High sensitivity of a ZnO nanowire-based ammonia gas sensor with Pt nano-particles

Shoou Jinn Chang, Wen Yin Weng, Cheng Liang Hsu, Ting Jen Hsueh

研究成果: Article

51 引文 (Scopus)

摘要

We report the growth of high-density single crystalline ZnO nanowires on a patterned ZnO:Ga/SiO2/Si template, the adsorption of Pt nano-particles on the nanowire surface, and the fabrication of a ZnO nanowire-based NH3 gas sensor. It was found that the sensor responses were 22.5% and 36% for the nanowires without and with Pt adsorption when the chamber was injected with 1000 ppm of NH3 gas at 300 °C. With Pt adsorption, it was found that the measured sensitivities were around 16%, 22%, 26% and 36% when the concentration of the injected NH3 gas was 100, 200, 500 and 1000 ppm, respectively.

原文English
頁(從 - 到)283-288
頁數6
期刊Nano Communication Networks
1
發行號4
DOIs
出版狀態Published - 2010 十二月 1

指紋

Gas Sensor
Ammonia
Nanowires
Chemical sensors
Nanoparticles
Adsorption
SiO2
Gases
Template
Fabrication
Crystalline materials
Sensor
Zinc Oxide
Sensors
Gas

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Applied Mathematics

引用此文

Chang, Shoou Jinn ; Weng, Wen Yin ; Hsu, Cheng Liang ; Hsueh, Ting Jen. / High sensitivity of a ZnO nanowire-based ammonia gas sensor with Pt nano-particles. 於: Nano Communication Networks. 2010 ; 卷 1, 編號 4. 頁 283-288.
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High sensitivity of a ZnO nanowire-based ammonia gas sensor with Pt nano-particles. / Chang, Shoou Jinn; Weng, Wen Yin; Hsu, Cheng Liang; Hsueh, Ting Jen.

於: Nano Communication Networks, 卷 1, 編號 4, 01.12.2010, p. 283-288.

研究成果: Article

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AB - We report the growth of high-density single crystalline ZnO nanowires on a patterned ZnO:Ga/SiO2/Si template, the adsorption of Pt nano-particles on the nanowire surface, and the fabrication of a ZnO nanowire-based NH3 gas sensor. It was found that the sensor responses were 22.5% and 36% for the nanowires without and with Pt adsorption when the chamber was injected with 1000 ppm of NH3 gas at 300 °C. With Pt adsorption, it was found that the measured sensitivities were around 16%, 22%, 26% and 36% when the concentration of the injected NH3 gas was 100, 200, 500 and 1000 ppm, respectively.

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