Electron field emission from Fe-doped TiO2 nanotubes

Chih Chieh Wang, Kuan Wen Wang, Tsong Pyng Perng

研究成果: 雜誌貢獻期刊論文同行評審

67 引文 斯高帕斯(Scopus)

摘要

Titanium dioxide nanotubes were prepared by refluxing TiO2 in 10 M NaOH at 200 °C for 12 h. The light absorption edge was slightly shifted to a longer wavelength when 0.025 mol % of iron was incorporated to TiO 2 nanotubes. A turn-on field at 12 V/μm and a maximum current density of 12 mA/ cm2 at 19 V/μm was observed for the Fe-doped but not for pure TiO2. The field emission behavior can be correlated with the geometry and electronic states of the nanotubes.

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文章編號143102
期刊Applied Physics Letters
96
發行號14
DOIs
出版狀態已出版 - 2010

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