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Published on: February 27, 2013
Fabrication of polyoxometalate-based nano/micrometer composite films by electrophoretic deposition method
Yanyan Wang1, Lin Xu, Ning Jiang
1Key Laboratory of Polyoxometalate Science of Ministry of Education Institute of Polyoxometalate, Chemistry Department of Chemistry Northeast Normal University, Changchun, Jilin 130024, PR China.
Abstract:
Keggin-type heteropolyanion H(3)PMo(12)O(40) encapsulated by a cationic surfactant dioctadecyldimethylammonium chloride (DODACl) has been assembled on ITO substrates using an electrophoretic approach. The films were characterized by atomic force microscopy (AFM), scanning electron microscopy (SEM), IR spectra, X-ray photoelectron spectra (XPS) and cyclic voltammetry. The AFM images exhibit a spherical assembly of surfactant-encapsulated complex (SEC) nanoparticles with uniform size. The SEM was also used to investigate the surface topography. It is the first report that the thin films of SEC are fabricated using this method, which provides a new route to explore the possibility of application to polyoxometalate-based hybrid inorganic-organic materials.
