zhongping yao - Microporous Ni-Doped TiO2 film Photocatalyst by Plasma Electrolytic Oxidation

Version 1

      Publication Details (including relevant citation   information):

      ACS Appl. Mater. Interfaces, 2010, 2 (9), pp
      2617–2622

      DOI: 10.1021/am100450h

      Citing Articles

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      Abstract:

      Ni-doped TiO2 film catalysts were prepared by a plasma   electrolytic

      oxidation (PEO) method and were mainly characterized by means of   SEM, EDS, XRD,

      XPS, and DRS, respectively. The effects of Ni doping on the   structure,

      composition and optical absorption property of the film catalysts   were

      investigated along with their inherent relationships. The results   show that the

      film catalyst is composed of anatase and rutile TiO2  with microporous

      structure. Doping Ni changes the phase composition and the   lattice parameters

      (interplanar crystal spacing and cell volume) of the films. The   optical

      absorption range of TiO2 film gradually expands and   shifts to the red

      with increasing dosages. Both direct and indirect transition band   gaps of the

      TiO2 films are deduced consequently. Moreover, the   photocatalytic

      activity of the film catalysts for splitting

      Na2S+Na2SO3 solution into   H2 is

      enhanced by doping with an appropriate amount of Ni. The   as-prepared

      TiO2 film catalyst doping with 10 g/L of   Ni(Ac)2 presents

      the highest photocatalytic reducing activity.

      Address (URL): http://pubs.acs.org/doi/citedby/10.1021/am100450h