Electrochemical preparation of hybrid film using inorganic nanosheets and the related electrochemical properties

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概要

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• An electrodeposition was developed to prepare a hybrid film with a nano structure. An anionic nanosheet colloid solution can be prepared by the addition of quaternary ammonium with the nanosheets being electrodeposited on the anode. The redoxable electrodeposited films were grown from solutions of the manganese oxide nanosheet. On substituting from the manganese to nickel or copper with several atom% within the manganese oxide nanosheet, electric conductivity increased and the resultant electrochemical capacitance improved. Other redoxable films in which ordered phosphate nanosheets interleaved polyaniline with monolayers were grown from solutions. These included a metal phosphate nanosheet and aniline monomer. The electrochemical capacitance of this hybrid films was approx. 180–200 F/g. Using an organo-grafted zirconium phosphate nanosheet, the graft worked as pillars to form nanovoids near to the polyaniline within the hybrid film. The resultant capacitance increased by approx. 1.8 times due to the development of an ion diffusion path.

著者

• Takei Takahiro

  Center for Crystal Science and Technology, Interdisciplinary Graduate School of Medicine and Enginee

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