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首页> 外文期刊>Nanotechnology >Observation of a water droplet motion by using an oxide nanowire transistor covered by a nanofiber mesh
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Observation of a water droplet motion by using an oxide nanowire transistor covered by a nanofiber mesh

机译：使用纳米纤维网覆盖的氧化物纳米线晶体管观察水滴运动

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摘要

The motion, in particular the flow speed and dropping height, of a water droplet was observed using a tin oxide (SnO2) nanowire transistor with a polyurethane (PU) nanofiber mesh as a selective filter. The changes in the SnO2 nanowire transistor characteristics, particularly the threshold voltage and on-current, were due to the adsorbed water molecules that acted as electron donors on the surface of the oxide nanowire semiconducting channel. The role of the PU nanofiber mesh, allowing the passage of water vapor while blocking liquid water, was to restrict the direct contact between the water droplet and the oxide nanowire semiconducting channel and electrodes, which could cause abnormal transistor characteristics. The selective filtering properties of the PU nanofiber mesh could be controlled by changing the number of PU layers.
机译：使用具有聚氨酯（PU）纳米纤维网作为选择过滤器的聚氨酯（PU）纳米纤维网观察水滴的运动，特别是流动速度和滴加的水滴的运动。 SnO2纳米线晶体管特性，特别是阈值电压和电流的变化是由于吸附的水分子，其用作氧化物纳米线半导体通道表面上的电子供体。 PU纳米纤维网的作用，允许水蒸气通过在阻挡液体水中，是限制水滴和氧化物纳米线半导体通道和电极之间的直接接触，这可能导致异常晶体管特性。 可以通过改变PU层的数量来控制PU纳米纤维网格的选择性滤波特性。

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