabled by BiOBr nanosheets deliver efficient sensing performance,a high humidity sensit-ivity(Ig/I0=550%)with relative humidity from 40%to 100%,an excellent selectivity,and a detection response/recovery time of 11 and 6 s,respectively.The flexible humidity sensor shows a potential application value as a wearable monitoring device for res-piratory disease prevention and health monitoring.展开更多
基金support from the China Postdoctoral Science Foundation(No.2021M691729)National Key R&D Program of China(No.2021YFB2401901)Tsinghua-Toyota Joint Research Fund(No.20213930025).
文摘Flexible humidity sensors are effective portable devices for human respiratory monitoring.However,the current pre-paration of sensitive materials need harsh terms and the small production output limits their practicability.Here,we report a syn-thesis method of single-crystal BiOBr nanosheets under room temperature and atmospheric pressure based on a sonochemic-al strategy.A flexible humidity sensor enabled by BiOBr nanosheets deliver efficient sensing performance,a high humidity sensit-ivity(Ig/I0=550%)with relative humidity from 40%to 100%,an excellent selectivity,and a detection response/recovery time of 11 and 6 s,respectively.The flexible humidity sensor shows a potential application value as a wearable monitoring device for res-piratory disease prevention and health monitoring.
