Electrodeposition of Zinc Hydroxysulfate Nanosheets and Reduction to Zinc Metal Microdendrites on Polypyrrole Films
Abstract:Nanothin sheets made of zinc sulfate hydroxide hydrate, ZnSO4[Zn(OH)2]3·5H2O, are easily and quickly prepared using an innovative electrochemical route onto polypyrrole-polystyrene sulfonate (PPy-PSS) films. The sheets are characterized using a range of experimental techniques. The deposits are formed on the film surface with instantaneous nucleation to grow into a network of entangled nanosheets. The effect of the experimental conditions on the deposition is reported. Interestingly, the formation of the nanosheets is observed on PPy-PSS films only, and not on films doped with other sulfate/sulfonate dopants. The zinc nanosheets can be easily electrochemically reduced to metallic zinc microdentrites.
Document Type: Research Article
Publication date: 2012-01-01
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