Paper Title:
Influence of La3+ Ions on the Photo-Catalytic Activity of TiO2 Films Prepared by Micro-Plasma Oxidation Method
  Abstract

Micro-porous TiO2 ceramic films have been grown on titanium plates by the micro-plasma oxidation method with the electrolyte of H2SO4. The influence of La3+ ion addition in the electrolyte on the photo-catalytic activities was investigated. The results showed that titanium dioxide thin films produced with La3+ addition electrolyte exhibit higher photo-activity than pure electrolyte for the oxidation of rhodamine B. The removal of rhodamine B reaches 90% for 30 min when La3+ addition concentrate is 0.05 g/L. Experimental results of X-ray diffraction and atom force microscopy show that the increase in activity is related to change in the lattice parameters and cell volume.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
1949-1952
DOI
10.4028/www.scientific.net/KEM.336-338.1949
Citation
X. H. Wu, W. Qin, X. B. Ding, Z. H. Jiang, "Influence of La3+ Ions on the Photo-Catalytic Activity of TiO2 Films Prepared by Micro-Plasma Oxidation Method", Key Engineering Materials, Vols. 336-338, pp. 1949-1952, 2007
Online since
April 2007
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