A surface acoustic wave CO sensor based on periodically patterned Au-coated ZnO nanorods
Date Issued
2011
Date
2011
Author(s)
Yeh, Shan-Sung
Abstract
For the sake of human safety and industry applications, the gas detection is gradually taken seriously. CO is one of the most harmful pollutants which is colorless, odorless and tasteless. When human inhale the CO, it could cause the symptoms of headaches, dizziness and even death. Furthermore, CO is able to poison the noble metals making poor performance on the catalyst like Pt used in fuel cells. Hence, monitoring the condition of hydrogen gas is important for environmental protection and human safety. The CO SAW sensor is developed for its stability, sensitivity, convenience and low cost.
In the thesis, a 145 MHz oscillator based on 128
Subjects
SAW Oscillator
CO sensor
ZnO nanorods
Au nanoparticles
Type
thesis
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