e-journal
Fabrication of polyoxometalate-based nano/micrometer composite films by electrophoretic deposition method
Abstract.
Keggin-type heteropolyanion H3PMo12O40 encapsulated by a cationic surfactant dioctadecyldimethylammonium
chloride (DODA·Cl) 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.
Keywords:
Electrophoresis deposition
Polyoxometalates
Surfacta
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