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Citation: SONG Xu-chun, ZHENG Yi-fan, YIN Hao-yong, CAO Guang-sheng. Synthesis and Characterization of Transition Element Substituted Titanate Nanotubes[J]. Acta Physico-Chimica Sinica, ;2005, 21(10): 1076-1080. doi: 10.3866/PKU.WHXB20051003 shu

Synthesis and Characterization of Transition Element Substituted Titanate Nanotubes

1.
Department of Chemistry, Fujian Normal University, Fuzhou 350007； Department of Chemistry, Zhejiang University, Hangzhou 310027

Received Date: 3 January 2005
Available Online: 15 October 2005

Transition element (Mn, Cr, Cu) substituted titanate nanotubes were fabricated by a simple method, i.e., hydrothermal method. The precursors used were Mn, Cr and Cu doped anatase TiO2 nanopowders, which were 20～30 nm in diameter. The obtained samples were characterized by SEM, TEM, XRD, EDX, PL and Raman spectra. The results show that the fluorescence-emission intensity of the substituted titanate nanotubes decreases to some extent with the substitution of metal ions. It is generally considered that the low recombination efficiency of the electron-holes means the high quantum efficiency of the photons. So the results show that the transition element substituted titanate nanotubes might be applied in the photocatalysis.
- Hydrothermal method;Titanate;Substitution;Nanotube
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