In:
International Journal of Photoenergy, Hindawi Limited, Vol. 2014 ( 2014), p. 1-7
Abstract:
The Fe + N codoped nanowire samples are prepared by hydro-thermal method and annealed in NH 3 atmosphere. The XRD (X-ray diffraction), SEM (Scanning electron microscope), UV-vis absorption spectroscopy, and BET (Brunauer, Emmett, and Teller) results indicate that the samples are pure anatase nanowires. The Fe + N codoped samples have the highest specific surface area, the largest red-shift, and the largest absorption enhancement in the visible light range compared with Fe doped, N doped, and undoped nanowires. The measurements of XPS (X-ray photoelectron spectroscopy) show that N content of Fe + N codoped TiO 2 is about two times as large as that of the N doped TiO 2 . It is assumed that nitrogen doping plays a very important role for the photocatalytic activity increase and hence the Fe + N codoped nanowire TiO 2 shows the most effective photocatalytic activity under the visible light irradiation.
Type of Medium:
Online Resource
ISSN:
1110-662X
,
1687-529X
Language:
English
Publisher:
Hindawi Limited
Publication Date:
2014
detail.hit.zdb_id:
2028941-8
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