Zinc-doped TiO_2 nanotube arrays were fabricated by immersing TiO_2 nanotube arrays in zinc-containing solution for hours. And subsequent heat-treatment was crucial for Zn~(2+) coming into the crystal lattice of TiO_2 nanotubes. TEM analysis was used as main technique to investigate the structure of zinc-doped TiO_2 nanotubes, and found that the Zn~(2+) ions only combine into the lattice of TiO_2 nanotubes. This kind of doping can change the valence structure in the surface of TiO_2 nanotube array. The obtained zinc-doped TiO_2 nanotube arrays have potential application in photocatalysis.
dopingTiO_2 nanotubes
Yang Yang、Xiaohui Wang、Longtu Li
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State Key Laboratory of New Ceramics and Fine Processing, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
NETL
NSTL
Trans Tech Publications Ltd
