期刊
THIN SOLID FILMS
卷 496, 期 2, 页码 288-292出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2005.08.354
关键词
anodic oxidation; catalysis; titanium oxide; plasma processing and deposition
Microporous titanium dioxide thin films have been fabricated on titanium plates by the micro-plasma oxidation method with the electrolyte of H2SO4. The influence of Fe3+ ions addition in the electrolyte on the photocatalytic activities was investigated. The results reveal that titanium dioxide thin films produced with Fe3+ addition electrolyte exhibit higher photoactivity than pure electrolyte for the oxidation of rhodamine B. The removal of rhodamine B reaches 90% for 30 min when Fe3+ addition concentrate is 0.2 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. (c) 2005 Elsevier B.V. All rights reserved.
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