期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 362, 期 2, 页码 367-374出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2011.07.007
关键词
Electrophoretic deposition; Carbon nanotube; Halloysite nanotube; Polyacrylic acid; Film; Oxide
资金
- Natural Sciences and Engineering Research Council of Canada
Electrophoretic deposition (EPD) method has been developed for the deposition of thin films of polyacrylic acid (PAA). This method allowed the formation of uniform films of controlled thickness on conductive substrates. It was shown that PAA can be used as a common dispersing agent suitable for charging and EPD of various materials, such as multiwalled carbon nanotubes, halloysite nanotubes, MnO2, NiO, TiO2 and SiO2. The feasibility of EPD of composite films containing the nanotubes and oxide particles in a PAA matrix has been demonstrated. The kinetics of deposition and deposition mechanisms were investigated and discussed. The films were studied by thermogravimetric analysis, differential thermal analysis, X-ray diffraction and scanning electron microscopy. The results indicated that film thickness and composition can be varied. Obtained results pave the way for the fabrication of PAA and composite films for biomedical, electrochemical and other applications. (C) 2011 Elsevier Inc. All rights reserved.
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