氢
材料科学
氢传感器
吸附
工作温度
大气温度范围
拓扑(电路)
工作(物理)
化学物理
纳米技术
热力学
化学
物理化学
物理
催化作用
电气工程
有机化学
钯
吸附
工程类
作者
Zhiyong Duan,Zijian Zhou,Shu Zhu,Wen-Qing Diao,Zhongfan Liu,Lan-Lan Fan,Shuyi Zhang,Liping Cheng,Xiaodong Xu
摘要
Hydrogen, as a potential replacement for fossil fuels, exhibits promising application prospects and, meanwhile, demands hydrogen sensors with high performance due to flammability and explosivity. Currently, most of hydrogen sensors work based on sorption of hydrogen with hydrogen-sensitive materials. Thus, the sensitivities of the sensors decrease with operating temperature because the reaction between sensitive materials and hydrogen weakens. Here, we create a hydrogen sensor on the basis of an acoustic topological material, in which hydrogen can be detected by measuring the shift of the topological interface state. Owing to the absence of hydrogen sorption, the sensor possesses advantages of an extremely wide operating temperature range, a good linearity, a rapid and stable dynamic response, and a long life. It is demonstrated that the relative sensitivity of the sensor is a constant, which does not change with the operating temperature. This study opens an avenue to application of acoustic topological materials.
科研通智能强力驱动
Strongly Powered by AbleSci AI