Enhanced sensing performance of relative humidity sensors using laterally grown ZnO nanosheets

Fu Shou Tsai, Shui Jinn Wang

研究成果: Article

69 引文 斯高帕斯(Scopus)

摘要

This study investigates the effectiveness of using laterally oriented zinc oxide (ZnO) nanosheets (NSs) grown by the hydrothermal growth (HTG) method for relative humidity (RH) sensing at room temperature (RT). A sensing response (R12%/R96%) at RT of as high as 220, good sensing linearity in the range of 12-96% RH, a fast sensing response time of as low as 600 s, and a recovery time of 3 s are achieved. Compared to conventional ZnO-nanowire-based humidity sensors, a 100-fold improvement in the sensing response at RT was obtained, which is mainly attributed to the ZnO NSs having a much higher surface-to-volume ratio and a porous-like surface.

原文English
頁(從 - 到)280-287
頁數8
期刊Sensors and Actuators, B: Chemical
193
DOIs
出版狀態Published - 2014 三月 31

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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