Sensing of ethanol with nanosize Fe-ZnO thin films

G. H. Kuo, Hong-Paul Wang, H. H. Hsu, James Wang, Y. M. Chiu, C. J.G. Jou, T. F. Hsu, F. L. Chen

研究成果: Article

13 引文 (Scopus)

摘要

Sensing of ethanol with iron doped ZnO (Fe-ZnO) thin films has been studied in this work. By X-ray diffraction spectroscopy, it is found that ZnO is the main compound in the low-iron (<10%) doped ZnO thin films. ZnFe 2 O 4 is also found as 20-50% of iron are doped on the thin films. The 5% Fe-ZnO thin film has a very high sensitivity (R air /R ethanol > 70) to 1000 ppm of ethanol at 300 K. It seems that iron can promote the sensivity of the ZnO thin film. The thin film doped with a greater amount (20-50%) of iron has, however, a much less sensitivity (<15) to ethanol. The chemical interactions between oxygen of ethanol and zinc on the Fe-ZnO thin film cause changes of the bond distances of Zn-O and Fe-O in the thin films to 1.90 and 1.98 Å which can be restored to 1.91 and 1.97Å, respectively, in the absence of ethanol.

原文English
文章編號316035
期刊Journal of Nanomaterials
2009
DOIs
出版狀態Published - 2009 五月 21

指紋

Ethanol
Thin films
Iron
Zinc
Spectroscopy
Oxygen
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

引用此文

Kuo, G. H., Wang, H-P., Hsu, H. H., Wang, J., Chiu, Y. M., Jou, C. J. G., ... Chen, F. L. (2009). Sensing of ethanol with nanosize Fe-ZnO thin films. Journal of Nanomaterials, 2009, [316035]. https://doi.org/10.1155/2009/316035
Kuo, G. H. ; Wang, Hong-Paul ; Hsu, H. H. ; Wang, James ; Chiu, Y. M. ; Jou, C. J.G. ; Hsu, T. F. ; Chen, F. L. / Sensing of ethanol with nanosize Fe-ZnO thin films. 於: Journal of Nanomaterials. 2009 ; 卷 2009.
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Kuo, GH, Wang, H-P, Hsu, HH, Wang, J, Chiu, YM, Jou, CJG, Hsu, TF & Chen, FL 2009, 'Sensing of ethanol with nanosize Fe-ZnO thin films', Journal of Nanomaterials, 卷 2009, 316035. https://doi.org/10.1155/2009/316035

Sensing of ethanol with nanosize Fe-ZnO thin films. / Kuo, G. H.; Wang, Hong-Paul; Hsu, H. H.; Wang, James; Chiu, Y. M.; Jou, C. J.G.; Hsu, T. F.; Chen, F. L.

於: Journal of Nanomaterials, 卷 2009, 316035, 21.05.2009.

研究成果: Article

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