Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22190
Title: Microstructure promoted photosensitization activity of dye-titania/titanium composites
Authors: Xie, Y
Zhou, L 
Huang, H 
Lu, J
Keywords: Metal-matrix composites (MMCs)
Chemical properties
Microstructure
Surface treatments
Issue Date: 2008
Publisher: Elsevier
Source: Composites. Part A, Applied science and manufacturing, 2008, v. 39, no. 4, p. 690-696 How to cite?
Journal: Composites. Part A, Applied science and manufacturing 
Abstract: Well-constructed titania reactive layer/titanium metal-matrix composites were fabricated for photosensitization substrate application by a controlled electrochemical anodization process. A low-voltage anodization at 20 V produced titania nanotube array with 60-70 nm diameter and 540 nm height, while a high-voltage anodization at 180 V resulted in titania multiporous film with 170-260 nm pore size and 4 ?gm thickness. Two types of dye-titania/titanium composite electrodes were also prepared through a surface adsorption modification by orange G dye. The surface morphologies and interfacial electric properties of heterogeneous materials were examined by microstructure characterization and electrochemical impedance spectroscopy analysis. The significant decrease of interfacial charge-transfer resistance from 12,000 ?[ for microporous titania to 5100 ?[ for nanotubular tita
URI: http://hdl.handle.net/10397/22190
ISSN: 1359-835X
DOI: 10.1016/j.compositesa.2007.08.020
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