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Gold nanoparticles in polyelectrolyte multilayers film can be easily prepared by repeating immersion of a substrate in poly(diallyl dimethylammonium) chloride (PDDA)-AuCl 4− complexes solution followed by reduction Au 3+ through heating. UV–vis spectroscopy, cyclic voltammetry (CV) and tapping-mode atomic force microscopy (AFM) are used to confirm the successful construction of...
Polyaniline (PANI) was cathodically synthesized at an evaporated gold electrode using an in situ electrogenerated intermediate as oxidant during reduction of the dissolved oxygen. The obtained PANI layer showed an electrochemical response similar to that synthesized by the conventionally anodic polymerization, and the average rate for the growth of PANI layer at polycrystalline gold electrode was...
Non-stoichiometric mixed-valent molybdenum(VI,V) oxide film was grown on carbon substrates by the electrodeposition method. Responses of the prepared molybdenum oxide thin films to potential and to different solution acidities were studied by cyclic voltammetry, and the corresponding morphological changes of the film were monitored by atomic force microscopy (AFM). AFM images of the molybdenum oxide...
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