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Humidity sensing properties of flower-like vo2(b) and vo2(m) nanostructures

机译：花状vo2（b）和vo2（m）纳米结构的湿度感测特性

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摘要

VO2(B) nanoflowers were synthesized via hydrothermal method, and VO2(M) nanoflowers were obtained through heat-transformation. Two sensors based on VO2(B) and VO2(M) nanoflowers were fabricated and their humidity characteristics were studied. It was found that these sensors exhibited fast response and recovery, perfect reproducibility and good stability. The VO2(M) type sensor is more sensitive at high RH and can be used for high humidity detection. On the contrary, the VO2(B) type sensor has a higher sensitivity at low RH, and can be used for low humidity detection, which is difficult for humidity sensors based on many other semiconductor oxides.
机译：通过水热法合成了VO2（B）纳米花，通过热转化得到了VO2（M）纳米花。制备了两种基于VO2（B）和VO2（M）纳米花的传感器，并研究了它们的湿度特性。发现这些传感器表现出快速的响应和恢复，完美的再现性和良好的稳定性。 VO2（M）型传感器在高RH下更灵敏，可用于高湿度检测。相反，VO2（B）型传感器在低RH时具有更高的灵敏度，并且可用于低湿度检测，这对于基于许多其他半导体氧化物的湿度传感器来说是困难的。

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